May 7, 2007

DATATRONIC

Email: ddisales@datatronics.com

499 King’s Road, Hong Kong Tel: (852) 2562 3858, (852) 2564 8477 Fax: (852) 2565 7214, (852) 2563 1290

All specifications are subject to change without notice.

Schematic Figure A

PRI

SEC

Schematic Figure B

MILLIMETERS .XX

INCHES .XXX

SEC

PRI

6

5

2

1

6

5

2

1

5

62

1

5

6

2

1

8.89 MAX

.350

12.70 MAX

.500

8.63

.340

2.28 MIN

.090

12.70 MIN

.500

6.60 MAX

.350

5.08

.200

10.16

.400

8.89 MAX

.350

12.70 MAX

.500

.56

.022

ELECTRICAL SPECIFICATIONS AT 25ºC

Part

Number

Turns

Ratio

(+/-2%)

Primary

Inductance

(uH Min)

ET Product

VµSec (Min)

Leakage

Inductance

(MAX) µH

Interwinding

Capacitance

(MAX) pF

DCR PRI/SEC

OHM (MAX)

Schematic

Figure

PT10710

PT10711

PT10712

PT10713

PT10714

PT10715

PT10716

PT10717

PT10718

PT10719

1:1

1:1

1:1

1:1

1:1

1:1

1:1

1:1

1:1

1:1

5000

2000

1000

500

350

200

100

50

20

10

25.0

20.0

15.0

11.0

8.0

7.0

6.0

5.5

4.0

3.5

0.70

0.60

0.45

0.30

0.30

0.25

0.25

0.20

0.20

0.20

50.0

35.0

30.0

20.0

16.0

12.0

12.0

10.0

8.0

8.0

1.50

1.50

0.80

0.80

0.50

0.50

0.40

0.40

0.30

0.30

A

A

A

A

A

A

A

A

A

A

PT10720

PT10721

PT10722

PT10723

PT10724

PT10725

PT10726

PT10727

PT10728

PT10729

1:1

1:1

1:1

1:1

1:1

1:1

1:1

1:1

1:1

1:1

5000

2000

1000

500

350

200

100

50

20

10

25.0

20.0

15.0

11.0

8.0

7.0

6.0

5.5

4.0

3.5

0.70

0.60

0.45

0.30

0.30

0.25

0.25

0.20

0.20

0.20

50.0

35.0

30.0

20.0

16.0

12.0

12.0

10.0

8.0

8.0

1.50

1.50

0.80

0.80

0.50

0.50

0.40

0.40

0.30

0.30

B

B

B

B

B

B

B

B

B

B

Notes:

1.

Alternative values of Inductance, ET-Constant and Turns Ratio are also available.

2.

For non-RoHS parts replace DR prefix with 42- (e.g. PT10710 becomes 42-10710)

3.

Terminal finish is compliant to RoHS requirements

107 SERIES PULSE TRANSFORMERS FOR DATA NETWORKING

These toroidal core transformers are fully encapsulated in molded cases with UL94V-0

rating. They are used in digital data processing, line coupling, matching and isolation.

Tinned leads with leaded solder is available (note 2)

Ratings

Peak Voltage

: 100V

Average Power Rating (40°C Rise)

: 500 mW

High Dielectric withstanding Voltage

: 1000 Vrms

Insulation Resistance

: 10,000 MegΩ

± .25

± .010