Rated Impedance

50+/-15% ohm (Other Rated Impedance is available.)

Rated Power

0.5 W

Max. Power

1 W

Resonant Frequency

340+/-20% Hz

Frequency Range

fo ~ 4500 Hz

Sound Pressure Level

85+/-3 dB 1W1m(Average of SPL values at 800, 1000, 1200 & 1500 Hz.)

Operating Temperature

-30 ^oC to +70 ^oC

Storage Temperature

-40 ^oC to +70 ^oC

Termination

Description

Construction Materials

Case

Plastic, ABS 757

Diaphragm

Black Mylar

Weight (Typical)

15 g

Reliability

*Buzzes&Rattles

Must be normal at 5V(=0.5W) sine wave

*Load Test

1W white noise for 96hrs

*High Temperature

no function at +70 +/-2 ^oC for 96 hours, function at +70+/-2 ^oC for 16 hours,

*Low Temperature

no function at -40+/-2 ^oC for 96 hours, function at -30+/-2 ^oC for 16 hours,

*Humidity

+40+/-2C^o, 90 ~ 95% R.H. for 48hrs

*Thermal Shock

-30+/-2 ^oC, 30min®+20 ^oC,15min,®+70+/-2 ^oC, 30min®+20 ^oC,15min, 5 cycles

*Vibration

1.5mm with 10 to 50Hz of vibration frequency to each of 3 perpendicular direction for 2 hrs

*Soldering Heat Resistance

Pins are immersed up to 1.5mm from sounder’s body in solder bath of 350+/-5 ^oC for 3+/0.5 seconds or 260+/-5 ^oC for 10+/-1 seconds

**Solderability

Lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of 350+/-5 ^oC for 3+/-0.5 seconds.

Warranty

For a period of one (1) year from date of manufacture under normal operations

* All specifications must be satisfied after the test (Recovery:2 to 4 hrs of recovery under the standard condition after the removal from test chamber).

**90% min. soldering pads shall be with solder.(except the edge of pad)