Table 3. Components List of the Fig. 30 AC-DC adaptor electric schematic.

Component

Reference

Value

Description

Resistors

R1

1.6k

Ω

2%, 1/8W

R2

9.1k

Ω

2%, 1/8W

R3, R14

10

Ω

5%, 1/8W

R4

360k

Ω

2%, 1/8W

R5

27k

Ω

2%, 1/8W

R6

200k

Ω

2%, 1/8W

R7

4.7

Ω

2%, 1/8W

R8, R9

4.7k

Ω

2%, 1/8W

R10

5.6k

Ω

2%, 1/8W

R11

1

Ω

2%, 1/2W, metallic film (low inductance)

R12, R13

24k

Ω

2%, 1/2W

R15

330

Ω

5%, 1/8W

R16

-

Not used

R17

390

Ω

5%,1W, 2 paralleled resistors (not used)

R19

100k

Ω

5%, 1W

R20, R21

470k

Ω

2%, 1/8W

R22

200

Ω

5%, 1/8W

R23

2k

Ω

2%, 1/8W

R24

1k

Ω

5%, 1/8W

Capacitors

C1

100

µF

400V, NCC-SMH or equiv.

C2

330

µF

25V, NCC-LXF or equiv., 3 paralleled capacitors

C3

47

µF

25V, electrolytic

C4

1

µF

10V, electrolytic

C5

1nF

J precision

C6, C15

10nF

C7, C14

330pF

C8

330pF

160V, polypropilene

C9

100nF

C10

220nF

C11

100pF

ceramic

C12

-

Not used

C13

4.7nF

630V

Transformer

T1

380

µH

Core: EFD25, Philips, 3F3 ferrite (or equivalent)

Primary: 46 T, litz wire 20 x 0.1, interleaved assembly

Secondary: 6 T, 4 paralleled litz wire 20 x 0.1

Auxiliary: 7 T (evenly spaced),

∅ 0.2 mm GAP ~ 0.7mm

Transistors

Q1

STP5NA80

ST, TO220 package

Q2

2N2222

ST (or equivalent)

Diodes

B1

DF04M

GI (or equivalent)

D1

STPS20100CT

ST, Shottky, TO220 package

D2, D3

1N4148

ST (or equivalent)

D4

BYT11-600

ST, F126 package

Fuse

Fuse

T2A250V

ELU (or equivalent)

NTC

NTC

-

Not used (see warning)

L4990 - L4990A

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