27111 Aliso Creek Road, Suite 175

AlisoViejo,California92656

Phone:

(714)362-4211

Fax:

(714)362-4212

M

Magnetics Inc.

Specifications subject to change without notice.

21

DIP & SMD PACKAGE TOKEN RING TRANSFORMERS

FEATURES

Ê UTP / STP, 4 & 16mbt Applications

Í Fast Rise Times on All Units

Ë Low Insertion Loss (1-32MHz)

Î 2000Vrms Minimum Isolation Voltage

Ì Excellent CMMR of -60db Min. @ 1MHz

Ï Single or Dual Core DIP/SMD Packages

Package

&

Schematic

TURNS

RATIO

(± 5%)

PM-TRA20

1:1:2:2

125

10.0

10.0

.10

2000

.4

.8

A

PM-TRA21

1:1:1:1

125

10.0

10.0

.10

2000

.4

.4

A

PM-TRA22

1:1:1:1

1000

10.0

15.0

.25

2000

1.0 1.0

A

PM-TRX26

1:1:2:2

125

10.0

10.0

.10

2000

.4

.8

B & G

PM-TRX27

1:1:1:1

125

10.0

10.0

.10

2000

.4

.4

B & G

PM-TRX28

1:1:1:1

1000

10.0

15.0

.25

2000

1.0 1.0

B & G

PART

NUMBER

DCR

(Ohms Max.)

Pri

Sec

PRIMARY

OCL

(µµµµµH Typ.)

RISE

TIME

(ns Max.)

PRI-SEC

Cw/w

(pf Max.)

PRI / SEC

L

L

(µµµµµH Max.)

HIPOT

(Vrms Min)

DUAL CORE PACKAGE "B" (PM-TRBXX) 16-PIN THROUGH HOLE DIP

9

12

16

15

7

15

13

10

4

28

3

14

11

6

PRIMARY

SECONDARY

PRIMARY

SECONDARY

.500

(12.70)

MAX

.210

(5.33)

MAX

.120

(3.05)

MIN

.020 (.51)

.010 (.25)

.300

(7.62)

.340

(8.64)

.008R

(0.20)

.010

(0.25)

.280

(7.11)

MAX

.100

(2.54)

TYP

.020

(0.51)

TYP

.050

(1.27)

TYP

PIN#1

DOT

o

3 TYP

o

15 TYP

.010

(0.25)

TYP

.370 (9.40)

.020 (0.51) MIN.

.019

(0.48)

TYP

.050

(1.27)

TYP

.210

(5.33)

MAX

.280

(7.11)

MAX

.500

(12.70)

MAX

PIN#1

DOT

.010 (.25)

.004 (.10)

SINGLE CORE PACKAGE "A" (PM-TRAXX) 8-PIN THROUGH HOLE DIP

8

1

3

6

2

4

75

PRIMARY

SECONDARY

DUAL CORE PACKAGE "G" (PM-TRGXX) 16-PIN GULL-WING SURFACE MOUNT

9

12

16

15

7

15

13

10

4

28

3

14

11

6

PRIMARY

SECONDARY

PRIMARY

SECONDARY

(7.62)

.340

(8.64)

.008R

(0.20)

.010

(0.25)

.280

(7.11)

MAX

.120

(3.05)

MIN

.210

(5.33)

MAX

.020 (.51)

.010 (.25)

.100

(2.54)

TYP

.020

(0.51)

TYP

.050

(1.27)

TYP

.880

(22.35)

MAX

PIN#1

DOT

Fill in X with desired package:

B = 16-Pin Through Hole DIP

G = 16-Pin Gull-Wing SMD

INSERTION LOSS:

RETURN LOSS:

0.9 - 40MHz: 1.0dB Max.

1 - 8MHz: 22dB Min.

1.4 - 31MHz: 0.40dB Max.

8 - 16MHz: 20dB Min.

2.2 - 20MHz: 0.20dB Max.

16 - 24MHz: 18dB Min.