Rated Impedance

8+/-15% ohm (Other Rated Impedance is available.)

Rated Power

0.2W

Max. Power

0.3W

Resonant Frequency

650+/-20% Hz

Frequency Range

fo ~ 4,000 Hz

Sound Pressure Level

90+/-3 dB 0.2W0.1m (Average of SPL values at 800, 1000, 1200 & 1500 Hz.)

Operating Temperature

-40 ^oC to +70 ^oC

Storage Temperature

-40 ^oC to +70 ^oC

Termination

Description

PCB

Construction Materials

Case

Metal Zn plated

Diaphragm

Black Mylar

Weight (Typical)

4.2g

Reliability

*Buzzes & Rattles

Must be normal at 1.26V(=0.2W) sine wave

*Load Test

0.2W 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 -40+/-2 ^oC for 16 hours,

*Humidity

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

*Thermal Shock

-40+/-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

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).