October 12, 2006

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.

PT312 Series HDSL2 Transformers

For Level One SK70740/1/2Chipsets

•

Designed to meet ANSI and ETSI requirement

•

Excellent THD performance

•

Available in both SMD and Through Hole

•

1500Vrms Minimum Isolation

•

Operating Temperature –40 to +85

•

Custom Design for Other Pinouts and Dimensions are available

•

Tinned Leads with Leaded Solder is Available (note 1)

Electrical Specification 1:

Datatronic

Part Number

T/R (Chip:Line)

+/-1%

Line Side Inductance

(mH)

Leakage Inductance

(uH

, Max.)

Interwinding Capacitance

(pF

, Max.)

Package

PT31201

1:2.3

2.0 +/-10%

35

60

1

PT31202

1:2.3

2.0 +/-10%

35

60

2

Electrical Specification 2:

Datatronic

Part Number

THD

Typ. @100KHz, 5V

Chip Side DCR

(

Ω, Max.)

Line Side DCR

(

Ω, Max.)

Hipot Vrms

(Min.)

PT31201

-75dB Min.

0.5

1.0

1500

PT31202

-75dB Min.

0.5

1.0

1500

SCHEMATICS