Wurth Electronics Midcom, Inc.

Products : Digital : T1/E1

Digital Telecom

T1/E1 Quad Port SMD

Part Number

Turns Ratio Tx

Turns Ratio Rx

Inductance L_Pri (mH)

Extended Temperature Range

RoHS

Mechanical

Schematic

Product Sheet

Spec Sheet

50883R

2.42:1

2.42:1

1.2

ETR

NO

1

5

50903R

2.4:1

1:1

1.2

ETR

NO

1

2

50903R-LF1

2.4:1

1:1

1.2

ETR

YES

1

1

50933R

1CT:1

1CT:1

1.2

ETR

NO

1

1

50934R

1.15CT:1

1CT:1

1.2

ETR

NO

1

1

50935R

1.26CT:1

1CT:1

1.2

ETR

NO

1

1

50936R

1.36CT:1

1CT:1

1.2

ETR

NO

1

1

50937R

1.66CT:1

1CT:1

1.2

ETR

NO

1

1

50938R

1.15CT:1

1.15CT:1

1.2

ETR

NO

1

3

50939R

1.36CT:1

1.15CT:1

1.2

ETR

NO

1

1

50940R

1.36CT:1

1.36CT:1

1.2

ETR

NO

1

3

50941R

1.41CT:1

1.41CT:1

1.2

ETR

NO

1

1

50942R

1CT:1

2CT:1

1.2

ETR

NO

1

4

50942R-LF1

1CT:1

2CT:1

1.2

ETR

YES

1

4

50943R

1.15CT:1

2CT:1

1.2

ETR

NO

1

3

50944R

1.26CT:1

2CT:1

1.2

ETR

NO

1

4

50945R

1.36CT:1

2CT:1

1.2

ETR

NO

1

1

50946R

2CT:1

2CT:1

1.2

ETR

NO

1

1

50946R-LF1

2CT:1

2CT:1

1.2

ETR

YES

1

1

50947R

2.32CT:1

2CT:1

1.2

ETR

NO

1

1

50948R

1.26CT:1

1.26CT:1

1.2

ETR

NO

1

1

50948R-LF1

1.26CT:1

1.26CT:1

1.2

ETR

YES

1

1

51061R

2.4:1

1CT:1

1.2

ETR

NO

1

3

51351R

2CT:1

1CT:2

1.2

ETR

NO

1

6

51351R-LF1

2CT:1

1CT:2

1.2

ETR

YES

1

6

* If RoHS version is not listed, please contact Wurth Electronics Midcom,Inc.

Features
	RoHS compliant versions available
	Industry standard PDFP-G40 package
	Transfer molded for high reliability
	Meets ITU G.703 ISDN-Primary rate recommendations
	Operating temperature range of -40^oC to +85^oC
	Matched to IC manufacturers' transcievers
	Designed for UL 1459 and UL 1950
	Designed for IEC950
	100 ohm line

Mechanical Drawings

1

Schematics

1

2

3

4

5

6