8x15x1.5 HAC Receiver Order No.2403-263-00092 ©2011 Knowles Electronics Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 Change History Status Version Date ECR Comment / Changes Initials of owner Draft A1.0 09.30.10 Draft specification for first samples Paul. Song Draft A1.1 10.20.10 Paul. Song Draft A1.2 11.05.10 Draft A1.3 11.23.10 Draft A1.3.1 01.21.11 Release A 1.4 03.11.11 Release A 1.4.1 03.22.11 Release A 1.5 04.07.11 Release A 1.5.1 04.29.11 Updated Chapter 2.1. Updated the mechanical drawing of receiver[1.1]. Updated the part marking/labelling[1.3]. Updated the mass, material of basket and cover [1.4]. Updated the test results on baffle[2.1]. Updated the test results on BK 3.2 high leak[2.2]. Updated the mechanical drawing of baffle adapter[2.6]. Updated Environmental Tests[4]. Added Recommend PAD areas[1.1]. Added the limit for spring force[1.2]. Updated the part marking/labelling[1.3]. Added forces on component[1.4]. Updated the material of cover [1.5]. Changed the limit of Baffle test[2.1]. Added Maximum diaphragm excursion above the top of the surface[2.3]. Added Linear Displacement Volume[2.3]. Added Maximum Displacement Volume[2.3]. Removed Maximum usable excursion Xmax[2.3]. Added measure setup[2.8.1]. Updated Environmental Tests[4]. Removed Linear Displacement Volume[2.3]. Removed Maximum Displacement Volume[2.3]. Add weighting detail[2.4.1]. Updated the test results on baffle[2.1]. Updated the test results on BK 3.2 high leak[2.2]. Updated the characteristic field strength sensitivity and frequency response[2.5]. Updated test sweep range, steps and add microphone details[2.8]. Updated the schematic diagrammeasurement setup for Hearing Aid[2.9]. Updated the Packing Information[2.10]. Updated the Main Dimensions [1.1]. Updated the material of basket [1.5]. Updated the material of POT/ TOPPLATE[1.5]. Add tolerance to Nominal characteristic sensitivity[2.3] Knowles. 2011 All rights reserved. Paul. Song Paul. Song Paul. Song Paul. Song Paul. Song Paul. Song Paul. Song page 2 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 Contents 1. Mechanical Characteristics ................................................................................................. 4 1.1. Main Dimensions ......................................................................................................... 4 1.2. Spring Force ................................................................................................................ 5 1.3. Part Marking/Labeling .................................................................................................. 5 1.4. Forces on Component ................................................................................................. 6 1.5. Material List ................................................................................................................. 6 2. Electro-Acoustic Characteristics ......................................................................................... 7 2.1. Frequency response .................................................................................................... 7 2.2. Frequency response .................................................................................................... 8 2.3. Electro-Acoustic Parameters ....................................................................................... 9 2.4. Power Handling ........................................................................................................... 9 2.5. Magnetic field for Hearing Aid characteristics ............................................................ 10 2.6. Measurement setup on baffle .................................................................................... 11 2.7. Measurement setup on BK 3.2 high leak ................................................................... 13 2.8. Measured Parameters ............................................................................................... 15 2.9. Measurement setup for Hearing Aid .......................................................................... 15 2.10. Packing information................................................................................................ 16 2.11. Technical Delivery Terms ....................................................................................... 16 3. Environmental Conditions ................................................................................................. 17 3.1. Storage ...................................................................................................................... 17 3.2. Transportation ........................................................................................................... 17 3.3. Functionality .............................................................................................................. 17 4. Environmental Tests ......................................................................................................... 18 4.1. Qualification Tests ..................................................................................................... 18 4.2. Requalification Tests ................................................................................................. 18 4.3. Sample Size, Sequence ............................................................................................ 18 4.4. Period of Shelf-Life .................................................................................................... 18 4.5. Testing Procedures.................................................................................................... 18 5. Related Documents .......................................................................................................... 25 Knowles. 2011 All rights reserved. page 3 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 1. Mechanical Characteristics 1.1. Main Dimensions _ + Positive voltage on pin ‘+’ moves membrane in direction of red arrow! Recommend PAD layout Knowles. 2011 All rights reserved. page 4 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 1.2. Spring Force 1 Force (N) 0.8 0.6 0.4 0.2 0 0 0.2 0.4 0.6 0.8 Height (mm) 1.3. Part Marking/Labeling (Numbers are generic example) Knowles. 2011 All rights reserved. page 5 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 1.4. Forces on Component State From Back To Front(cover) Membrane Maximum Permanent Force[N] Maximum Handling Force[N] 10 0 15 0 5 10 From Side to Side 1.5. Material List 1. MATERIAL of BASKET: PC 2. MATERIAL of MEMBRANE: POLYARYLATE - COMPOUND 3. MATERIAL of POT/ TOPPLATE: SOFT MAGNETIC IRON, Ni Plating 4. MATERIAL of MAGNET: Nd Fe B 5. MATERIAL of SPRING CONTACT: STAINLESS STEEL 6. PLATING of SPRING CONTACT: 2.5-3.5 m Ni, 0.5-0.7 m Au (CONTACT POINT) 7. MATERIAL of COVER: Brass CuZn, Ni Plating 8. DIMENSION: 8x15x1.5mm 9. MASS: 0.554 g 10.CONNECTIONS: SPRING CONTACT 11. DIRECTION of CONNECTOR: VERTICAL TO PCB (ORIENTATED) Knowles. 2011 All rights reserved. page 6 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 2. Electro-Acoustic Characteristics 2.1. Frequency response TYPICAL FREQUENCY RESPONSE measured on baffle according to chapter 2.6 (D=1cm; P=10mW @32) 20 Relative Level (dB re 1KHz) 15 10 5 0 -5 -10 -15 -20 100 1000 Frequency[Hz] up limit Typical SPL Curve low limit 10000 Tolerance window f [Hz] lower limit [dB re1KHz] f [Hz] upper limit [dB re1KHz] 160 350 450 999 1000 1001 2000 4000 6500 7000 10000 -14 -3 -3 -3 0 -3 -3 -1 4 -16 -16 160 270 450 999 1000 1001 2000 4000 6500 0 4 4 3 0 3 3 6 14 10000 14 Knowles. 2011 All rights reserved. page 7 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 2.2. Frequency response TYPICAL FREQUENCY RESPONSE 20 120 10 100 0 80 -10 60 -20 40 -30 20 -40 0 100 SPL Up limit 1000 Frequency (Hz) SPL Low limit Typical THD Curve THD limit THD (%) Relative Level (dB re 1 KHz) measured on BK 3.2 high leak according to chapter 2.7 (P=10mW @32, ERP) 10000 Typical SPL Curve Tolerance window f [Hz] 200 250 350 999 1000 1001 1250 1500 1600 1700 2000 2500 3000 4000 Knowles. 2011 All rights reserved. lower limit [dB re1KHz] -12 -7.3 -2.5 -2.5 0 -2.5 -0.5 4.5 5.5 3.5 -4.5 -11.5 -14 -14 upper limit [dB re1KHz] -2 2.5 2.5 2.5 0 2.5 5.5 12.5 13 12.5 6.5 -2.5 -7 -7 f [Hz] 200 300 500 600 700 800 1000 1250 6000 upper limit [%] 70 45 14 8 8 10 4 3 3 page 8 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 2.3. Electro-Acoustic Parameters Receiver mounted in baffle acc. to chapter 2.6 and 3.2 high leak ear acc. to chapter 2.7 1. Rated impedance Z: 32 2. Voice coil resistance R: 28.8±2.88 3. Resonance frequency f0: 4. Maximum diaphragm excursion above the top of the surface: 5. Nominal characteristic sensitivity(@3.2 high leak; 1KHz, 10mW) 6. Nominal characteristic sensitivity (@baffle, 10mW, 1cm; average from 1KHz to 3KHz) 7. THD 300Hz±45Hz 0.2mm 25.5±2.5 dBPa/V 89 dBPa re 20uPa according to chapter 2.2 2.4. Power Handling Receiver mounted in lifetime test device (open rear/open front). 1. RATED NOISE POWER (500h, pink noise with the weighting, crest factor is 12dB) Type High Pass High Pass Low Pass Order 1 10 10 10mW (RMS) F0[Hz] 250 100 3500 2. OVERLOAD POWER (50h, sinusoidal, 200Hz~6 KHz, allow increase R&B) 30mW (RMS) 3. RATED SINUSOIDAL POWER (50h, sinusoidal, 200Hz~6 KHz, no damage) 10mW (RMS) Knowles. 2011 All rights reserved. page 9 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 2.5. Magnetic field for Hearing Aid characteristics RECEIVER MOUNTED IN MEASUREMENT SETUP ACC. TO Chapter 2.9 1. CHARACT. FIELD STRENGTH SENSITIVITY at 566mV (10mW)1kHz, measurement plane15mm Axial : 12.13 dB A/m per V Radial (Average of 4 Position): 4.50 dB A/m per V 2. FREQUENCY RESPONSE (AXIAL relative to value at 1kHz) Magnet field strength frequency response Level [dB re 1KHz] 4 2 0 -2 Typical Curve -4 Low limit -6 Up limit -8 100 1000 10000 Frequency [Hz] Knowles. 2011 All rights reserved. page 10 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 2.6. Measurement setup on baffle 2.6.1. Measured setup D=1.0cm. Knowles. 2011 All rights reserved. page 11 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 2.6.2. Measured adapter Knowles. 2011 All rights reserved. page 12 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 2.7. Measurement setup on BK 3.2 high leak 2.7.1. Measured setup Knowles. 2011 All rights reserved. page 13 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 2.7.2. Measured adapter Knowles. 2011 All rights reserved. page 14 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 2.8. Measured Parameters 1.Measure Setup For the test on baffle, the test signal is cosine log sweep signal, from 10KHz to 100 Hz, 160 steps, used BK 4939 1/4” free field microphone, sn is 2624669. For the test on BK3.2 high leak, the test signal is cosine log sweep signal, from 10KHz to 100 Hz, 160 steps, used BK 4195 Ear Simulator, sn is 2538591. 2. Sensitivity Sensitivity is expressed in dB rel 1V/1Pa measured at input voltage of 0.566V using the measurement setup according chapter 2.7. 3. Frequency response Frequency response on baffle is measured according to the test setup in chapter 2.6 at input voltage of 0.566V and checked against the tolerance window defined in chapter 2.1. Frequency response on BK3.2 high leak is measured according to the test setup in chapter 2.7 at input voltage of 0.566V and checked against the tolerance window defined in chapter 2.2. 4. Total harmonic distortion (THD) Is measured according to IEC 268-5 (2nd to 5th harmonics) and the test setup in chapter 2.7 at input voltage of 0.566V and checked against the tolerance window defined in chapter 2.2. 2.9. Measurement setup for Hearing Aid Tests are conducted at Z (Axial) direction, Y and X (Radial) directions Measurement Positions acc. to ANSI C63.19[4] Knowles. 2011 All rights reserved. page 15 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 *Receiver must be mounted on a plastic surface，magnetic ambient levels be low as to not significantly affect the measurement, magnetic shielded chamber would be better. 2.10. Packing information See document: Packaging Instruction for 8x15x1.5 HAC Receiver 2403-263-00092-299. 2.11. Technical Delivery Terms See Chapter 4. Knowles. 2011 All rights reserved. page 16 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 3. Environmental Conditions 3.1. Storage The transducer fulfils the specified data after treatment according to the conditions of ETS 300 019-2-1 Specification of environmental test: Storage Test spec. T 1.2: Weather protected, not temperature controlled storage locations. 3.2. Transportation The transducer fulfils the specified data after treatment according to the conditions of ETS 300 019-2-2 Specification of environmental test: Transportation Test Spec. T 2.3: Public Transportation 3.3. Functionality The transducer fulfils the specified data after treatment according to the conditions of ETS 300 019-2-5 ETS 300 019-2-7 Specification of environmental test: Ground vehicle installations Test spec. T 5.1: Protected installation Specification of environmental test: Portable and non-stationary use Test spec. T 7.3E: Partly weather protected and non-weather protected locations. Knowles. 2011 All rights reserved. page 17 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 4. Environmental Tests 4.1. Qualification Tests According to our milestone plan (Product Creation Process), a complete qualification test will be done at design validation on products, manufactured under serial conditions and 1x per year and product family. The qualification process covers all tests described under 4.5 and a complete inspection takes place. 4.2. Requalification Tests 1x per month and product family samples are taken and submitted to tests described under 4.5.2 4.3. Sample Size, Sequence Unless otherwise stated 20 arbitrary new samples will be used to perform each test for both, qualification and requalification test as described under 4.1 and 4.2. 4.4. Period of Shelf-Life The period of shelf-life is 5 years. 4.5. Testing Procedures 4.5.1. Storage Tests Low Temperature Storage Test Parameter Low Temperature Storage (Ref. Test Method and Conditions -40°C rel. humidity not controlled BSI BS EN-60068-21) Knowles. 2011 All rights reserved. Duration Evaluation Standard 168h Measurements of acoustic parameters shall be still within specification. Allowed deviations: Sensitivity is allowed to be within +/-3dB from initial value; The distortion shall not increase by more than a factor of 1.4 of the initial value measured at a single frequency bin. page 18 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 E.g.: distortion at frequency bin 400Hz which is initially 10% is allowed to be 14% after the test. High Temperature Storage Test Parameter Dry Heat Storage (Ref. BSI BS EN60068-2-2 ) Test Method and Conditions +85°C rel. humidity not controlled Duration Evaluation Standard 168h Measurements of acoustic parameters shall be still within specification. Allowed deviations: Sensitivity is allowed to be within +/-3dB from initial value; The distortion shall not increase by more than a factor of 1.4 of the initial value measured at a single frequency bin. E.g.: distortion at frequency bin 400Hz which is initially 10% is allowed to be 14% after the test. Duration Evaluation Standard 20 cycles Measurements of acoustic parameters shall be still within specification. Allowed deviations: Sensitivity is allowed to be within +/-3dB from initial value; The distortion shall not increase by more than a factor of 1.4 of the initial value measured at a single frequency bin. E.g.: distortion at frequency bin 400Hz which is initially 10% is allowed to be 14% after the test. Thermal shock Sequence Parameter Change of Temperature (Ref. IEC 600682-14) Test Method and Conditions -40°C for 30min and then move to +85°C for 30min; Transition time < 3 min; 20 cycles (40 shocks); Knowles. 2011 All rights reserved. page 19 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 Humidity Stress Test Parameter Damp heat, cyclic (Ref. IRef. IEC 600682-3) Test Method and Conditions Duration 85°C and 95% RH; 168hrs Evaluation Standard Measurements of acoustic parameters shall be still within specification. Allowed deviations: Sensitivity is allowed to be within +/-3dB from initial value; The distortion shall not increase by more than a factor of 1.4 of the initial value measured at a single frequency bin. E.g.: distortion at frequency bin 400Hz which is initially 10% is allowed to be 14% after the test. 4.5.2. Operating Tests Cold Operation Test Parameter Cold Operation Test (Ref. Test Method and Conditions -20°C rel. humidity not controlled BSI BS EN-60068-22, Signal used to be agreed upon with RIM ) Knowles. 2011 All rights reserved. Duration Evaluation Standard 72h Measurements of acoustic parameters shall be still within specification. Allowed deviations: Sensitivity is allowed to be within +/-3dB from initial value; The distortion shall not increase by more than a factor of 1.4 of the initial value measured at a single frequency bin. E.g.: distortion at frequency bin 400Hz which is initially 10% is allowed to be 14% after the test. page 20 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 Dry Heat Operation Test Test Method and Conditions +70°C rel. humidity not controlled Parameter Dry Heat Operation (Ref. Duration Evaluation Standard 500h Measurements of acoustic parameters shall be still within specification. Allowed deviations: Sensitivity is allowed to be within +/-3dB from initial value; The distortion shall not increase by more than a factor of 1.4 of the initial value measured at a single frequency bin. E.g.: distortion at frequency bin 400Hz which is initially 10% is allowed to be 14% after the test. Duration Evaluation Standard 3 cycles Measurements of acoustic parameters shall be still within specification. Allowed deviations: Sensitivity is allowed to be within +/-3dB from initial value; The distortion shall not increase by more than a factor of 1.4 of the initial value measured at a single frequency bin. E.g.: distortion at frequency bin 400Hz which is initially 10% is allowed to be 14% after the test. BSI BS EN-60068-21 Signal used to be agreed upon with RIM ) 4.5.3. Salt Mist Test Parameter Salt Mist (Ref. IEC 600682-52) Test Method and Conditions The part must be subjected to 2 hours spray of 5% NaCl salt mist, at 35°C then be left at 40°C and 95% RH for 22 hrs. 4.5.4. Shock Resistance Test (Free Fall Test) - protected product Parameter Mechanical shock (Ref. IEC 60068- Test Method and Conditions Drop in test box or test adapter; Dropped onto Knowles. 2011 All rights reserved. Duration 40 drops Evaluation Standard Measurements of acoustic parameters shall be still page 21 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 2-32) within specification. Allowed deviations: Sensitivity is allowed to be within +/-3dB from initial value; The distortion shall not increase by more than a factor of 1.4 of the initial value measured at a single frequency bin. E.g.: distortion at frequency bin 400Hz which is initially 10% is allowed to be 14% after the test there shall be no loose particles dissipated from the components during the test concrete from 1.5m height; Two drops on each side (2x6); One drop on each edge (1x12); Two drops on each corner (2x8); In total of 40 drops 4.5.5. Impact Durability Test (Tumble Test) – protected product Test Method and Conditions Parameter Impact durability (in a Tumble Tester) (Ref. IEC60068-232Ed) Impact durability (in a Tumble Tester) DUT in drop Test adapter/Jig 170grams; Jig size: 120mm*60mm*18mm; 100drops, 1m Random drops on steel base. Duration Evaluation Standard 100 drops, 1m DUT power off Measurements of acoustic parameters shall be still within specification. Allowed deviations: Sensitivity is allowed to be within +/-3dB from initial value; The distortion shall not increase by more than a factor of 1.4 of the initial value measured at a single frequency bin. E.g.: distortion at frequency bin 400Hz which is initially 10% is allowed to be 14% after the test there shall be no loose particles dissipated from the components during the test Duration Evaluation Standard 4.5.6. G-Force Test Parameter G-Force Test Test Method and Conditions Test adapter Knowles. 2011 All rights reserved. / Measurements of acoustic page 22 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 parameters shall be still within specification. Allowed deviations: Sensitivity is allowed to be within +/-3dB from initial value; The distortion shall not increase by more than a factor of 1.4 of the initial value measured at a single frequency bin. E.g.: distortion at frequency bin 400Hz which is initially 10% is allowed to be 14% after the test There shall be no loose particles dissipated from the components during the test 170grams; Jig size: 120mm*60mm*18mm; 5000g, 0.2msec; 4.5.7. Resistance to Electrostatic Discharge Parameter Resistance to ESD IEC61000-4-2 Level 4 (SPR c 2.5.1) Test Method and Duration Conditions One pole is grounded 10 exposures and.the ESD pulse is on applied to the other each polarity pole. The speaker /5 must be stressed first units with one polarisation DUT Power and then with the off other polarisation.DUT must be discharged between each ESD exposure. Level 4: contact +/- 8kV, air +/- 15kV Evaluation Standard Measurements of acoustic parameters shall be still within specification. Allowed deviations: Sensitivity is allowed to be within +/-3dB from initial value; The distortion shall not increase by more than a factor of 1.4 of the initial value measured at a single frequency bin. E.g.: distortion at frequency bin 400Hz which is initially 10% is allowed to be 14% after the test. 4.5.8. Sine Vibration Test Parameter Sine Vibration Test (Ref. IEC 600682-6) Test Method and Conditions 10–150 Hz, 50 m/sec2 acceleration; 90 minute in each axis; 270 minutes (3 axes) Knowles. 2011 All rights reserved. Duration 270minutes Evaluation Standard Measurements of acoustic parameters shall be still within specification. Allowed deviations: page 23 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 Sensitivity is allowed to be within +/-3dB from initial value; The distortion shall not increase by more than a factor of 1.4 of the initial value measured at a single frequency bin. E.g.: distortion at frequency bin 400Hz which is initially 10% is allowed to be 14% after the test. There shall be no loose particles dissipated from the components during the test in total; 4.5.9. Random Vibration Test Test Method and Conditions Random Vibration 5 – 500 Hz, 0.01g2/Hz; Test 100 minutes at each Ref. IEC 60068-2- axis, total 300 minutes 64 (3 axes) Parameter 4.5.10. Duration Evaluation Standard 300minutes Measurements of acoustic parameters shall be still within specification. Allowed deviations: Sensitivity is allowed to be within +/-3dB from initial value; The distortion shall not increase by more than a factor of 1.4 of the initial value measured at a single frequency bin. E.g.: distortion at frequency bin 400Hz which is initially 10% is allowed to be 14% after the test. There shall be no loose particles dissipated from the components during the test. Duration Evaluation Standard Mechanical Shock Test Method and Conditions Mechanical Shock Peak acceleration Test 30G, 18 ms duration, Ref. IEC 60068-2- 3.4m/s (half-sine); 27 Six successive shocks shall be applied in each Parameter Knowles. 2011 All rights reserved. 18 shocks Measurements of acoustic parameters shall be still within specification. Allowed deviations: Sensitivity is allowed to be within +/-3dB from initial value; page 24 of 25 Knowles Electronics Specification: 8x15x1.5 HAC Receiver Order No. 2403 263 00092 Revision: A1.5.1 / 04.29.11 direction of three mutually perpendicular axes; In total of 18 shocks The distortion shall not increase by more than a factor of 1.4 of the initial value measured at a single frequency bin. E.g.: distortion at frequency bin 400Hz which is initially 10% is allowed to be 14% after the test there shall be no loose particles dissipated from the components during the test. 5. Related Documents EN-60068-2 IPC-SM-785 IEC68-2-14 IEC68-2-3,1984 IEC60068-2-52 IEC60068-2-32 IEC61000-4-2 IEC68-2-27 Knowles. 2011 All rights reserved. Environmental testing Guidelines for Accelerated Reliability Testing of Surface Mount Solder Attachment Tempreture Change Testing Guidline Humidity and Tempreture Test guidline Low air pressure environmentaltesting procedure Free fall Test Procedure ESD Test Guidline Mechanical Shock Test Guidline page 25 of 25