Telecommunication Products

Pulse Electronics Telecommunication Products are designed for telecom infrastructure equipment, customer premises equipment, audio interface, and VoIP applications. Pulse Electronics Telecommunication Products include a broad portfolio of transformers and integrated transformer modules. The products support T1/E1/ISDN-PRI, T3/E3/STS-1, ISDN-S, ISDN-U, digital audio, and DDS.

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Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Type
Termination Style
Frequency Range
Inductance
Primary Impedance
Secondary Impedance
Isolation Voltage
Minimum Operating Temperature
Maximum Operating Temperature
Number of Channels
Application
Length
Width
Height
Packaging
Pulse Electronics Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por
Datasheet
1,327In Stock
Min.: 1
Mult.: 1

ISDN Transformers Module Through Hole 1 MHz to 100 MHz 1.2 mH 1.5 kV 0 C + 70 C Dual T1/CEPT/ISDN-Pri 12.7 mm 8.89 mm 6.35 mm Tube
Pulse Electronics Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1.2Ohm 1-Por
Datasheet
680In Stock
Min.: 1
Mult.: 1

ISDN Transformers Module Through Hole 1 MHz to 100 MHz 1.5 kV 0 C + 70 C Single T1/CEPT/ISDN-Pri 12.7 mm 8.89 mm 6.35 mm Tube
Pulse Electronics Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por
Datasheet
395In Stock
Min.: 1
Mult.: 1

ISDN Transformers Module Through Hole 500 nH 700 mOhms 700 mOhms 1.5 kV 0 C + 70 C Dual T1/CEPT/ISDN-Pri 12.7 mm 8.89 mm 6.35 mm Tube
Pulse Electronics Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por
Datasheet
1,200Expected 2026-04-13
Min.: 1
Mult.: 1

ISDN Transformers Module SMD/SMT 1 MHz to 100 MHz 1.5 kV 0 C + 70 C Dual T1/CEPT/ISDN-Pri 12.83 mm 7.11 mm 6.22 mm Tube
Pulse Electronics Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1.1Ohm 1-Por
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1,050
Mult.: 35

ISDN Transformers Module Through Hole 800 nH 700 mOhms 1.1 Ohms 1.5 kV 0 C + 70 C Single T1/CEPT/ISDN-Pri 14.22 mm 14.22 mm 10.2 mm Tube
Pulse Electronics Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH 4-Port
Datasheet
Lead-Time 9 Weeks
Min.: 1
Mult.: 1

ISDN Transformers Module SMD/SMT 50 kHz to 3 MHz 1.2 mH 1.5 kV - 40 C + 85 C Octal T1/E1/CEPT/ISDN-Pri 28.58 mm 16.26 mm 12.19 mm Tube