SPECIFICATION FOR APPROVAL Customer： Description： Magnetic Transducer Sob erton Part No. ： WST-1310S-3 Date：2012-02-01 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 Cheng Song Qi 2012/02/01 2012/02/01 2012/02/01 A:SCOPE This specification applies magnetic buzzer, WST-1310S-3 B:SPECIFICATION ■Test condition: TEMP=+25±2 ℃ NO. 1 2 3 4 5 6 7 8 Item Rated Voltage Operating Volt Mean Current Sound Output Rated Frequency Operating Temp Storage Temp Dimension 9 Weight 10 Material 11 12 13 Terminal Unit Specification Vo-p 12 Vo-p Vo-p 8.0 ~16.0 0V mA Max.30 Peak 100 Air pressure:860-1060mbar Condition Applying rated voltage. Distance at 10cm(A-weight free air), Applying rated dBA 85/10cm Hz 2300±300Hz ℃ -20-+70 ℃ -30-+80 mm 12.8*12.8*10 gram 2.5 voltage. See attached drawing. PPS (Gray) Pin type Environmental Protection Regulation Storage life Related humidity=65±5% Tin plated See attached drawing RoHS 3 months preservation at room temp(25±3℃), month 3 Humidity40%. C:ENVIRONMENT TEST No. 1 2 Item Test condition Evaluation standard High temp. test After being placed in a chamber at +85℃ for 96 hours. Low temp. test After being placed in a chamber at -30℃ for 96 hours. The part shall be subjected to 10 cycles. One cycle shall consist of; +85℃ 3 Thermal shock -30℃ 30min 30min 60min The part shall be subjected to 10 cycle and consist of; 4 +85℃ Temp. / Humidity Cycle After the test the part shall meet specifications without any degradation in appearance and performance except SPL. after 4 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 1. 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 4 hours at +25℃,The SPL shall be in ± 10 dBA compared with initial one. 2. High temperature The part shall be subjected to 96 hours at +85℃ with 12V applied. 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 Lead terminal are immersed in rosin for 5 seconds and then immersed in Solder bath of +245±5℃ for 3±1 Solder ability 1 second 2 3 4 5 6 Evaluation standard 95% Min. lead terminals shall be wet with solder Soldering Heat Lead terminal are immersed in soldering bath of Resistance +260±5℃ for 5±0.5 Second. Hand Soldering Lead terminal are soldering of +350±5℃, 2.0±0.5 Heat Resistance Second. Terminal Mechanical Strength Vibration Drop test No interference in operation Apply the terminal with 9.8N(1kg) strength for 10±1 sec. 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). The part only shall be dropped from a height of 75cm onto a 40mm think wooden board 1 times. 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. . F: MEASUREMENT METHOD +Vcc + VDC - BZ Magnetic Transducer G: INSPECTION FIXTURE Magnetic Transducer 40cm 10cm Sound Level Meter TES1350A H: 1 Reel : 320PCS Carton Box (10 Inner Box) Inner Box (1Layer Reel) Inner Box 330mmx330mmx30mm 1x320PCS=320PCS Carton Box 350mmx350mmx370mm 10x320PCS=3,200PCS I：DRAWING 3.0±0.3 6.4±0.3 WST-1310S-3 (+) 0.5±0.2 Potting CHK. DR. UNIT SHEET SCALE mm 1/1 Land pattern APP. 4.0±0.3 Note: Recommended land pattern 3- ? 1 .5 (-) MODEL NO. 2.0±0.3 3.0±0.3 10.0±0.3 3.5 Tolerance: MATERIAL PPS DWG. NO. PART NO. Magnetic Transducer FINISH TITLE 12.8±0.3 ±0.3 12.8±0.3 9.8±0.3 Sound Emission Hole Masking Label 5 4 3 2 1 NO. DATE ECN. NO.