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FET400

1 year ago 624
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  • BOM
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Description

Q8 to be attached to one of the power FETs for thermal transfer (it is the superdiode).

Documents

FET400 Schematic

FET400 PCB

BOM

ID Name Designator Footprint Quantity
1 +70V +70V 1287-2P_L7.9-W8.1-P5.08 1
2 -70V -70V 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 CAP-5.5*8.5*3 1
7 10uF C8 CAP-TH_BD5.0-P2.00-D0.8-FD 1
8 330uF C9 CAP-TH_BD8.0-P3.50-D1.0-FD 1
9 470nF C6,C10 CAP-5.5*8.5*3 2
10 100uF C11,C12,C13,C14 CAP-TH_BD10.0-P5.00-D1.0-FD 4
11 15V D1,D2 DO41-10 2
12 7.5v D3,D4 DO41-10 2
13 1N4007 D5,D6 DO-41 2
14 Fuse transparent seat F1,F2 FUSE-TH_L22.6-W9.0 2
15 IN H1 HDR-2X1/2.54 1
16 5K PR1 RES-ADJ_3296W 1
17 BC546BTA Q1,Q2,Q3,Q4 TO-92(TO-92-3)-2.54 4
18 MJE340 Q5,Q6,Q7,Q8 SOT-32 4
19 MJE350 Q9,Q10 SOT-32 2
20 IRFP240PBF Q11,Q12,Q13,Q14 TO-247(AC) 4
21 IRFP9240PBF Q15,Q16,Q17,Q18 TO-247(AC) 4
22 100k R1 AXIAL-0.4 1
23 47k R3 AXIAL-0.4 1
24 18k R7 AXIAL-0.4 1
25 2.2k R4,R8 AXIAL-0.4 2
26 120 R10 AXIAL-0.4 1
27 4.7k R11 AXIAL-0.4 1
28 10k R12,R15 AXIAL-0.6 2
29 1k R13 AXIAL-0.4 1
30 10k R6,R16 AXIAL-0.4 2
31 470 R2,R19,R20,R21,R22,R23,R24,R25,R26,R36 AXIAL-0.4 10
32 15k R35 AXIAL-0.4 1
33 10 R37 AXIAL-0.4 1
34 0.47 R27,R28,R29,R30,R31,R32,R33,R34,R38,R39,R40,R41,R42,R43,R44,R45 RES-11.5MMX4.5MM-2WS 16
35 100 R5,R9,R14,R17,R18,R54,R55 AXIAL-0.4 7
36 OUT U1 1287-2P_L7.9-W8.1-P5.08 1
37 GND GND,U3 1287-2P_L7.9-W8.1-P5.08 2

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Comments (6)

cucos mircea Reply

IMG_20200720_173736.jpg

cucos mircea Reply

IMG_20200828_220402.jpg

cucos mircea Reply

Q8 MJE340 needs to be mounted as a thermal sensor for output FETs because it provides the bias current (max. 30mA/pair) for them. For example you can mount it directly on Q14 IRFP240 like in the picture.

cucos mircea Reply

IMG_20201003_205649.jpg

cucos mircea Reply

IMG_20201010_231113.jpg

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