E L E C T R O N I C S I N C .

Isolation Transformer

TEL: (818) 892-0761

FAX: (818) 894-5791

http://www.pca.com

PCA ELECTRONICS, INC.

16799 SCHOENBORN ST.

NORTH HILLS, CA 91343

• Used in SMPS Push-Pull Topology

• Add “-LF” after part number for Lead-Free

• Storage Temperature : -40°C to +125°C

• Operating Temperature : 0°C to +70°C

• UL 94V-0 Recognized Components

• UL 1446 Class B Insulation System

• 500 Vrms Minimum Isolation

• PCMCIA Package

EPA3803S & EPA3803S-LF

Product performance is limited to specified parameters. Data is subject to change without prior notice.

Electrical Parameters @ 25° C

Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25

CSA3803S & -LF

Rev. 3

3/11/08 WC

Schematic

1

2

3

4

5

6

7

8

Pri.

Sec.

1:1.3

1:1.3

Package

Pin 1

I.D.

.150

(3.81)

.088 Max. (2.24)

.270

(6.86)

.050

(1.27)

.035

(.889)

.290

(7.37)

.018/.022

(.457/.559)

.090

(2.29)

.050

(1.27)

.030

(.762)

.420

(10.67)

.365

(9.27)

Marking :

PCA

EPA3803S(-LF)

Date Code

Pad

Layout

.070

(1.78)

0°-8°

.008/.012

(.203/.304)

.005/.015

(.127/.381)

Primary OCL

(µH Typ.)

@ 100 KHz, 0.1 Vrms

240

Pins 1-2

12

Interwinding Capacitance

(pF Max.)

@ 100 KHz, 0.1 Vrms

Pri. Wdgs to Sec. Wdgs

0.4

Leakage Inductance

(µH Max.)

@ 1 MHz, 0.1 Vrms

Pins 1-2 with

Pins 3, 4, 5, 6, 7, 8 Shorted

Pri. DCR

(

Ω Max.)

0.6

Pins 1-2 &

Pins 3-4

5.0

Vt

(V-µSec.)

@ 500 KHz Typ.

Notes :

1. Lead Finish

2. Peak Solder Rating

4. Weight

5. Packaging Information

(Tube)

EPA3803S

SnPb

225°C

0.250 grams

78 pcs / tube

3. Moisture Sensitive Levels (MSL)

1

(Unlimited,

≤30°C/60%RH)

EPA3803S-LF

Hot Dipped Sn or SAC

260°C

0.250 grams

78 pcs / tube

1

(Unlimited,

≤30°C/60%RH)