Rated Voltage

20 Vp-p square wave

Operating Voltage

1 ~ 40 Vp-p

Operating Frequency

2,800+/-500Hz

Typical Sound Output

93dB min. at 20Vp-p 30cm 2.8KHz 25 ^oC

Rated Current

30mA max. at 20Vp-p 2.8KHz 25 ^oC

Capacitance

30,000+/-30% pF at 100Hz 1Vrms

Operating Temp.

-20 ^oC to +70 ^oC

Storage Temperature

-30 ^oC to +80 ^oC

Termination

Description

Two,0.25 (6.4mm) Quick Connect Blades,0.032φ（0.8φmm）Wide, Brass, Electro-Tin Plated With M3 0.25’’ (6.4mm) long Stainless Steel Screws.

Termination Strength

Maximum of 15 pounds (6.8 Kg) load pull test for 10 seconds

Construction Materials

Case

Plastic, PC

Diaphragm

Stainless Steel Disc 304

Weight (Typical)

42g

Reliability

*Life Test

At 20 Vp-p in room temperature, continuously for 1000 hours

*High Temperature

No function at +80+/-2 ^oC for 240 hours; Function at +70+/-62 ^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 +70+/-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

*Soldering Heat Resistance

Wires 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

Wires 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 wire)