T1/E1 Transformer

CSR1087G

Rev.

5/1/00

• Designed for use with PMC-Sierra’s PM4351 Comet •

• Meets UL1459 requirements •

• Robust Construction allows IR/VP reflow processes •

• 1500 Vrms Isolation •

Schematic

EPR1087G

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

TEL: (818) 892-0761

FAX: (818) 894-5791

http://www.pca.com

PCA ELECTRONICS, INC.

6799 SCHOENBORN ST.

NORTH HILLS, CA 91343

A

B

C

D

E

F

G

H

I

J

K

L

M

N

P

Q

Dim.

Min.

.460

.410

.360

---

.015

---

.520

.022

.012

---

8°

.045

---

---

---

--

Max.

.450

.400

.350

.200

.013

.100

.510

.020

.010

.125

---

.035

.030

.100

.085

.570

Nom.

(Inches)

(Millimeters)

11.85

9.90

8.63

---

.254

---

12.70

.457

.203

---

0°

.635

---

---

---

---

Min.

11.68

10.41

9.14

---

.381

---

13.20

.559

.305

---

8°

1.14

---

---

---

---

Max.

11.43

10.16

8.89

5.08

.330

2.54

12.95

.508

.254

3.16

---

.889

.762

2.54

2.16

14.48

Nom.

.440

.390

.340

---

.010

---

.500

.018

.008

---

0°

.025

---

---

---

---

Dimensions

Package

Electrical Parameters @ 25° C

Frequency

Response

(dB Typ.)

0.1-2.5 MHz

-0.1

1

3

6

4

5

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

Sec.

Pri.

Pri. OCL

(mH Min.)

Pins 6-4

2.3

10KHz,1Vrms

10KHz,1Vrms

2

Leakage

Inductance

(µH Max.)

Pins 6-4 w/

1-3 Shorted

Return

Loss

(dB Typ.)

100KHz

-32

200-300KHz

-35

500KHz

-32

1MHz

-28

2.5 MHz

-22

Longitudinal

Balance

(dB Min.)

0.1-2.5 MHz

35

Per FCC Method

DCR

(

Ω ±10%)

Pri.

Sec.

0.55

0.215

Pins

6-4

Pins

1-3

Turns

Ratio

(± 2%)

Pri. : Sec.

2.42:1

Pins 6-4

to 1-3

G

K

L

I

Solder Pad

Layout

Q

N

M

P

C

F

H

E

PCA

EPR1087G

D.C.

A

B

J

D

Pin 1

I.D.

• Primary Impedance : 100

Ω • Secondary Impedance : 17Ω •