Small 1.5V SMD Electro Magnetic Transducer , 5.5 OHM Magnetic Buzzer

Small 1.5V SMD Electro-Magnetic Transducer , 5.5 OHM Magnetic Buzzer

Quick Detail:

Description:

Specification:

1. Technical Parameter

Measuring condition

Part shall be measured under a condition (Temperature: 5～35℃, Humidity: 45%～85%R.H., Atmospheric pressure: 860 ～1060hPa) unless the standard condition (Temperature: 25±3℃, Humidity: 60±10%R.H. Atmospheric pressure: 860 ～1060hPa) is regulated to measure.

*Unit: mm; Tolerance: ±0.3mm Except Specified

*Housing Material: Black LCP

*Terminal plate: 2 soldering pads, tin Plating Brass

3.Electrical And Acoustical Measuring Condition

Recommended Driving Circuit

Resonant frequency, 1/2 duty cycle. Square wave.

Signal amplitude should be large enough tosaturate

the transistor.

Recommended Setting

4.Frequency Response

Reliability Test

After any following tests the part shall meet specifications without any degradation in

appearance and performance except SPL. SPL shall not deviate more than -10 dB

from the initial value

(1)Ordinary Temperature Life Test

The part shall be subjected to 96 hours at 25±10℃. Input rated voltage

Test Resonant frequency, 1/2 duty Square wave.

(2)High Temperature

The part shall be capable of with standing a storage temperature of +85℃ for 96 hours.

(3)Low Temperature Test

    The part shall be capable of with standing a storage temperature of ­-40℃ for 96 hours.

(4)Humidity Test

Temperature:+40℃±3℃   Relative Humidity:90%～95% Duration: 48 hours

and expose to room temperature for 6 hours

(5)Temperature Shock Test

Temperature:60℃ /1hour→ 25℃/3hours→-20℃/1hour→ 25℃/3hours (1cycle)

Total cycle: 10 cycles

(6)Drop Test

Stand