Type

HCM0901B

HCM0903B

HCM0905B

 Rated Voltage        (V)

  1.5

 3

5

 Operating  Voltage  (V)

  1~2

  2~4

4~6

Rated Current     (MA)

  < 80

  < 70

< 70

 Coil  Resistance   (ohm)

  5.5 ± 1.0

 16 ± 3

  45 ± 4

Sound Output at 10cm (dB)

  > 85

  > 85

> 85

 Resonant Frequency  (Hz)  

2731

2731

2731

 Operating Temperature  (C) 

  -20~+70

  -20~+70

-20~+70

 Storage  Temperature  (C)

  -30~+85

    -30~+85

-30~+85

 Weight                (g)

  1.0

  1.0

1.0