Widely used in telephone times, calling devices, time pieces electronic toys, satety equipments, RFID. Specifications SFM-42-A-1 SFM-42-A-2 Rated Voltage(V) 12 12 Voltage Range(V) 3-28 2-16 Rated Current(mA) ≤ 25 ≤ 15 Sound Output(dB) ≥ 90 ≥ 90 Resonant Freq(Hz) 3000± 500 3000± 500 Operating Temp(º C) -20~+50 -20~+50 Storage Temp(º C) -30~+80 -30~+80 Weight(g) 14 14
1/5
Sfm-42-a
2014-03-04 11:097640询价
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