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SMD ELECTRO-MAGNETIC TRANSDUCER
1 |
Model No. |
ET8527S |
2 |
Rated Voltage (V) |
3.6 |
3 |
Operating Voltage (V) |
2.5~4.5 |
4 |
Coil Resistance (Ω) |
16±3 |
5 |
Resonant Frequency (Hz) |
2730 |
6 |
*Sound Pressure Level (dB/min) |
87 at10cm at Rated Voltage |
7 |
*Current Consumption (mA/max) |
100 at Rated Voltage |
8 |
Operating Temperature (℃) |
-20~+70 |
9 |
Storage Temperature (℃) |
-30~+80 |
10 |
Weight (g) |
0.5 |
11 |
Case material and colour |
LCP / Black |
*Applying rated voltage (Resonant frequency, 1/2 duty, Square wave)
DIENSIONS (UNIT: mm)
RELIABLY TEST:
NO. |
ITEM |
TESTING CONDITION |
VARIANCE AFTER TEST |
1 |
High temp. storage life |
The part shall be capable of withstanding a storage temperature is +80℃ for 120 hours |
After the test the part shall meet specifications without any degradation in appearance and performance except SPL shall be initial value±10dB or more. |
2 |
Low temp. storage life |
The part shall be capable of withstanding a storage temperature is -30℃ for 120 hours |
|
3 |
Temp. Cycle |
Total 5 cycles, 1 cycle consisting of -30±2℃, 30 minutes 20±5℃ 15 minutes 80±2℃, 30 minutes 20±5℃ 15 minutes |
|
4 |
Humidity Test |
30±2℃,90~95% RH, 120 hours |
|
5 |
Vibration Test |
The part shall be subjected to a vibration cycle is 10Hz in a period of 1 minute. Total peak amplitude shall be 1.52mm(9.3g). The vibration test shall consist of 2 hours per plane in each three mutually perpendicular planes for a total time of 6 hours. |
|
6 |
Shock |
Sounder shall be measured after being applied shock (980m/s²) for each three mutually perpendicular directions to each of 3 times by half sine wave. |
|
7 |
Drop Test |
Dropped naturally from 700mm height onto the surface of 10mm thick wooden board. 2 directions-upper and side of the part are to be applied. |
|
8 |
Lead pull |
The part shall be pushed with a force of 9.8N for 10±1 seconds behind the part.
|
After the test part shall meet specifications without any degradation in appearance and performance. |
9 |
Recommended temp. Profile for Reflow Oven |
Shown in Fig.1 |
|
Warranty:For a period of one year from date of manufcture under normal operations. | |||
Recommended Temp. Profile for Reflow Oven (Fig.1)
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