MODEL: WT-1201

PRODUCT: Electromagnetic Buzzer

EDITION: A/2016

THIS SPECIFICATION APPLIES TO THE ELECTROMAGNETIC BUZZER

SPECIFICATION

item

unit

specification

condition

oscillation frequency

Hz

2400

Vo-p=1/2 duty, square wave

operating voltage

Vo-p

1 ~ 2

rated voltage

Vo-p

1.5

current consumption

mA

35

At rated voltage

sound pressure pevel

dB

85

At 10cm at rated voltage

coil resistance

Ω

16 ± 4

operating temperature

oC

-30 ~ +70

storage temperature

oC

-20 ~ +85

dimension

mm

φ12.0×H9.5

See appearance drawing.

weight (max)

gram

2.0

housing material

PBT

leading pin

Pin type (Tin plated brass)

See appearance drawing

environmental protection

regulation

RoHS

RELIABILITY TEST

item

test condition and requirement

high temperature

test (storage)

After being placed in a chamber with 80±2ºC for 96 hours and then being

placed in normal condition for 2 hours.

Allowable variation of SPL after test: ±10dB.

low temperature

test (storage)

After being placed in a chamber with -30±2ºC for 96 hours and then being

placed in normal condition for 2 hours.

Allowable variation of SPL after test: ±10dB.

humidity test

After being Placed in a chamber with 90-95% R.H. at 40±2ºC for 96 hours and

then being placed in normal condition for 2 hours.

Allowable variation of SPL after test: ±10dB.

temperature cycle test

The part will be subjected to 5 cycles. One cycle shall be consist of:

PAGE 1/5

Allowable variation of SPL after test: ±10dB.

-20ºC

-25ºC

-70ºC

-25ºC