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

T1/CEPT/ISDN-PRI

Carrier Interface Transformers

TEL: (818) 892-0761

FAX: (818) 894-5791

http://www.pca.com

PCA ELECTRONICS, INC.

16799 SCHOENBORN ST.

NORTH HILLS, CA 91343

• Isolation at PBX and Terminals

• Dual Package Configuration

• 1500 Vrms Isolation

EPA1071-EPA1074

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

CSA1071-CSA1074

Rev. 2

7/21/03

OCL

(mH Min.)

1.20 & 1.20

1.20 & 1.20

2.00 & 2.00

1.20 & 1.20

Leakage

Inductance

(µH Max.)

0.50 & 0.50

0.50 & 0.80

0.60 & 0.60

0.55 & 0.50

1:2CT & 1:2CT

1:2CT & 1:1.36

1:2CT & 1:2CT

1CT:2CT & 1:1

Turns Ratio

(± 5%)

Pri.:Sec.

PCA

Part

Number

EPA1071

EPA1072

EPA1073

EPA1074

1.20 & 1.20

1.20 & 1.00

1.20 & 1.20

1.20 & 0.70

30 & 30

35 & 35

45 & 45

30 & 30

Interwinding

Capacitance

(pF Max.)

DCR

(

Ω Max.)

0.70 & 0.70

0.80 & 0.80

0.70 & 0.70

0.70 & 0.70

Schematic

A

C

B

D

Package

Schematic A

13

2

12

14

10

8

9

7

5

Schematic B

13

2

12

14

57

6

8

10

Schematic C

13

2

12

14

10

8

7

5

Schematic D

13

2

10

8

7

5

12

14

12

PCA

EPA107X

D.C.

.375

(9.52)

.790

(20.07)

.240

(6.10)

.100

(2.54)

.300

(7.62)

.110/.140

(2.79/3.57)

.013/.017

(.330/.432)

.200

(5.08)

.600

(15.24)

.017/.023

(.432/584)

1

14

8

7

Bottom View

.300

(7.62)