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Schaltplan eines Netzteils
C20 330 µF U3A PC81X1J00F R30 4.75 kΩ R32 2.2 kΩ C17 2200 µF C14 470 nF R28 100 Ω D11 STPS1045B U5 LM431 C5 100 nF C6 100 nF C3 100 nF L1 3.3 µH R15 75 Ω R9 10 kΩ R10 43.2 kΩ U4A PC81X1J00F C7 47 nF C11 3300 µF C10 3300 µF C8 100 nF R24 3.92 kΩ U5 LM431 R29 1 kΩ U7 LM431 C16 320 nF R31 4.75 kΩ RTN +12
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Schaltplan eines Netzteils
10k, Set U, Set Umax, Anti-Windup & Clamping, LED1, D5, R1 2.2k, R12 1.6k, R13 10k, R14 8.2k, U1 TL431, D2 UB12, CN1 250-204, Main Input 28-30V AC, C1 680uF, +12V, -12V, D6 MBR1010F, V-, J2, Shutdown - Turn off, Q4 BC37-40, R21 820, R2 12V, R23 4.7k, R24 10n, D5 BZX86C5V2-8.2V, R25 4.7k, U5 LM78L05, U6 LM7912, U8 LM7912, CN2 250-203, 12V-12V AC, C10 100uF, C1 470u, C12 0.1u, C13 0.1u, C14 10u, C15 0.1u, C16 0.1u, C17 0.1u, C18 0.1u, C19 0.1u, C20 0.1u, Output, GND, Input, Output, TITLE: Netzteil TL071
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Schaltplan eines Netzteils
Output 25V - 3A GND D3 BD139 R4 0R2 7W R5 4.7K D1 LED1 D10 BZX5C3V3 U2 TL071CP +12V C2 1.5K C3 10p U1 TL431 R1 2.2K R12 1.3K R13 8.2K R14 4.7K R15 4.7K R16 10k R17 4.7K R18 4.7K R19 10k R20 4.7k D6 BZX5C3V3 -12V U3 TL071CP C5 47u C6 10n MBR1010F Set Umax Set I Output ON/OFF alternative D7 1N4148 Q3 BC37-40
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Diagramm der LED-Kennlinien
Z-Diode 1 V IR 940 nm IR 880 nm Rot 3 mm 77877 Rot 3 mm 48927 Gelb 5 mm Grün 3 mm alt Grün 3 mm TL431 LM385 Blau 3 mm Weiß 5 mm UV 405 nm UV 375 nm
