Text preview for : Nmos200 - TO247 schematic.pdf part of NMOS NMOS 200W Amp SCHEM
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+ POS 50v max.
C5 470R 470R 47R R4 R9 R12 0.1uF
F2 4A C11 0.1uF C12 100uF 63v
BC556
BC556 T9 R16 100R BD140 / MJE350 C4 T6 220R R20 0R22 R29 MJE340 R24 27R
Transistors T6 & T7 must be mounted on small heatsinks T8, T9, T10 plus the output FETs are mounted on a common heatsink bracket that is bolted to the main heatsink R29 & R30 are 5 watt types. All other resistors are 0.5 watt metal film
T2
T3
T13
IRFP260 or similar
C3 330pF T1
R6 33R T5
39pF C7 470R R13 0.1uF R18 27K T8 C9
10pF
C1 1uF
R2 1K0 C2 330pF BC546 R3 220R R5 VR1
1K0
Output
BC546 VR2 220R R10
1K0
10R
R19
R34
200R
27K
100R
BC546
C8 100UF
R21
C10 .047uF
47R
R1 10R 10K 220R R7 22K T4 BC546 1N4148 D1 R8 1N4148 D2 R11 T7
R14 MJE350 R17 100R T10 R26 27R T12
IRFP260 or similar
BD139 / MJE340
47R
220R
0R22
R15
C6 0.1uF
R22
R30
C13 0.1uF
C14 100uF 63v
F1
- NEG 50v max.
4A