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  • Transformers
  • Pulse Transformers
Mounting TypePackage / CaseSupplier Device PackageApprovalsBase Product NumberBrandDimensionsFactory Pack QuantityFactory Pack QuantityManufacturerManufacturer Part NumberMaximum Operating TemperatureMfrMinimum Operating TemperatureMoisture SensitiveMountingMSLPackagePart # AliasesProduct StatusRoHSOperating TemperaturePackagingSeriesSize / DimensionTypeApplicationsSubcategoryCurrent RatingTermination StyleFunctionNumber of OutputsVoltage - Input (Max)Output TypeVoltage - Input (Min)NoteNumber of ChannelsInductanceOutput ConfigurationCurrent - OutputVoltage - Output (Min/Fixed)TopologyFrequency - SwitchingSynchronous RectifierProduct TypeVoltage - Output (Max)Frequency RangeTransformer TypeTurns Ratio - Primary:SecondaryProductET (Volt-Time)FeaturesProduct CategoryHeightHeight Seated (Max)LengthWidth
Mounting TypePackage / CaseSupplier Device PackageApprovalsBase Product NumberBrandDimensionsFactory Pack QuantityFactory Pack QuantityManufacturerManufacturer Part NumberMaximum Operating TemperatureMfrMinimum Operating TemperatureMoisture SensitiveMountingMSLPackagePart # AliasesProduct StatusRoHSOperating TemperaturePackagingSeriesSize / DimensionTypeApplicationsSubcategoryCurrent RatingTermination StyleFunctionNumber of OutputsVoltage - Input (Max)Output TypeVoltage - Input (Min)NoteNumber of ChannelsInductanceOutput ConfigurationCurrent - OutputVoltage - Output (Min/Fixed)TopologyFrequency - SwitchingSynchronous RectifierProduct TypeVoltage - Output (Max)Frequency RangeTransformer TypeTurns Ratio - Primary:SecondaryProductET (Volt-Time)FeaturesProduct CategoryHeightHeight Seated (Max)LengthWidth
Bel Fuse Inc 257581
Mfr.
257581
Twicea
106-958-257581
Bel Fuse Inc
Pulse Transformer LAN 1000BT 350uH, 1CT:1CT TX, 1CT:1CT RX SMD
    Min.:1
    Mult.:1
    SMD - - - - - 13,26x15,24x6,35mm - - - - - - - - n/a - - - Yes 0...+70°C - S558 - LAN 1000Base-T - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
    257581
    257581

    106-958-257581 Bel Fuse Inc
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    Bel Fuse Inc 257547
    Mfr.
    257547
    Twicea
    106-958-257547
    Bel Fuse Inc
    Pulse Transformer LAN 110uH, 1CT:2CT TX, 1CT:1CT RX SMD
      Min.:1
      Mult.:1
      SMD - - - - - 12,7x7,24x5,72mm - - - - - - - - n/a - - - Yes 0...+70°C - S553 - LAN 10Base-T - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
      257547
      257547

      106-958-257547 Bel Fuse Inc
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      Bel Fuse Inc 257565
      Mfr.
      257565
      Twicea
      106-958-257565
      Bel Fuse Inc
      Pulse Transformer LAN 420uH, 1CT:1CT SMD
        Min.:1
        Mult.:1
        SMD - - - - - 12,32x7,24x5,72mm - - - - - - - - n/a - - - Yes - - S558 - LAN 10Base-T - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
        257565
        257565

        106-958-257565 Bel Fuse Inc
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        Bel Fuse Inc 257589
        Mfr.
        257589
        Twicea
        106-958-257589
        Bel Fuse Inc
        Pulse Transformer SHDSL 3mH SMD
          Min.:1
          Mult.:1
          SMD - - - - - 13,72x14,86x12,7mm - - - - - - - - n/a - - - Yes -40...+85°C - S560 - SHDSL - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
          257589
          257589

          106-958-257589 Bel Fuse Inc
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          Bel Fuse Inc 257588
          Mfr.
          257588
          Twicea
          106-958-257588
          Bel Fuse Inc
          Pulse Transformer
            Min.:1
            Mult.:1
            - - - - - - - - - - - - - - - n/a - - - Yes - - S559 - - - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
            257588
            257588

            106-958-257588 Bel Fuse Inc
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            Bel Fuse Inc 257556
            Mfr.
            257556
            Twicea
            106-958-257556
            Bel Fuse Inc
            Pulse Transformer T1/E1 (Quad) 1.5mH, 1CT:2CT TX, 1:2CT RX SMD
              Min.:1
              Mult.:1
              SMD - - - - - 27,94x12,09x5,99mm - - - - - - - - n/a - - - Yes -40...+85°C - S553 - T1/E1 - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
              257556
              257556

              106-958-257556 Bel Fuse Inc
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              Bel Fuse Inc 257576
              Mfr.
              257576
              Twicea
              106-958-257576
              Bel Fuse Inc
              Pulse Transformer LAN 10/100BT 350uH, 2CT:1CT TX, 1CT:1CT RX SMD
                Min.:1
                Mult.:1
                SMD - - - - - 12,32x7,24x5,72mm - - - - - - - - n/a - - - Yes 0...+70°C - S558 - LAN 10/100Base-T - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
                257576
                257576

                106-958-257576 Bel Fuse Inc
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                Bel Fuse Inc 257584
                Mfr.
                257584
                Twicea
                106-958-257584
                Bel Fuse Inc
                Pulse Transformer LAN 10/100BT 350uH, 1CT:1CT TX, 1CT:1CT RX SMD
                  Min.:1
                  Mult.:1
                  SMD - - - - - 25,4x9,91x5,97mm - - - - - - - - n/a - - - Yes -40...+85°C - S558 - LAN 10/100Base-T - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
                  257584
                  257584

                  106-958-257584 Bel Fuse Inc
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                  Bel Fuse Inc 257557
                  Mfr.
                  257557
                  Twicea
                  106-958-257557
                  Bel Fuse Inc
                  Pulse Transformer 40µH, 60µH, 80µH 1:1 SMD
                    Min.:1
                    Mult.:1
                    SMD - - - - - 7,62x7,24x5,72mm - - - - - - - - n/a - - - Yes -40...+85°C - S554 - - - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
                    257557
                    257557

                    106-958-257557 Bel Fuse Inc
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                    Bel Fuse Inc 257553
                    Mfr.
                    257553
                    Twicea
                    106-958-257553
                    Bel Fuse Inc
                    Pulse Transformer T1/E1 (Octal) 1,5mH/1,8mH, 1:2 TX, 1:1 RX SMD
                      Min.:1
                      Mult.:1
                      SMD - - - - - 27,94x12,09x5,99mm - - - - - - - - n/a - - - Yes -40...+85°C - S553 - T1/E1 - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
                      257553
                      257553

                      106-958-257553 Bel Fuse Inc
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                      Bel Fuse Inc 257586
                      Mfr.
                      257586
                      Twicea
                      106-958-257586
                      Bel Fuse Inc
                      Pulse Transformer LAN 10/100BT 350uH, 1CT:1CT TX, 1CT:1CT RX SMD
                        Min.:1
                        Mult.:1
                        SMD - - - - - 27,94x12,19x5,38mm - - - - - - - - n/a - - - Yes -40...+85°C - S558 - LAN 10/100Base-T - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
                        257586
                        257586

                        106-958-257586 Bel Fuse Inc
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                        Bel Fuse Inc 257545
                        Mfr.
                        257545
                        Twicea
                        106-958-257545
                        Bel Fuse Inc
                        Pulse Transformer LAN 10G Base-T 110uH, 1:1 TX, 1:1 RX SMD
                          Min.:1
                          Mult.:1
                          SMD - - - - - 12,7x7,24x5,72mm - - - - - - - - n/a - - - Yes - - S553 - LAN 10G - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
                          257545
                          257545

                          106-958-257545 Bel Fuse Inc
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                          Bel Fuse Inc 257563
                          Mfr.
                          257563
                          Twicea
                          106-958-257563
                          Bel Fuse Inc
                          Pulse Transformer 350uH 1CT:1CT TX, 1CT:1CT RX SMD
                            Min.:1
                            Mult.:1
                            SMD - - - - - 13,26x15,24x6,35mm - - - - - - - - n/a - - - Yes 0...+70°C - S558 - - - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
                            257563
                            257563

                            106-958-257563 Bel Fuse Inc
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                            Bel Fuse Inc 257587
                            Mfr.
                            257587
                            Twicea
                            106-958-257587
                            Bel Fuse Inc
                            Pulse Transformer LAN 10/100BT 350uH, 1CT:1CT TX, 1CT:1CT RX SMD
                              Min.:1
                              Mult.:1
                              SMD - - - - - 12,32x7,24x5,72mm - - - - - - - - n/a - - - Yes -40...+85°C - S558 - LAN 10/100Base-T - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
                              257587
                              257587

                              106-958-257587 Bel Fuse Inc
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                              Bel Fuse Inc 82500
                              Mfr.
                              82500
                              Twicea
                              106-958-82500
                              Bel Fuse Inc
                              Pulse Transformer LAN 10/100BT 350uH, 1CT:1CT TX, 1CT:1CT RX SMD
                                Min.:1
                                Mult.:1
                                SMD - - - - - 12,32x7,24x5,72mm - - - - - - - - n/a - - - Yes -40...+85°C - S558 - LAN 10/100Base-T - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
                                82500
                                82500

                                106-958-82500 Bel Fuse Inc
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                                Bel Fuse Inc. S558-10GB-23
                                Mfr.
                                S558-10GB-23
                                Twicea
                                106-958-S558-10GB-23
                                Bel Fuse Inc.
                                MODULE XFRMR LAN 10G POE SMD
                                123
                                  Min.:1
                                  Mult.:1
                                  Surface Mount - - - - Bel Magnetic Solutions - 380 Bel - + 85 C Bel Fuse Inc. - 40 C Yes - - - R558-10GB-23 Active Details -40°C ~ 85°C Cut Tape - 0.610" L x 0.480" W (15.49mm x 12.19mm) SMT Transformers 10G PoE Transformers - SMD/SMT - - - - - - Quad 120μH - - - - - - Audio & Signal Transformers - 1 MHz to 600 MHz LAN 10G Base-T, Power over Ethernet (PoE) 1CT:1CT PoE Transformers - - Audio Transformers / Signal Transformers 7.37 mm 0.290" (7.37mm) 15.49 mm 15.24 mm
                                  S558-10GB-23
                                  S558-10GB-23

                                  106-958-S558-10GB-23 Bel Fuse Inc.
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                                  Bel Fuse Inc. S558-5500-JB
                                  Mfr.
                                  S558-5500-JB
                                  Twicea
                                  106-958-S558-5500-JB
                                  Bel Fuse Inc.
                                  MODULE XFRMR LAN 1G 2.5G POE SMD
                                  82
                                    Min.:1
                                    Mult.:1
                                    Surface Mount - - - - Bel Magnetic Solutions - 380 Bel - - Bel Fuse Inc. - Yes - - - R558-5500-JB Active Details -40°C ~ 85°C Cut Tape - 0.690" L x 0.480" W (17.53mm x 12.19mm) - - Transformers - - - - - - - - - 120μH - - - - - - Audio & Signal Transformers - - LAN 1/2.5 GBase-T, Power over Ethernet (PoE) 1CT:1CT - - - Audio Transformers / Signal Transformers - 0.225" (5.71mm) - -
                                    S558-5500-JB
                                    S558-5500-JB

                                    106-958-S558-5500-JB Bel Fuse Inc.
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                                    Bel Fuse Inc S557-5999-69
                                    Mfr.
                                    S557-5999-69
                                    Twicea
                                    106-958-S557-5999-69
                                    Bel Fuse Inc
                                    MODULE PULSE TRANSFORMER
                                      Min.:1
                                      Mult.:1
                                      Surface Mount SOT-89-5/6 SOT-89-5 - XC9261 - - - - - - Torex Semiconductor Ltd - - - - Tape & Reel (TR) - Obsolete - -40°C ~ 105°C (TA) - XC9261 - - - - - - Step-Down 1 5.5V Fixed 2.7V - - - Positive 1.5A 1.8V Buck 3MHz Yes - - - - - - - - - - - - -
                                      S557-5999-69
                                      S557-5999-69

                                      106-958-S557-5999-69 Bel Fuse Inc
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                                      Bel Fuse Inc Y553-6500-C8-F
                                      Mfr.
                                      Y553-6500-C8-F
                                      Twicea
                                      106-958-Y553-6500-C8-F
                                      Bel Fuse Inc
                                      PULSE TRANSFORMER
                                        Min.:1
                                        Mult.:1
                                        - - - - - - - - - - - Kamaya Inc. - - - - Tape & Reel (TR) - Active - - - * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                        Y553-6500-C8-F
                                        Y553-6500-C8-F

                                        106-958-Y553-6500-C8-F Bel Fuse Inc
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                                        Bel Fuse Inc I554-1220-00-F
                                        Mfr.
                                        I554-1220-00-F
                                        Twicea
                                        106-958-I554-1220-00-F
                                        Bel Fuse Inc
                                        PULSE TRANSFORMER
                                          Min.:1
                                          Mult.:1
                                          - - - CE, CSA, UL - - - - Cutler Hammer, Div of Eaton Corp PDG20F0100VFFJ - Bel Fuse Inc. - - Panel - Tape & Reel (TR) - Obsolete - - - * - - - - 100 A - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                          I554-1220-00-F
                                          I554-1220-00-F

                                          106-958-I554-1220-00-F Bel Fuse Inc
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                                          Transformers

                                          Pulse Transformers definition: A pulse transformer is an enhanced transformer that produces electrical pulses of great velocity and constant amplitude. They are often used... Pulse Transformers Product Listing: 257581,257547,257565,257589,257588.Transformers type:Power Transformers(14961),Pulse Transformers(8770),Current Sense Transformers(3074),Isolation Transformers and Autotransformers, Step Up, Step Down(2169),Switching Converter, SMPS Transformers(1981) .Pulse Transformers has 225 pieces of spot stock price information, you can click the "RFQ" button to confirm the inventory and price with the Twicea.
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