Electronic Tone Ringer With Built-In BridgeRectifier

The UTC LS1240A is monolithic integrated circuits and designed to be as a telephone ringer. It CAN drive a piezo-ceramic converter(buzzer) directly. The output current capacity of UTC LS1240A is higher than standard ringer. For driving a dynamic loudspeaker, UTC LS1240A needs only a decoupling capacitor to replace the usual transformer in use. By LianShun Electronics Co., Ltd
LS1240A 's PackagesLS1240A 's pdf datasheet
LS1240A-D08-T
LS1240AL-D08-T
LS1240A-S08-R
LS1240AL-S08-R
LS1240A-S08-T
LS1240AL-S08-T

LS1240A pdf datasheet download


LS1240A Pinout, Pinouts
LS1240A pinout,Pin out
This is one package pinout of LS1240A,If you need more pinouts please download LS1240A's pdf datasheet.

LS1240A Application circuits
LS1240A circuits
This is one application circuit of LS1240A,If you need more circuits,please download LS1240A's pdf datasheet.


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