58T series is specifically designed for the telecommunication module and can protect IC side circuit on each channel to suppress low voltage transients.

Welcome custom orders of all kinds of designs and we can give you the satisfied prices and the quality. (read more)

15T series are designed for T3、DS3、E3 andSTS-1 equipments , but they also can be used in PLC (Power line communication)

and BPL (Broadband over PowerLine) applications. Engineers are facing the challenges of network design every day and YDS' customized ability can help engineers to lighten their burden , as soon as possible finished their design works. Customer just n... (read more)

RFI Corporation manufactures custom telecom transformers to match your specifications. (read more)

Go to Premier Magnetics to see a wide range of T1-T3 Tranformers, including:

• T1/E1/CEPT/ISDN-PRI
• T1/CEPT DUAL Port SMD
• T1/CEPT QUAD Port SMD
• T1/E1/CEPT 2KV-Dual Core SMD
• T3/DS3/E3/STS-1 Interface
  

PM-DSLxx Series:

• Thru-Hole or SMD Package
• 1500Vrms Minimum Isolation Voltage
• UL, IEC & CSA Insulation System
• Operating Temperature Range: -40 to +85C
• Extended Temperature Range Versions
• 122 Part Numbers
• Part Numbers are UL1950 & CSA-950 Recognized Under UL File # E162344, or Pending

• Designed for 10/100MB/sec Transmission over UTP-5 Cable, IEEE 802.3u & ANSI X3.236-1995
• Supports All Fast Ethernet Chip Sets Requiring a 1:1 Transmit/Receive Turns Ratio
• Provides Cable Interface, Isolation & Common-Mode Filtering Required by the PMD Sublayer
• All Units Meet 1500Vrms Input-to-Output Isolation

10/100 Base-T 16-Pin Isolation Transformer, Small Outline Package

• Designed for 10/100 Base-T Applications
• 18 Models to Choose From (PM-10xx Series)
• Compliant with IEEE 802.3 Standard
• 1500 - 3000V IEC950 Isolation Voltages
• Available With or Without Common-Mode Chokes
• Fast Rise Times

• ISDN-S 2000V Through Hole Interface--12 Part Nos. (Models PM-IS01 - PM-IS12)
• ISDN-S 2000V SMD Interface--6 Part Nos. (Models PM-IS42 - PM-IS47)
• ISDN-U 1500V & 3000V--9 Part Nos. (PM-IU04 - PM-IU26)
  

• High-Speed DSL Isolation Transformers
  

• Coupled Inductors for ADSL POTS Low-Pass Filters
  

• Common-Mode Filters for Telecom & LAN Networking
• General Isolation Transformers for Data Networking
• Wideband RF, FDDI & Gigabit Copper, 3KV Reinforced Coupling Transformers
• Transformer for Digital Audio Data Transmission