WAA020 (5V 1.5A SMPS board)

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STD WAA020 (5V 1.5A SMPS board)

License: GPL 3.0

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Update time： 2024-05-13 14:01:03

Creation time： 2019-03-25 19:46:34

Description

WAA020, similar to WAA016 or WA9003. Available on eBay/AliExpress as "AC-DC 100-240V To 5V 2A 2000mA Switching Power Supply Replace Repair Module". PN: R03ER3-00021 Complete schematics, PCB not yet. T1 = 2tape - 32P - tap - 1 tape - aux plate - 1tape - 8 sec - 3 tape - 11 triple aux - 1 tape - 33 pri - 2 tape - 33 pri

Design Drawing

schematic diagram

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WAA020
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	T5A250V	FS1	T5A-250V	1
2	14S471K	MOV1	VDR-7.5-17.5X6	1
3	DF1508S/DB157S	D1	SDIP-4	1
4	SCK-083	RT1	VDR-7.5-13X5	1
5	Mutual_Inductors	L1	TRANSFORMER	1
6	10uF400V	C1	CAP-10*16	1
7	3M	R23,R22	0805	2
8	330k	R33	0603	1
9	AZ432 (EA8)	M5	SOT-23(SOT-23-3)	1
10	0.33n	C22	0603	1
11	300	R36	0603	1
12	1.9V	ZD2	LL34	1
13	20k	R25,R27	0402	2
14	MMBT2907A (2F)	Q2	SOT-23(SOT-23-3)	1
15	0.52u	C18,C14,C15	0603	3
16	64.9kR1%	R16	0402	1
17	1.1MR1%	R24	0402	1
18	0R	R32,W6	1206	2
19	20k	R26	1206	1
20	Header-Male-2.54_1x1	L,N,GND,+5V	HDR-1X1/2.54	4
21	10uF400V	C2	CAP-D3.0XF1.5	1
22	1R	R5	1206	1
23	300k	R3	1206	1
24	K10103B	M2,M3	DIP-4	2
25	THX203H-7V	M1	DIP-8	1
26	1.2M	R2	1206	1
27	1.5M	R1	AXIAL-0.4	1
28	0.7n	C4	0603	1
29	390	R6	0603	1
30	2R2	R19	0805	1
31	47uF25V	C3	CAP-D3.0XF1.5	1
32	MBR2045CT	D7	TO-220(TO-220-3)	1
33	1000uF16V	C9,C16	CAP-D3.0XF1.5	2
34	680	R30	0805	1
35	shunt	R28,W3	AXIAL-0.2-MFR-12	2
36	0.3n	C25	0603	1
37	1m	L3	AXIAL-0.6	1
38	3k	R9	0603	1
39	100R	R12	0603	1
40	1k	R29	0603	1
41	20	R31	0805	1
42	5.5V	ZD4	SMB	1
43	0R	W4,W5	0603	2
44	GP7 by BCD (like AP4306)	M4	SOT-23-6	1
45	0R	W7,W1	0805	2
46	0.1n	C13	0603	1
47	5.1k	R21,R20	0805	2
48	220n	C21	0603	1
49	230n	C12	0603	1
50	2.7k	R18	0603	1
51	470uF10V	C10	0603	1
52	213n	C20	0805	1
53	11n	C19	0603	1
54	470n	C8	0603	1
55	8.66kR1%	R17	0805	1
56	1MR1%	R35	0805	1
57	150	R14	0805	1
58	1R8	R4	1206	1
59	2R0	R7	1206	1
60	22n	C5	0603	1
61	20k	R13	0603	1
62	Transformer 2P1S	T1	NONE	1
63	MMBT2222A (1P)	Q3	SOT-23(SOT-23-3)	1
64	100n	C17	0805	1
65	1.3n	C6	0603	1
66	200	R8	1206	1
67	9.53kR1%	R11	0805	1
68	220pF (AH221K, Y1: 250V)	C11	CAP-HV-5.0*4.0	1
69	PS1010R	D6,D5	DO-41	2
70	0R	W2	AXIAL-0.2-MFR-12	1
71	LL4148	D2	LL-34	1