For other values & Custom Designs, contact factory.

Specifications subject to change without notice.

15801 Chemical Lane, Huntington Beach, CA 92649-1595

Tel: (714) 898-0960 • Fax: (714) 896-0971

Rhombus

Industries Inc.

28

FASTETHR - 1/99

100 BASE-T / FAST ETHERNET

SINGLE TRANSFORMERS

Part

Turns Ratio

Number

Transmit

Receive

T-15500

1.41CT:1CT

1CT:1CT

T-15501

2CT:1CT

1CT:1CT

T-15502

1.25CT:1CT

1CT:1CT

OCL (100KHz & 100 mV

Leakage Inductance .............................................. 0.40

µH Max.

C

20 pF Nom.

DCR .......................................................................... 0.9

Ω Max.

Rise Time ................................................................ 2.5 ns Nom.

Cross Talk (0.1-100 MHz) ......................................... -38 dB Min.

CMR (0.1-100MHz) ................................................. -40 dB Nom.

Isolation ............................................................... 1500 V

Designed for 100 Base-X and Twisted Pair FDDI

Supports 155Mbps ATM applications over UTP-5 cable

Dual Module (Transmit and Receive channels)

IEEE 802.3 Compatible

Low common mode emisions

Fast Rise Times

100 BASE-T / FAST ETHERNET

DUAL TRANSFORMERS

Physical Dimensions in inches (mm)

(Unused Pins Omitted)

Available on

Tape & Reel

MAX.

.260

(6.60)

MAX.

.300

(7.62)

MAX.

.900

(22.86)

.020

(0.51)

TYP.

.100

(2.54)

TYP.

.510 (12.95)

.480 (12.19)

MAX.

.410

(10.41)

.040

(1.02)

TYP.

.010

(0.25)

TYP.

1

3

2

7

5

6

16

14

15

10

11

12

TX

RX

Schematic

Designed for 100 Base-X and Twisted Pair FDDI

Supports 155Mbps ATM applications over UTP-5 cable

Supports either transmit or receive channels

IEEE 802.3 Compatible

Low common mode emisions

Fast Rise Times

8

10

9

16

15

1

Schematic

OCL (100KHz & 100 mV

Leakage Inductance .............................................. 0.40

µH Max.

C

0 pF Nom.

DCR .......................................................................... 0.9

Ω Max.

Rise Time ................................................................ 2.5 ns Nom.

Cross Talk (0.1-100 MHz) ......................................... -38 dB Min.

CMR (0.1-100MHz) ................................................. -40 dB Nom.

Isolation ............................................................... 1500 V

Part

Turns

Number

Ratio

T-15527

2CT:1CT

T-15528

1.25CT:1CT

Part

Turns

Number

Ratio

T-15525

1CT:1CT

T-15526

1.41CT:1CT

Available on

Tape & Reel

.015

(0.38)

TYP.

.505

(12.83)

MAX.

.016

(0.41)

TYP.

.205

(5.21)

MAX.

.360 (9.14)

.380 (9.65)

.285

(7.24)

MAX.

.025

(0.64)

TYP.

.050

(1.27)

TYP.

.010

(0.25)

TYP.

Dimensions in Inches (mm)