Battery Charger - Component Schedule

Parts List (Maplin part codes or Farnell)

Resistors

R1			270	1	M270
R2,4			1k0	2	M1k0
R3,5			2m2	2	M2M2
R6			470	1	M470R
R7,8,9,10,13,16,19,20,
22,23,26,27,32		10k	13	M10K
R11			15, 3W	1	W15R
R12			2.7	1	M2R7
R14			62k	1	M62K
R15			68	1	M68R
R17			1m8	1	M1M8
R18			75k	1	M75K
R21,24			4k7	2	M4K7
R25			3k0	1	M3K0
R28,29,30,31		2k2	4	M2K2

VR1			10k	1	author
VR2			5K	1	WR41U


Capacitors

C1,3,5,6,7,9,11,13,
14,15,16			0.1uF  63v	11	DT98G
C2,10			2200nF 35v	2	AT64U
C4,8,12,19,20,21,22	22uF 35v	7	AT56L
C17,18			12pF		2	WX45Y


Semiconductors

D1	WO2		1	AQ96E
D2	LED red		1	QW86E
D3,4	1N4001		1	QL73Q
D5,6	1N4148		2	QL80B
D7	BZY88C 6v8	1	QH10L

IC1	7805		1	AV16S
IC2	7912		1	AV20W
IC3,4	CA3140E	2	QH29G
IC5	LM348N		1	AV43W
IC6	LM334N		1	WQ32K
IC7	24LC16B/P	1	AD23A
IC8	Pre-programmed PIC	1	author
IC9	MAX232		1	FD92A

TR1,2	BD139		1	QF07H
TR3,4	BC557		1	QQ16S
TR5,6	BC547		1	QQ14Q


Miscellaneous

	Transformer 15 + 15v 15W	1	Farnell 433-4978

X1	3.2768MHz crystal	1	FY86T

FS1	1A fuse (use fusewire or solder wires to cartridge fuse)

	16 x 2 Display		1	Farnell 142-633 or
			Farnell 4146177 (larger,cheaper needs larger box)

	IC socket		1	FJ66W

	Heat sink		1	Farnell 253-698
	TO126 insulator		2	WR26D
	TO220 insulator		2	WR23A

	LED clip			1	YH62S

	Enclosure		1	175mm W, 155mm D 60mm H steel/al

	3mm knobs		2	JZ86T

	3.5mm plug		1	HF80B
	3.5mm socket		1	CX93B
	2.5MM plug		1	HH62S
	2.5mm socket		1	JK10L
	9/25 way D socket	1	RK61R/YQ49D
	9/25 way hood		1	FP27E/FP29G
	Mains inlet		1	HL15R
	Insulation cover for above	1	JK66W

	Mains lead		1	MK41U
	Ribbon cable		1	XR06G
	Earth wire		1	XR38R
	Coax			2	XR16S

SW1	Sub Min Toggle		1	FH00A
SW2	Sub Min Push black	1	JM01B
SW3	Sub Min Push red		1	JM47B
SW4	Digital potentiometer	1	author

	PCB			1	author

	M2.5 12mm CS bolts	1	BF40T
	M3 10mm PH bolts	1	JY22Y
	M2.5 nuts		1	JD61R
	M3 nuts			1	JD62S
	M3 treaded spacers	1	FG38R

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