Details and datasheet on part: EPC3133-4

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Part: EPC3133-4

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Description: Flyback Power Transformer

Company: PCA Electronics Inc.

Datasheet: Download EPC3133-4 datasheet File size : 188 kB

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Datasheet text preview:
Flyback Power Transformer
ELECTRONICS INC.

EPC3133-X
· Used in SMPS Flyback Topology · Designed for use with Power Integration Chip · Reinforced Insulation (Triple Insulated Wire) · UL 94V-0 Recognized Components · UL 1446 Class F Insulation System · Very Low Core Loss
Electrical Parameters @ 25° C

PCA Part Number

Chipset

Voltage (Vdc) V in Pin 1-3 V out 1 V out 2 V out 3 V out 4

Primary OCL (µH ± 10%) @ 10 KHz, 0.1 Vrms Sec. 1

Current (Amp.) Sec. 2 N 0.4 N N N Sec. 3 N .05 .05 N .05 Sec. 4 --.005 -------

Schematic

EPC3133-1 EPC3133-2 EPC3133-3 EPC3133-4 EPC3133-5

TNY253 (44 KHz) TOP242P (132 KHz) TNY254 (44KHz) TNY266P (132 KHz) TNY267

N --.173 120-375 5100 7.5 N 6.2 30 1.5 120-375 2100 3.3 15 N --.25 120-375 3670 12 15 N --1.0 120-375 1660 5 N N --2.0 120-375 2800 3.3 15 · Switching Frequency : 132 KHz/44 KHz · Isolation : 3750 Vrms · Dielectric Rating (Vdc)

A B A A A

1 sec. 4500 or 60 sec. 3750 Pri. to all Sec. Wdg's

1 sec. 4500 or 60 sec. 3750 Between Sec. Wdg's to Core · Note : "N" means Not Required/No Connections ·

1 sec. 1500 or 60 sec. 1000 Between Pri. Wdg & Bias

Schematic A
1 9 V in Pri. 2 (Pin 1-3) 3 Sec. 3 (Fb/Bias) 4 6 5 Sec. 1 8 7 Sec. 2 Sec. 3 (Fb/Bias) 1 V in Pri. 2 (Pin 1-3) 3

Schematic B
9 Sec. 4 8 Sec. 2 7 4 6 5 Sec. 1

Shield is optional Pin #2 is not connected in circuit

Package
.590 (15.00) .937 (23.80) .779 (19.80) .197 (5.00)
9 6

.193 (4.90)

.587 (14.90)

PCA EPC3133-X

.669 (17.00)
1 5

.157 (4.00) .025 Sq. (.640) .669 Typ. (17.00)

.098 (2.50) .590 Typ. (15.00)

.197 (5.00)

.138 (3.50)

.551 (14.00)

Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25 PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSC3133-X Rev. 2 7/14/03 FT

TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com

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