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

T1/E1 and ISDN-PRI Transformer

TEL: (818) 892-0761

FAX: (818) 894-5791

http://www.pca.com

PCA ELECTRONICS, INC.

16799 SCHOENBORN ST.

NORTH HILLS, CA 91343

• UL94V-0 Recognized Materials

• UL1446 Class B Insulating System

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

• Surface Mount Package

• 1500 Vrms Isolation

EPA4027S

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

CSA4027S Rev. -

1/26/05 FT

Schematics

Package

.365

(9.27)

0°-8°

.035

(.889)

.008/.012

(.203/.305)

Solder Pad

Layout

.405

(10.29)

.050

(1.27)

.030

(.762)

.085

(2.16)

.190

(4.82)

.050

(1.27)

.018/.022

(.457/.559)

.005/.010

(.127/.254)

PCA

EPA4027S

D.C.

.490

(12.45)

.270

(6.86)

.070

(1.78)

.350

(8.89)

Pin 1

I.D.

1

2

3

7

6

16

14

11

10

9

8

15

2CT:1CT

1CT:1.36CT

Primary Inductance

(mH Typ.)

Interwinding Capacitance

(pF Max.)

Leakage Inductance

(µH Max.)

DCR

(

Ω Max.)

Pins 6-8

1.2

A

30

B

30

0.4

A

Pri.

B

0.4

Pri.

0.7

A

Pri.

0.7

B

1.2

Pins 16-14

Sec.

Pri.

Sec.

Pri.

A

B

Crosstalk

(dB Typ.)

-60

0.1-10 MHz