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STD FET400 + clipping indicator

License: Public Domain

Mode: Editors' pick

Cloned from FET400

  • 1.5k
  • 2
  • 3
Update time： 2023-02-04 16:58:35
Creation time： 2021-05-09 15:36:47
Description
Module of 400W audio amplifier using 4 pairs of MOS FET IRFP240 + IRFP9240 Q8 to be attached to one of the power FETs for thermal transfer (it is the superdiode).
Design Drawing
schematic diagram
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PCB
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BOM
BOM download Purchase Parts
ID Name Designator Footprint Quantity
1 +75V +75V 1287-2P_L7.9-W8.1-P5.08 1
2 -75V -75V 1287-2P_L7.9-W8.1-P5.08 1
3 2.2uF C1 CAP-5.5*8.5*3 1
4 150p C2 CAP-5.5*8.5*3 1
5 56pF C3,C4,C7 CAP-5.5*8.5*3 3
6 10nF C5,C16 CAP-5.5*8.5*3 2
7 470nF C6,C10 CAP-5.5*8.5*3 2
8 10uF C8 CAP-TH_BD5.0-P2.00-D0.8-FD 1
9 330uF C9 CAP-TH_BD8.0-P3.50-D1.0-FD 1
10 100uF C11,C12,C13,C14 CAP-TH_BD10.0-P5.00-D1.0-FD 4
11 100nF C15 CAP-5.5*8.5*3 1
12 15V D1,D2 DO41-10 2
13 7.5v D3,D4 DO41-10 2
14 1N4007 D5,D6 DO-41 2
15 Fuse transparent seat F1,F2 FUSE-TH_L22.6-W9.0 2
16 GND GND,U3 1287-2P_L7.9-W8.1-P5.08 2
17 IN H1 HDR-2X1/2.54 1
18 3AR2UC12 600-900 LED1 LED-3MM 1
19 5K PR1 RES-ADJ_3296W 1
20 BC546BTA Q1,Q2,Q3,Q4,Q19 TO-92(TO-92-3)-2.54 5
21 MJE340 Q5,Q6,Q7,Q8 SOT-32 4
22 MJE350 Q9,Q10 SOT-32 2
23 IRFP240PBF Q11,Q12,Q13,Q14 TO-247(AC) 4
24 IRFP9240PBF Q15,Q16,Q17,Q18 TO-247(AC) 4
25 BC556BTA Q20 TO-92-3_L4.9-W3.7-P2.54-L 1
26 100k R1,R48 AXIAL-0.4 2
27 470 R2,R19,R20,R21,R22,R23,R24,R25,R26,R36 AXIAL-0.4 10
28 47k R3 AXIAL-0.4 1
29 2.2k R4,R8 AXIAL-0.4 2
30 100 R5,R9,R14,R17,R18,R54,R55 AXIAL-0.4 7
31 10k R6,R16 AXIAL-0.4 2
32 18k R7 AXIAL-0.4 1
33 120 R10 AXIAL-0.4 1
34 4.7k R11 AXIAL-0.4 1
35 10k R12,R15 AXIAL-0.6 2
36 1k R13,R46 AXIAL-0.4 2
37 0.47 R27,R28,R29,R30,R31,R32,R33,R34,R38,R39,R40,R41,R42,R43,R44,R45 RES-11.5MMX4.5MM-2WS 16
38 15k R35 AXIAL-0.4 1
39 10 R37 AXIAL-0.4 1
40 1M R47 AXIAL-0.4 1
41 330k R49 AXIAL-0.4 1
42 82k R50 AXIAL-0.4 1
43 5k6 R51 AXIAL-0.4 1
44 OUT U1 1287-2P_L7.9-W8.1-P5.08 1

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