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Parts List
This parts list is not meant to be a no-brainer shopping list, rather a suggestion and an assistance respectively. Refer to the column description when choosing parts.
For some parts there is quite some choice. Depending on picked parts total cost can rise significantly, particulary with polypropylene caps, large tantalum caps, high
precision resistors or high grade voltage references / regulators. The impact on performance should be negligible though.
Parts cost stated in this parts list is taken from the average to lower cost parts to give an idea how much money you have to spend at least (aprox. $100).
ID | QTY | description | Mouser.com | Digikey.com | $/ea. | $/sum |
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1 |
pcb (130x100mm, 70u copper layer) |
|
|
30.00 |
30.00 |
x-form |
1 |
power transformer, chassis mount, dual secondaries 2x 18V, at least 2x 350mA, (15VA or 25VA or 30VA) toroidal preferable |
546-185C36 |
TE62044-ND TE62054-ND TE62064-ND |
16.00 |
16.00 |
C42, C43 |
2 |
47nF, LS 7.5mm, at least 35VAC polypropylene film or polyester film or ceramic |
140-PF2D473K |
BC1707-ND |
0.25 |
0.50 |
C1 - C8 |
8 |
47nF, LS 5.0 or 7.5mm, at least 50VDC polypropylene film or polyester film or ceramic |
505-MKS2.047/63/10 505-MKP20.047/100/5 |
BC2068-ND BC1630-ND |
0.25 |
2.00 |
C9 - C16 |
8 |
330nF, LS 5.0mm, at least 50VDC polypropylene film or polyester film or ceramic |
505-MKS2.33/63/10 505-MKP20.33/100/5 |
P4569-ND |
0.09 |
0.72 |
D1 - D8 |
8 |
Rectifier, TO-220 or DO-41, Schottky or soft revovery MBR1045 / MBR1060 / 10TQ035 / 10TQ040 HFA08TB60 / RHRP860 / 11DQ06 |
821-MBR1045 512-MBR1045 821-MBR1060 |
MBR1060GOS-ND HFA08TB60-ND 10TQ035-ND 10TQ040-ND |
0.80 |
6.40 |
C17 - C20 C23, C24, C29, C30 |
8 |
2200uF / 35V low ESR, LS 7.5mm, max diam=16mm |
647-UHE1V222MHD |
P10309-ND |
1.80 |
14.40 |
C25, C28 |
2 |
470uF / 35V ... 1000uF / 35V ... 2200uF / 35V low ESR, LS 7.5mm, max diam=16mm |
647-UHE1V222MHD 647-UHE1V102MHD |
P10309-ND P10305-ND |
1.00 |
2.00 |
C21, C22 |
2 |
22uF...47uF / 35V electrolytic alternatively 10uF...22uF / 35V Tantalum LS 2.5mm, max diam=6mm |
647-UUD1V470MCL 647-UPM1V470MEH |
P11232-ND |
0.35 |
0.70 |
C31, C32, C36, C37 |
4 |
10uF / 35V Tantalum, LS 2.5mm |
74-173D35V10 |
399-1360-ND 478-1842-ND |
1.50 |
6.00 |
C44, C45 |
2 |
1uF / 35V Tantalum, LS 2.5mm |
74-173D35V1.0 |
399-1429-ND
399-1354-ND
478-1835-ND |
0.50 |
1.00 |
C33, C34, C38, C39 |
4 |
100nF ceramic, at least 35VDC, LS 5.08mm |
80-C322C104K5R |
399-2081-ND 399-2074-ND |
0.10 |
0.40 |
C35, C40 C27, C41 |
4 |
10nF ceramic multilayer, C0G or X7R at least 50VDC, LS 5.08mm |
80-C317C103K5R |
399-2075-ND 399-2063-ND 478-2462-N |
0.10 |
0.40 |
IC1, IC2 |
2 |
OPA544T (TO220 5-lead) |
n.a. |
OPA544T-ND |
11.40 |
22.80 |
IC3, IC4 |
2 |
LM317T / LM317AT (alternatively LM338 / LT338) |
511-LM317T 512-LM317T |
497-1575-5-ND LM317AT-ND |
1.00 |
2.00 |
D9 - D12 |
4 |
1N4001 ... 1N4004 |
512-1N4004 |
1N4004DICT-ND |
0.20 |
0.80 |
R18, R19 |
2 |
cermet trimpot 500R, 3/8" (10mm) W-series, top adjustment |
594-64W501 652-3299P-1-501 |
CT94W501 |
1.50 |
3.00 |
IC5 |
1 |
REF102 |
n.a. |
REF102AP-ND REF102BP-ND |
4.00 |
4.00 |
for IC5 |
1 |
dip-8 socket (optional but recommended) |
535-08-3518-10 575-193308 |
ED3308-ND ED56083-ND |
0.30 |
0.30 |
R1, R2 |
2 |
resistor, metal oxide, 2W, 5%, 10R |
282-10-RC |
P10W-2BK-ND 10W-2-ND |
0.30 |
0.60 |
R3 - R10 |
8 |
resistor, 1/4W, 1%, 50R |
|
49.9XBK-ND |
0.10 |
0.80 |
R21, R22 |
2 |
resistor, 1/4W, 1%, 1R |
|
|
0.10 |
0.20 |
R11, R13 |
2 |
resistor, 1/4W, 1%, 120R |
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|
0.10 |
0.20 |
R12, R14 |
2 |
resistor, 1/4W, 1%, 1k8 |
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|
0.10 |
0.20 |
R15, R16, R17 |
3 |
precision resistor, 1/4W, 10k, metal film 0.1% tolerance or hand matched 1% |
66RC55LF-D-10k 71-CMF55-B-10K 71PTF-6510K000BZBF |
|
0.70 |
2.10 |
R20 |
1 |
resistor, 1/4W, 1%, metal film 6k20 for ±16.2V output 4k99 for ±15.0V = 30V output 3k50 for ±13.5V = 27V output 2k00 for ±12.0V = 24V output |
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|
0.10 |
0.10 |
KK1 - KK4 |
4 |
heatsink SK129 |
532-529802B25 |
HS188 |
1.30 |
5.20 |
L1, L2 |
2 |
small choke coil / inductor, 1μH, axial rated for at least 300mA |
542-5300-01 542-70F-106 |
M7813-ND DN2520-ND |
0.60 |
1.20 |
|
1 |
connector - terminal block 3pos LS 5.08mm, pcb mount (optional) |
651-1729131 |
277-1248-ND |
1.00 |
1.00 |
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4 |
sink pad TO-220 insulating (optional) |
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|
1 |
IEC power inlet module with integrated fuse holder |
693-6200.4315 |
Q206 |
3.00 |
3.00 |
|
4 |
nylon shoulder washer / bushing TO-220 (metric M3, imperial #4-40) (optional) |
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|
0.10 |
0.40 |
misc. |
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fuse 5x20mm slow blow screws, standoffs, hookup wire, test points, dip pin strip, enclosure, ... |
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Download parts list / BOM (bill of material)
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