Beckwith Electronics


Hamburg, Illinois 62045
(618) 232-1139

(618) 232-1172 fax

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PIEZO TELEPHONE RINGERS External Drive Types
Part Number Max Input
Voltage
Electrostatic
Capacity (pF)
Sound
Output
Terminal
Type
Resonant
Frequency
Operating
Temperature
BRP3409L-40-TR 40Vp-p 40,000 + 25% Min. 70 @1M dB 2 Leadwires 1000 -20 C to +70 C
BRP4414L-30-TR 30Vp-p 75,000 + 25%


3 Tone Piezo Telephone Ringers
Part Number Max
Input
Voltage
Working Frequencies
for 3 Tone Call
(Hz)
SPL Output
(dB) @ 10cm @
Resonant Freq.
Terminal
Type
BRP4815P-30-TR 30Vp-p F1 - 800 + 10%
F2 - 1067 + 10%
F3 - 1333 + 10%
Min. 82 dB 4 Pins