Tag Archive: Silicon-Controlled Rectifier (SCR)

Jul 24

Fluorescent Tube Lamp Emergency Light

Parts List Resistor : R1,R2,R4,R7 …………………………. 1K R3 ……………………………………… 470 R5 ……………………………………. 220K R6 ……………………………………… 47K R8 ……………………………………… 220 R9 …………………………………………. 1 R10 …………………………………….. 180 R11 …………………………………….. 820 R12 …………………………………….. 270 R13 ………………………………………. 47 R14 …………………………………….. 10K Variable Resistor : VR1 ……………………………………… 5K Capacitor : C1 …………………………….. 220uF/16V C2 …………………………….. 100uF/25V C3 …………………………….. 470uF/16V C4 …

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Jul 23

Automatic 12V Battery Charger

Parts List Resistor : R1,R4,R7 …………………………. 1K R2 ………………………………… 470 R3,R5 ……………………………. 47K R6 ………………………………… 220 R8 …………………………………… 1 Variable Resistor : VR1 ………………………………. 5K Capacitor : C1 ………………………. 220uF/16V Diode : D1 ……………………………. 1N 5402 D2,D4 ……………………….. 1N 4148 D3 ………………………………… LED D5 ……………………………. ZD 6,2V Transformator : T1 …………………. P  :  0-110V/220V T1 …

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Jul 23

5A 12V Lead Acid Automatic Battery Charger

Parts List Resistor : R1 …………………………………… 470 R2,R3,R4,R7 ………………………… 1K R5,R6 ……………………………….. 47K R8 ……………………………………. 220 Variable Resistor : VR1 ……………………………………. 5K Capacitor : C1 …………………………….. 100uF/25V Diode : D1,D2 ……………………………. 1N 4148 D3 ……………………………………… LED D4 …………………………………. ZD 6,2V D5,D6,D7,D8 …………………… 1N 4002 D9 …………………………. MDA 3502 – 4 Semiconductor : SCR1,SCR2,SCR3 ……………. EC …

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Jul 23

220V AC Powerline Light Control Switch (Automatic)

Parts List Resistor : R1 ……………………………. 8K2 R2 ……………………………. 15K R3 ……………………………… 1K R4 …………………………….. 680 R5,R6,R7……… 110v ……. 100K R5,R6,R7 …….. 220V …… 180K R8,R9,R10 ………………….. 82K Variable Resistor : VR1 ………………………… 220K Capacitor : C1 …………………… 220uF/16V C2 ………………. 0,005uF/600V Tansistor : TR1,TR2 …………… FCS 9014 Diode : D1,D2 ………………….. 1N 4002 D3 …

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Jul 23

Light-Controlled Alarm

  Parts List Resistor : R1 …………………………………. 47K R2 …………………………………. 330 R3 …………………………………. 150 R4,R5 …………………………….. 5,6K R6 …………………………………… 1K Variable Resistor : VR1 …………………………….. 100K Capacitor : C1 ……………………………. 0,05uF C2 ……………………….. 220uF/10V Transistor : TR1,TR3 ………………. FCS 9014D TR2 …………………….. FCS 9012H Semiconductor : SCR ……………………….. EC103D Other : LDR …………………………. Cds-05 Speaker …

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