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A5303

Part Number	A5303
Manufacturer	Allegro
Description	Photoelectric Smoke Detector
Published	Dec 1, 2016
Detailed Description	A5303 Photoelectric Smoke Detector with Interconnect, Timer, and Latching Alarm Indicator Features and Benefits ▪ Low a...
Datasheet	A5303 PDF File

Overview

A5303 Photoelectric Smoke Detector with Interconnect, Timer, and Latching Alarm Indicator Features and Benefits ▪ Low average standby current allows 10-year battery life ▪ 2.
3 to 5.
5 V operating range ▪ Interconnect option ▪ Logic outputs to control an external sound IC ▪ Low battery detection and warning ▪ Chamber sensitivity test and warning ▪ Triple horn-chirp to distinguish chamber warning ▪ Power-on reset (POR) ▪ Digital filter on I/O provides significant noise immunity ▪ Timer (hush) mode for enabling reduced sensitivity period ▪ Built-in circuits to reduce false triggering ▪ ESD protection circuitry on all pins ▪ Temporal Horn Pattern, per UL217, NFPA72, ISO8201 ▪ Latching alarm indi...

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