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91C1DR28B10R51 Datasheet
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91C1DR28B10R51 Price
Alarm Circuitry. If smoke is detected, the oscillator period changes t0 40 ms and the horn is enabled. The horn output is typically 160 ms ON, 80 ms OFF. During the OFF time, smoke is again checked and will inhibit further alarm output if smoke is not sensed. During smoke conditions the low battery alarm is inhibited and the LED is driven at a l Hz rate.
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