4 Amp Photovoltaic Charge Controller
Materials
Gerber file
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Bill of Materials
Resistors
R1 = 15kOhm
R2,R3 = 3.3kOhm 1%
R4 = 2.2MOhm
R5 = 1kOhm
P1 = 5kOhm preset
Capacitors
C1 = 22µF 25V, radial
Semiconductors
D1 = MBR1645G (ON Semiconductor)
D2 = LED, 5mm
IC1 = TL431ACLP (Texas instruments)
T1 = IRFZ144 IRFZ44NPBF (International Rectifier)
T2 = 2SC1815 (Toshiba) (device is marked: C1815)
T3 = BC547
Miscellaneous
K1,K2 = 2-way PCB terminal block, lead pitch 5mm
PCB # 110751-1

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