Rated Impedance

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

Rated Power

1.5 W

Max. Power

3 W

Resonant Frequency

380+/-20% Hz

Frequency Range

fo ~ 5,000 Hz

Sound Pressure Level

104+/-3 dB (Average of SPL values at 800 1,000 1,200 & 1,500 Hz.) at 2.83Vrms at 0.1 meter

109+/-3 dB (Average of SPL values at 800 1,000 1,200 & 1,500 Hz.) at 4.90Vrms at 0.1 meter

THD, 2^nd, 3^rd harmonic

See graphs below – measurements will be performed with 1/6^th octave smoothing at 10cm

Rub+Buzz

See graphs below – measurements will be performed at 10cm

Operating Temperature

-20 ^oC to +60 ^oC

Storage Temperature

-30 ^oC to +70 ^oC

Termination

Description

2 soldering lugs, Sn plated Brass

Construction Materials

Frame

Plastic, Noryl PX9406

Diaphragm

Black Mylar

Coil

Enameled wire + paper tube(bobbin) + tinsel lead wire with fiber core

Solder

ALPHA TELECORE PLUS WRC TB SM416 SAC 305 Solder wire

Weight (Typical)

46.5 g

Reliability

*Buzzes & Rattles

Must be normal at 4.90V(=3.0W) sine wave

*Load Test

1.5W white noise for 96hrs

*High Temperature

no function at +70 +/-2 ^oC for 96 hours, function at +60+/-2 ^oC for 16 hours,

*Low Temperature

no function at -30+/-2 ^oC for 96 hours, function at -20+/-2 ^oC for 16 hours,

*Humidity

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

*Thermal Cycle

-20+/-2 ^oC, 30min®+20 ^oC,15min,®+60+/-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)