UL Telecom Transformers

10/100 Base-TX Quad Port Transformer -- PM-8036
from Premier Magnetics, Inc.

Designed for 10/100MB/s Transmission Over UTP-5 Cable, IEEE 802.3u & ANSI X3.236-1995. Maintains > 350uHY Primary OCL with an 8mA bias over the full temp range of 0 to +70 O C. Supports all leading Fast Ethernet Chip Sets that require a 1:1 Transmit & Receive Turns Ratio. Provides the... [See More]

  • Standards / Compliance: UL
  • Maximum Dimension: 2.86
  • Insertion Loss: -0.5000
  • Operating Temperature: 0 to 70
Modem Transformer -- SM75570
from Datatronics™

Feature. Designed for use of Conexant Smart HSF FFI Chipset. Approved to UL1950 and BABT EN60950. SMT package. Small size. [See More]

  • Standards / Compliance: RoHS; UL
  • Maximum Dimension: 1.26
  • DCR: 0.2000 to 0.4000
  • Package Type: Surface Mount
Voice/Modem Line Transformer -- TTC-5019
from Tamura Corporation of America

• Approved to UL1950 3rd Edition. • Approved to UL60950 & EN60950. • Hi-Pot 1500Vrms Pri:Sec [See More]

  • Standards / Compliance: UL
  • Insertion Loss: 4
  • Operating Frequency: 200 to 4000
  • DCR: 170
Telecomm Transformer, TAP Series
from Standex-Meder Electronics

TAP Series Telecomm Transformers are audio matching telecommunications line frequency magnetics designed for PC board (PCB) mount and feature an economical open P.C. frame mounting with bifilar winding for capacitive and resistive balance. Frequency response 200Hz to 15KHz and insertion loss less... [See More]

  • Standards / Compliance: CSA; UL
  • Insertion Loss: 1.5
  • Operating Frequency: 200 to 15000
  • Package Type: Through Hole Plug-in
Modem Transformer -- SM76000
from Datatronics™

Feature. Designed for Conexant SMART HCF FFI Chipset. UL1950 / EN60950 and BABT approved. SMT package. Small size [See More]

  • Standards / Compliance: RoHS; UL
  • Maximum Dimension: 1.47
  • DCR: 0.2000 to 0.4000
  • Package Type: Surface Mount
Voice/Modem Line Transformer -- TTC-5023
from Tamura Corporation of America

• Highest Density Package Available. • Approved to UL1950 3rd Edition. • Approved to UL60950 & EN60950. • Surface Mount. • Vacuum Encapsulated. • Pri:Sec Hi-Pot=1500Vrms and Higher. • Surge Voltage [See More]

  • Standards / Compliance: RoHS; UL
  • Insertion Loss: 2
  • Operating Frequency: 200 to 4000
  • DCR: 115
Surface Mount Telecom Transformer -- SM501-1
from Datatronics™

Feature. Subminature in SMT. 7.1mm Seated Height. Vacuum Encapsulated. Tested at 4600VRMS. UL60950-1 Listed. BS415 approval for SM-LP5001**. Weight about 2 grams [See More]

  • Standards / Compliance: RoHS; UL
  • Maximum Dimension: 1.25
  • DCR: 115
  • Operating Temperature: -20 to 85
Voice/Modem Line Transformer -- TTC-511
from Tamura Corporation of America

• Optimized for High Speed Modem Applications. • Frequency Range 300Hz to 4kHz. • 1500 Vrms Hi-Pot (Pri:Sec). • Approved to UL1950 3rd Edition. • PCMCIA Packages. • Approved to UL60950 & EN60950 [See More]

  • Standards / Compliance: UL
  • Insertion Loss: 3.8
  • Operating Frequency: 300 to 3500
  • DCR: 150