SPECIFICATION FOR APPROVAL Customer： Description： Magnetic Transducer Sob erton Part No. ： GT-11P Date：2009-12-29 Customer Model No. ： Date of Approval Authorization Signature 211 N. First Street Minneapolis, MN. 55401 612-849-6205 info@sob erton.com Approved Checked Design Ryan Wang Wei Rong Xu Hong Wei 2009/12/29 2009/12/29 2009/12/29 A:SCOPE This specification applies magnetic transducer, GT-11P 2/6 B:SPECIFICATION ■ Test condition: TEMP=+25±2 ℃ Related humidity=65±5% Air pressure:860-1060mbar NO. Item Unit Specification Condition Rated Voltage Vo-p 1 Vo-p 1.5 2 3 4 5 6 7 8 9 10 11 12 13 14 Operating Voltage Mean Current Coil Resistance Sound Output Rated Frequency Operating Temp Storage Temp Dimension Weight Vo-p mA Max. 35 Ω 16 ± 4.5 dBA 85 at 10cm Hz 2048 ℃ -20 ~ +60 ℃ -30 ~ +70 mm Φ 12.0 × H 8.5 gram 1.6 Material 0V Applying rated voltage & rated frequency, square wave 1/2 duty Distance at 10cm(A-weight free air), Applying rated voltage & rated frequency, square wave,1/2duty See attached drawing. Magnetic transducer without wire. PPO Terminal Pin type Environmental Protection Regulation Storage life 1.0 - 3.0 See attached drawing RoHS Compliant month 3 3 months preservation at room temp(25±3℃), Humidity40% 3/6 C:ENVIRONMENT TEST No. 1 2 Item Test condition Evaluation standard High temp. test After being placed in a chamber at +70℃ for 96 hours. Low temp. test After being placed in a chamber at -30℃ for 96 hours. The part shall be subjected to 5 cycles. One cycle shall consist of; +70℃ 3 Thermal shock -30℃ 30min 30min 60min The part shall be subjected to 5 cycle and consist of; 4 +70℃ Temp. / Humidity Cycle After the test the part shall meet specifications without any degradation in appearance and performance except SPL. after 2 hours at +25℃, The SPL shall be in ± 10 dBA compared with initial one. a, b: 90~98%RH c: 80~98%RH +25℃ a b 3hrs 12±0.5hrs 3hrs c 24hrs D: RELIABILITY TEST No. Item Test condition □ Applying rated voltage, rated frequency, square wave , 1/2 duty cycle： 1 Operating life test Ordinary temperature The part shall be subjected to 96 hours at room temperature. Evaluation standard After the test the part shall meet specifications without any degradation in appearance and performance except SPL. after 2 hours at +25℃,The SPL shall be in ± 10 dBA compared with initial one. TEST CONDITION. Standard Test Condition : a)Temperature: +5~+35℃ b)Humidity:45~85% Judgment Test Condition :a)Temperature:+25±2℃ b)Humidity:60~70% c)Pressure: 860~1060mbar c)Pressure: 860~1060mbar E:MECHANICAL CHARACTERISTICS No Item Test condition Terminal Mechanical Apply the terminal with 9.8N(1kg) strength for 10±1 sec. 1 Strength 2 3 The part shall be subjected to a vibration cycle of 10Hz to 55Hz in a period of 1 minute. Total peak amplitude shall be 1.52mm(9.3G). The vibration test shall consist of 2 hours per axis in each three axes(X、Y、Z). Vibration The part only shall be dropped from a height of 75cm onto a 40mm think wooden board 1 times. Drop test 4/6 Evaluation standard No damage and cutting off After the test the part shall meet specifications without any damage in appearance and performance except SPL. The SPL shall be in ± 10 dBA compared with initial one. ( ) * Wave Soldering profile of lead-free Temp.(° C) Max. 10 sec. 250° C 245° C 235° C 200K/s--130°C ---5K/s 100°C ---forced cooling 50° C 0 0 50 100 150 200 250 300 Time(sec) Recommendable wave soldering condition is as follows. Note 1: It is requested that wave soldering should be executed after heat of product goes down to normal temperature. Note 2: Peak wave temperature of 235°C ~ 250°C maximum of 10 sec. . 5/6 F: MEASUREMENT METHOD +Vcc BZ Vo-p Magnetic Transducer 180 VCE OV G: INSPECTION FIXTURE Magnetic Transducer 40cm 10cm Sound Level Meter TES1350A 6/6