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
wave 10vp-p, 10cm
1.7
capacitance
15000pf±30%
at 1khz
1.8
operating temperature
-20℃～+70℃
1.9
store temperature
-30℃～+85℃