Pay
Automatic Heat Detector

Automatic Heat Detector

IC1UM35611234SEL2NC8765OS2OS1SEL1N/CT1BC109D11N4001T2AC188R4330ΩR168ΩLED1R2220KT3BC548SPEAKER8Ω, 1W+6VT4BEL187GNDR310KZD13.0VZENERRL16V, 100Ω1 C/O RELAYN/ON/CAutomatic Heat Detector
0
0
0
publish time: 2020-10-26
Circuit Everyday

The circuit USES a complementary pair containing an NPN metal transistor T1 (BC109) and a PNP germanium transistor T2 (AC188) to detect nearby heat (due to fire, etc.) and electrify the alarm.The collector of the transistor T1 is connected to the base of the transistor T2, and the collector of the transistor T2 is connected to the relay RL1.

See More Related Templates