Rated Voltage

10 Vp-p square wave

Operating Voltage

1 ~ 30 Vp-p

Operating Frequency

Main Disc: 3,000+/-500Hz  Feedback Disc: 2,300+/-500Hz

Typical Sound Output

95dB min. at 10Vp-p 10cm 3.0KHz 25 ^oC

Rated Current

8mA max. at 10Vp-p 3.0KHz 25 ^oC

Capacitance

Main Disc: 70,000+/-30% pF at 100Hz 1Vrms ,Microphone Disc: 50,000+/-30% pF at 100Hz 1Vrms

Operating Temp.

-20 ^oC to +60 ^oC

Storage Temperature

-30 ^oC to +70 ^oC

Termination

Description

4 UL 1571 AWG 28# wires Red(+), Black(-) ,Yellow(+),Blue(-)+ TJC8-1 connector

Termination Strength

Maximum of 9.8N load pull test, applied to each terminal in axial direction for 10 seconds

Construction Materials

Case

Plastic, ABS 757 UL 94-HB

Diaphragm

Brass Disc

Weight (Typical)

11.1 g

Reliability

*Life Test

At 10 Vp-p in room temperature, continuously for 1000 hours

*High Temperature

No function at +70+/-2 ^oC for 240 hours; Function at +60+/-2 ^oC for 240 hours

*Low Temperature

No function at -30+/-2 ^oC for 240 hours; Function at -20+/-2 ^oC for 240 hours

*Humidity

+ 40+/-2 ^oC, 95+/-5%RH, 240 hours

*Thermal Shock

-20+/-2 ^oC 0.5 hr Ò +25+/-2 ^oC 0.25 hr Ò +60+/-2 ^oC 0.5 hr Ò +25+/-2 ^oC 0.25 hr. Temperature Go up or Drop time is 0.5 hr. 3 hrs per 1 cycle. Total is 5 cycles

*Vibration

1.5mm with 10 to 50Hz of vibration frequency to each of 3 perpendicular directions for 2 hours

*Shock

980m/s² (=100g) shock for each mutually perpendicular directions, half sine wave, 3 times each

*Drop Test

Dropped naturally from 750mm height onto the surface of 10mm wooden board. 2 directions – upper and side of the part are applied

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).