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PWM Parts List, v2.1
Unless noted, all resistors are in ohms, 1/4W, 5% tolerance. All capacitors are in uF, 16V minimum
Designation P/N Qty Description Mouser Digi-Key Misc vendors
U1 LM324 1 Quad Op-Amp 512-LM324N
$0.33 ea
LM324NFS-ND
$0.42 ea
 
U2 7810 1 10V Regulator 512-LM7810ACT
$0.31 ea
296-21622-5-ND
$0.84 ea
 
Q1 IRFP064N or
FDP038AN06A0
1 Power MOSFET 512-HUF75344G3
$2.17 ea, $1.73 ea 10+
512-FDP038AN06A0 alternate
#3.41 ea, $3.06ea 25+
IRFP064NPBF-ND
$4.12 ea, $2.748 10+
 
D1 MUR420G or equiv 1 Fast recovery Rectifier 863-MUR420G
$0.42 ea
MUR420GOS-ND
$0.53 ea
 
R12 (note 1) 0.0015 1 Wire Shunt Resistor      
L1 100uH 1 Inductor 542-77F101-RC $0.18 ea
or 434-23-101 $0.20ea
   
R9 100 1 Resistor 71-CCF07100RJKE36
$0.02 ea
   
R10, R13 1k 2 Resistor 71-CCF07-J-1K
$0.02 ea
   
R1, R7 1.8k 2 Resistor 71-CCF07-J-1.8K
$0.02 ea
   
R6 3.9k 1 Resistor 660-MF1/4LCT52R392J
$0.05 ea
   
R3, R4, R5 10K 3 Resistor 71-CCF0710K0JKE36
$0.02 ea
   
R2 22k 1 Resistor 71-CCF07-J-22K
$0.02 ea
   
R8 100k 1 Resistor 71-CCF07-J-100K
$0.02 ea
   
R11 1M 1 Resistor 71-CCF07-J-1M
$0.02 ea
   
C1 0.022uF 1 Mylar film cap 598-DSF050J223
$0.19 ea
   
C3 0.047uF 1 Disk ceramic cap 140-100Z5-473Z-TB-RC
$0.16 ea
   
C2, C4 47uF 2 Electrolytic cap 647-UVZ1V470MDD
$0.10 ea
   
C5 4.7uF / 100V 1 Polyester film 5989-100V4.7-F
$2.27 ea
   
C6 .001uF 1 Disk ceramic cap 140-50P2-102K-TB-RC
$0.08 ea
   
C7 12,000uF / 25V 1 Low ESR Electrolytic 661-EKMH250VNN123MP
$2.73 ea
   
VR3 1K 1 Linear taper pot 652-3006P-1-102-LF
$1.55 ea or
652-3296Y-1-102LF
$2.20 ea
3006P-102LF-ND
$1.73 ea   or
3296Y-102LF-ND
$2.50 ea
 
VR1 10k 1 Linear taper pot 652-3006P-1-103-LF
$1.55 ea or
652-3296Y-1-103LF
$2.20 ea
3006P-103LF-ND
$1.73 ea   or
3296Y-103LF-ND
$2.50 ea
 
VR2 20K 1 Linear taper pot 652-3006P-1-203-LF
$1.55 ea or
652-3296Y-1-203LF
$2.20 ea
3006P-203LF-ND
$1.73 ea   or
3296Y-203LF-ND
$2.50 ea
 

TO-247 insulators

  1 Aluminum oxide wafer 532-4180, $0.70 ea    
Mica     MCM 21-1170 $4.21/25
Heat sink compound       526-NTE303 1g
$1.77 ea
345-1006-ND 4g
$5.04 ea
 
CPU cooler 5C12B3 1       NewEgg $3.99 + S&H
Directron $1.99 ea
PC Board   1 Perf board, 0.1"x0.1"
hole pattern
     
Aluminum
Die Cast box
Velleman G106 or
BUD AN-1302 or
Deltron 459-0020
1 Velleman US dealer locator
Velleman Int'l dealer locator
563-AN-1302 $9.40 ea
400-4591 $7.32 ea
377-1101-ND
$9.40 ea
Cal-Centron, $8.32 ea
Fibre shoulder washers  For #10 screw 3 Keystone #3239 or equiv      
Fibre flat washers  For #10 screw 3 Keystone #3130 or equiv      
#6-32 hardware            
#10-24 x 1" screws   3        
#10-24 hex nuts   6        
#10-24 wingnuts   3        
#10 flat washers   6        
#10 split lockwashers   6        
Crimp lugs   3        
Push-In terminals   5 Vector P/N T42-1 574-T42-1/C  $10.68/100
574-T42-1/M  $51.23/1000
V1069-ND  $11.10/100
V1070-ND  $53.27/1000
 
 
Misc: ground lugs, binding posts, stand-offs, hookup wire.
R12 is a 6" length of insulated 14ga stranded or solid coper wire. See schematic description for details.
 

 

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