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

Surface Mount Power Transformer

TEL: (818) 892-0761

FAX: (818) 894-5791

http://www.pca.com

PCA ELECTRONICS, INC.

16799 SCHOENBORN ST.

NORTH HILLS, CA 91343

Features of the EFD15-6 Series

• Selected models can be used in SMPS Forward,

Push-Pull or Half & Full Bridge Topology

• UL1446 Class B Insulating System

• UL 94V-0 Recognized Material

• Very Low Core Loss Materials

• Very Low Leakage Inductance

EPC3018G-EPC3019G

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

Primary Specification

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

CSC3018G-CSC3019G

Rev. 2

12/18/02

Package EFD15-6

.492

(12.50)

.098

(2.50)

.646 Max.

(16.40)

.709

MAX.

(18.00)

Pin 1

I.D.

1

12

6

7

.028

(.700)

PCA

EPC30XXG

D.C.

.837

(21.25)

.072

(1.82)

0°-8°

.012

(.300)

.315 Max.

(8.00)

.016

(.400)

Schematic

5

4

7

8

9

6

2

1

10

11

12

3

1:1:1:1:1:1

Notes :

1. Ns = Number of series connections

2. Np = Number of parallel connections

3. Ks = Ns x

6/Ns

4. Kp =

6/Np

Connection

Series

Parallel

Single Wdg

Series

Parallel

Single Wdg

Part

Number

EPC3018G

EPC3019G

Irms

(Amps)

4.4 /Ks

4.4 /Kp

1.8

5.3 /Ks

5.3 /Kp

2.17

DCR

(

Ω Max.)

.083 xNs

.083 /Np

.083

.057xNs

.057 /Np

.057

Temp. Rise

@ Irms

(°C Typ.)

39

39

39

39

39

39

Vt 1

(V-µSec. Max.)

62.5 xNs

62.5

62.5

43 xNs

43

43

Inductance

(µH ± 25%)

@ 0 Adc

131.8 x(Ns)

131.8

131.8

63.2 x(Ns)

63.2

63.2

2

2

• Switching Frequency : Up to 1 MHz • Isolation : 500 Vrms •