RD5 查看數據表（PDF） - Power Integrations, Inc

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RD5

TOPSwitch-II® Reference Design Board 85 to 265 VAC Input, 20W (30W Peak) Output

Power Integrations, Inc 

RD5

5

6

8

TAPE

7

3

4

1

2

SECONDARY

BIAS

PRIMARY

WINDING INSTRUCTIONS

Primary (2 layers)

Start at pin 2. Wind 67 turns of #30 AWG heavy nyleze

magnet wire in two layers. Finish on Pin 1

Basic Insulation

1 layer of 10.8 mm wide polyester tape for basic insulation.

Bifilar Bias Winding

Start at Pin 4. Wind 8 turns of 2 parallel strands of

#30 AWG heavy nyleze magnet wire. Space turns evenly

across bobbin to form a single layer. Finish on Pin 3.

Basic Insulation

1 layer of 10.8 mm wide polyester tape for basic insulation.

24 V Double Bifilar

Secondary Winding

Start at Pins 7 and 8. Wind 8 bifilar turns of #24 AWG

Triple Insulated Wire. Finish on Pins 5 and 6.

Outer Insulation

3 layers of 10.8 mm wide polyester tape for insulation.

Final Assembly

Assemble and secure core halves. Impregnate

uniformly using varnish.

* Triple insulated wire sources.

P/N: T28A01TXXX-3

Rubudue Wire Company

5150 E. La Palma Avenue

Suite 108

Anaheim Hills, CA 92807

(714) 693-5512

(714) 693-5515 FAX

P/N: order by description

Furukawa Electric America, Inc.

200 Westpark Drive

Suite 190

Peachtree City, GA 30269

(770) 487-1234

(770) 487-9910 FAX

P/N: order by description

The Furukawa Electric Co., Ltd

6-1, Marunouchi 2-chome,

Chiyoda-ku, Tokyo 100, Japan

81-3-3286-3226

81-3-3286-3747 FAX

Figure 20. Construction details of transformer TRD5.

PI-2055-050798

40 A

7/97

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