1.2

net weight

approx 2g

1.3

resonant frequency

4000±500 hz

as shown in fig(3)

1.4

operating voltage

1～30 vp-p

1.5

rated current

max.5ma

at 4.0khz 50% duty square

wave 10vp-p

1.6

sound output

min. 85db

at 4.0khz 50% duty square

wave 10vp-p, 10cm

1.7

capacitance

15000pf±30%

at 1khz

1.8

operating temperature

-20℃～+70℃

1.9

store temperature

-30℃～+85℃