BL59A66 detector equivalent, smoke detector.
for a photoelectric type smoke detector. BL59A66 can be used in conjunction with an infrared photoelectric chamber to sense scattered light from smoke particles. Special .
2.5 Pin function
Pin No. Pin symbol
1 ,2 C1 , C2
3 DETECT
4 STROBE
5 ,14
Vdd , VSS
Input/O utput
Input Output
Function Description
Exterior capacitor connected to the pins Input to the photo amplifier Regulated voltage Output Power/Gnd
A cap.
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