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  • Transformers
  • Pulse Transformers
Image Part # Manufacturer Description Availability Pricing Quantity Factory Lead TimeContact platingMountMounting TypePackage / CaseSurface MountMounting FeatureNumber of pinsNumber of PinsApprovalsBrandConnectorConnector pinout layoutContacts pitchDimensionsElectrical mountingGross weightIhs ManufacturerKind of connectorManufacturerMaximum DC ResistanceMaximum Operating TemperatureMinimum Operating TemperatureMSLOperating Temperature-MaxOperating Temperature-MinPart Life Cycle CodeRoHSRohs CodeRow pitchSpatial orientationType of connectorOperating temperatureOperating TemperaturePackagingSeriesSize / DimensionJESD-609 CodePbfree CodePart StatusMoisture Sensitivity Level (MSL)TerminationECCN CodeTypeTerminal FinishMax Operating TemperatureMin Operating TemperatureApplicationsAdditional FeatureSubcategoryPacking MethodNumber of FunctionsDepthReach Compliance CodeCurrent ratingPhysical DimensionNoteInductanceLead/Base StyleProduct TypeInsertion Loss (dB)Isolation VoltageTransformer TypeRated voltageTurns Ratio - Primary:SecondaryReturn LossProfileFeaturesProduct CategoryPulse Rise Time-MaxHeightHeight Seated (Max)LengthWidthPlating thicknessRadiation HardeningRoHS StatusFlammability rating
Image Part # Manufacturer Description Availability Pricing Quantity Factory Lead TimeContact platingMountMounting TypePackage / CaseSurface MountMounting FeatureNumber of pinsNumber of PinsApprovalsBrandConnectorConnector pinout layoutContacts pitchDimensionsElectrical mountingGross weightIhs ManufacturerKind of connectorManufacturerMaximum DC ResistanceMaximum Operating TemperatureMinimum Operating TemperatureMSLOperating Temperature-MaxOperating Temperature-MinPart Life Cycle CodeRoHSRohs CodeRow pitchSpatial orientationType of connectorOperating temperatureOperating TemperaturePackagingSeriesSize / DimensionJESD-609 CodePbfree CodePart StatusMoisture Sensitivity Level (MSL)TerminationECCN CodeTypeTerminal FinishMax Operating TemperatureMin Operating TemperatureApplicationsAdditional FeatureSubcategoryPacking MethodNumber of FunctionsDepthReach Compliance CodeCurrent ratingPhysical DimensionNoteInductanceLead/Base StyleProduct TypeInsertion Loss (dB)Isolation VoltageTransformer TypeRated voltageTurns Ratio - Primary:SecondaryReturn LossProfileFeaturesProduct CategoryPulse Rise Time-MaxHeightHeight Seated (Max)LengthWidthPlating thicknessRadiation HardeningRoHS StatusFlammability rating
Bel Fuse Inc 82500
Mfr. Part #
82500
Twicea Part #
106-958-82500
Bel Fuse Inc
Pulse Transformer LAN 10/100BT 350uH, 1CT:1CT TX, 1CT:1CT RX SMD
Datasheet Compare
    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
    RoHS :
    Package : -
    In Stock : -
    1 : -
    Bel Fuse Inc 257574
    Mfr. Part #
    257574
    Twicea Part #
    106-958-257574
    Bel Fuse Inc
    Pulse Transformer LAN 10/100BT 350uH, 1CT:1CT TX, 1CT:1CT RX SMD
    Datasheet Compare
      Min.:1
      Mult.:1
      - - - SMD - - - - - - - - - - 12,32x7,24x5,72mm - - - - - - - - n/a - - - Yes - - - - - 0...+70°C - S558 - - - - - - - LAN 10/100Base-T - - - - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
      257574
      257574

      106-958-257574 Bel Fuse Inc
      RoHS :
      Package : -
      In Stock : -
      1 : -
      Bel Fuse Inc 257573
      Mfr. Part #
      257573
      Twicea Part #
      106-958-257573
      Bel Fuse Inc
      Pulse Transformer LAN 10/100BT 350uH, 1CT:1,41CT TX, 1CT:1CT RX SMD
      Datasheet Compare
        Min.:1
        Mult.:1
        - - - SMD - - - - - - - - - - 25,4x9,91x5,97mm - - - - - - - - n/a - - - Yes - - - - - - - S558 - - - - - - - LAN 10/100Base-T - - - - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - -
        257573
        257573

        106-958-257573 Bel Fuse Inc
        RoHS :
        Package : -
        In Stock : -
        1 : -
        Bel Fuse Inc 0557-7700-42
        Mfr. Part #
        0557-7700-42
        Twicea Part #
        106-958-0557-7700-42
        Bel Fuse Inc
        Audio Transformers / Signal Transformers Powerline Signal Coupler 500Mbps
        Datasheet Compare
          Min.:1
          Mult.:1
          - - - - - - - - - - Bel Magnetic Solutions - - - - - - - - Bel 40 mOhms + 85 C - 40 C - - - - Details - - - - - - - - - - - - - - - - - - - - - Transformers - - - - - - - 7.7 uH - Audio & Signal Transformers - - - - - - - - Audio Transformers / Signal Transformers - - - - - - - - -
          0557-7700-42
          0557-7700-42

          106-958-0557-7700-42 Bel Fuse Inc
          RoHS :
          Package : -
          In Stock : -
          1 : -
          Bel Fuse S560-6600-Z6
          Mfr. Part #
          S560-6600-Z6
          Twicea Part #
          106-958-S560-6600-Z6
          Bel Fuse
          Telecom Transformer
          Datasheet Compare
            Min.:1
            Mult.:1
            - - - - - YES SURFACE MOUNT - - BABT - - - - - - - BEL FUSE INC - - - - - - 85 °C -40 °C Obsolete - No - - - - - - - - - No - - - EAR99 - - - - - TURNS RATIO: 1:1.9 - TAPE & REEL - - unknown - - - - - - - - TELECOM TRANSFORMER - - - - - - - 11.68 mm - 12.95 mm 12.07 mm - - - -
            S560-6600-Z6
            S560-6600-Z6

            106-958-S560-6600-Z6 Bel Fuse
            RoHS :
            Package : -
            In Stock : -
            1 : -
            Bel Fuse S553-0013-03
            Mfr. Part #
            S553-0013-03
            Twicea Part #
            106-958-S553-0013-03
            Bel Fuse
            Telecom Transformer
            Datasheet Compare
              Min.:1
              Mult.:1
              - - - - - YES SURFACE MOUNT - - - - - - - - - - BEL FUSE INC - - - - - - - - Active - - - - - - - - - - - - - - - EAR99 - - - - - TURNS RATIO: 1:2CT; 1:2CT - - - - compliant - - - - - - - - TELECOM TRANSFORMER - - - - - - - 5.72 mm - 12.7 mm 7.24 mm - - - -
              S553-0013-03
              S553-0013-03

              106-958-S553-0013-03 Bel Fuse
              RoHS :
              Package : -
              In Stock : -
              1 : -
              Bel Fuse APC82246S
              Mfr. Part #
              APC82246S
              Twicea Part #
              106-958-APC82246S
              Bel Fuse
              Description: Telecom Transformer,
              Datasheet Compare
                Min.:1
                Mult.:1
                - - - - - YES SURFACE MOUNT - - IEC; UL - - - - - - - BEL FUSE INC - - - - - - 70 °C - Obsolete - No - - - - - - - - - No - - - EAR99 - - - - - TURNS RATIO: 1:1CT - TAPE & REEL - - unknown - - - - - - - - TELECOM TRANSFORMER - - - - - - - 13.33 mm - 42.5 mm 8.89 mm - - - -
                APC82246S
                APC82246S

                106-958-APC82246S Bel Fuse
                RoHS :
                Package : -
                In Stock : -
                1 : -
                Bel Fuse APC78142
                Mfr. Part #
                APC78142
                Twicea Part #
                106-958-APC78142
                Bel Fuse
                Telecom Transformer
                Datasheet Compare
                  Min.:1
                  Mult.:1
                  - - - - - YES SURFACE MOUNT - - UL - - - - - - - BEL FUSE INC - - - - - - 85 °C -40 °C Obsolete - - - - - - - - - - - - - - - EAR99 - - - - - - - - - - compliant - - - - - - - - TELECOM TRANSFORMER - - - - - - - 10.67 mm - 53.3 mm 17.8 mm - - - -
                  APC78142
                  APC78142

                  106-958-APC78142 Bel Fuse
                  RoHS :
                  Package : -
                  In Stock : -
                  1 : -
                  Bel Fuse S560-6600-K7
                  Mfr. Part #
                  S560-6600-K7
                  Twicea Part #
                  106-958-S560-6600-K7
                  Bel Fuse
                  Description: Telecom Transformer
                  Datasheet Compare
                    Min.:1
                    Mult.:1
                    - - - - - YES SURFACE MOUNT - - - - - - - - - - BEL FUSE INC - - - - - - 85 °C -40 °C Obsolete - - - - - - - - - - e0 - - - - EAR99 - TIN LEAD - - - TURNS RATIO: 1:1.4 - - - - compliant - - - - - - - - TELECOM TRANSFORMER - - - - - - - 12.7 mm - 14.86 mm 13.72 mm - - - -
                    S560-6600-K7
                    S560-6600-K7

                    106-958-S560-6600-K7 Bel Fuse
                    RoHS :
                    Package : -
                    In Stock : -
                    1 : -
                    Bel Fuse S553-0013-07
                    Mfr. Part #
                    S553-0013-07
                    Twicea Part #
                    106-958-S553-0013-07
                    Bel Fuse
                    Description: Telecom Transformer
                    Datasheet Compare
                      Min.:1
                      Mult.:1
                      - - - - - YES SURFACE MOUNT - - - - - - - - - - BEL FUSE INC - - - - - - - - Obsolete - No - - - - - - - - - No - - - EAR99 - - - - - TURNS RATIO: 1:1/1:1.26; 1:2CT - - - - unknown - - - - - - - - TELECOM TRANSFORMER - - - - - - - 5.72 mm - 12.7 mm 7.24 mm - - - -
                      S553-0013-07
                      S553-0013-07

                      106-958-S553-0013-07 Bel Fuse
                      RoHS :
                      Package : -
                      In Stock : -
                      1 : -
                      Bel Fuse A553-0013-05
                      Mfr. Part #
                      A553-0013-05
                      Twicea Part #
                      106-958-A553-0013-05
                      Bel Fuse
                      Description: Telecom Transformer
                      Datasheet Compare
                        Min.:1
                        Mult.:1
                        - - - - - NO THROUGH HOLE MOUNTED - - - - - - - - - - BEL FUSE INC - - - - - - - - Active - - - - - - - - - - - - - - - EAR99 - - - - - TURNS RATIO: 1:1; 1.25:1; 1:2CT - - - - compliant - - - - - - - - TELECOM TRANSFORMER - - - - - - - 5.08 mm - 20.3 mm 7.37 mm - - - -
                        A553-0013-05
                        A553-0013-05

                        106-958-A553-0013-05 Bel Fuse
                        RoHS :
                        Package : -
                        In Stock : -
                        1 : -
                        Bel Fuse A553-0013-00
                        Mfr. Part #
                        A553-0013-00
                        Twicea Part #
                        106-958-A553-0013-00
                        Bel Fuse
                        Telecom Transformer
                        Datasheet Compare
                          Min.:1
                          Mult.:1
                          - - - - - NO THROUGH HOLE MOUNTED - - - - - - - - - - BEL FUSE INC - - - - - - - - Active - - - - - - - - - - - - - - - EAR99 - - - - - TURNS RATIO: 1:1.385CT/1:1:1 - - - - compliant - - - - - - - - TELECOM TRANSFORMER - - - - - - - 5.08 mm - 20.3 mm 7.37 mm - - - -
                          A553-0013-00
                          A553-0013-00

                          106-958-A553-0013-00 Bel Fuse
                          RoHS :
                          Package : -
                          In Stock : -
                          1 : -
                          Bel Fuse S553-6500-09
                          Mfr. Part #
                          S553-6500-09
                          Twicea Part #
                          106-958-S553-6500-09
                          Bel Fuse
                          Description: Telecom Transformer
                          Datasheet Compare
                            Min.:1
                            Mult.:1
                            - - - - - YES SURFACE MOUNT - - - - - - - - - - BEL FUSE INC - - - - - - 85 °C -40 °C Active - - - - - - - - - - - - - - - EAR99 - - - - - TURNS RATIO: 2:2CT; 2:1, HEIGHT DIMENSION INCLUDES TERMINALS ALSO - - - - compliant - - - - - - - - TELECOM TRANSFORMER - - - - - - - 8.64 mm - 17.2 mm 12.1 mm - - - -
                            S553-6500-09
                            S553-6500-09

                            106-958-S553-6500-09 Bel Fuse
                            RoHS :
                            Package : -
                            In Stock : -
                            1 : -
                            Bel Fuse S560-6600-DJ
                            Mfr. Part #
                            S560-6600-DJ
                            Twicea Part #
                            106-958-S560-6600-DJ
                            Bel Fuse
                            Description: Telecom Transformer
                            Datasheet Compare
                              Min.:1
                              Mult.:1
                              - gold-plated - - - YES SURFACE MOUNT 38 - - - socket 2x19 2.54mm - THT 2.06 g BEL FUSE INC female - - - - - 85 °C -40 °C Active - Yes 2.54mm straight pin strips -40...163°C - - - - - - - - - EAR99 - - - - - TURNS RATIO: 1:5.4 - TAPE & REEL - - compliant 1.5A - - - - - - - TELECOM TRANSFORMER 60V - - beryllium copper - - - 12.7 mm - 14.86 mm 13.72 mm 0.75µm - - UL94V-0
                              S560-6600-DJ
                              S560-6600-DJ

                              106-958-S560-6600-DJ Bel Fuse
                              RoHS :
                              Package : -
                              In Stock : -
                              1 : -
                              Bel Fuse S553-6500-06
                              Mfr. Part #
                              S553-6500-06
                              Twicea Part #
                              106-958-S553-6500-06
                              Bel Fuse
                              Telecom Transformer
                              Datasheet Compare
                                Min.:1
                                Mult.:1
                                - - - - - YES SURFACE MOUNT - - - - - - - - - - BEL FUSE INC - - - - - - 85 °C -40 °C Active - - - - - - - - - - - - - - - EAR99 - - - - - TURNS RATIO: 1CT:2CT; 1:1.36CT, HEIGHT DIMENSION INCLUDES TERMINALS ALSO - - - - compliant - - - - - - - - TELECOM TRANSFORMER - - - - - - - 8.64 mm - 17.2 mm 12.1 mm - - - -
                                S553-6500-06
                                S553-6500-06

                                106-958-S553-6500-06 Bel Fuse
                                RoHS :
                                Package : -
                                In Stock : -
                                1 : -
                                Bel Fuse T2017S
                                Mfr. Part #
                                T2017S
                                Twicea Part #
                                106-958-T2017S
                                Bel Fuse
                                Telecom Transformer
                                Datasheet Compare
                                  Min.:1
                                  Mult.:1
                                  - - - - - YES SURFACE MOUNT - - - - - - - - - - BEL FUSE INC - - - - - - 85 °C -40 °C Active - - - - - - - - - - - - - - - EAR99 - - - - - TURNS RATIO: 1:1.14; 1.14:1 - - - - compliant - - - - - - - - TELECOM TRANSFORMER - - - - - - - 5.59 mm - 28.7 mm 12.57 mm - - - -
                                  T2017S
                                  T2017S

                                  106-958-T2017S Bel Fuse
                                  RoHS :
                                  Package : -
                                  In Stock : -
                                  1 : -
                                  Bel Fuse S554-3184-00-F
                                  Mfr. Part #
                                  S554-3184-00-F
                                  Twicea Part #
                                  106-958-S554-3184-00-F
                                  Bel Fuse
                                  -
                                  Datasheet Compare
                                    Min.:1
                                    Mult.:1
                                    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                    S554-3184-00-F
                                    S554-3184-00-F

                                    106-958-S554-3184-00-F Bel Fuse
                                    RoHS :
                                    Package : -
                                    In Stock : -
                                    1 : -
                                    Bel Fuse Inc. S558-10GB-05
                                    Mfr. Part #
                                    S558-10GB-05
                                    Twicea Part #
                                    106-958-S558-10GB-05
                                    Bel Fuse Inc.
                                    TRANSFORMER PULSE
                                    Datasheet Compare
                                      Min.:1
                                      Mult.:1
                                      15 Weeks - - Surface Mount - YES - - - - - - - - - - - - - - - - - - - - - - - - - - - - Tape & Reel (TR) - - - - Active 1 (Unlimited) - EAR99 - - - - GENERAL PURPOSE HEIGHT DIM INCLUDES TERMINALS ALSO - - 4 - - - L15.49XB12.19XH7.37 (mm) - 160μH - - - 1500V LAN 10G Base-T - 1CT:1CT Transmitter, 1CT:1CT Receiver - - - - - - 0.290 7.37mm 15.49mm 12.19mm - - ROHS3 Compliant -
                                      S558-10GB-05
                                      S558-10GB-05

                                      106-958-S558-10GB-05 Bel Fuse Inc.
                                      RoHS :
                                      Package : -
                                      In Stock : -
                                      1 : -
                                      Bel Fuse Inc. S558-5999-79-F
                                      Mfr. Part #
                                      S558-5999-79-F
                                      Twicea Part #
                                      106-958-S558-5999-79-F
                                      Bel Fuse Inc.
                                      XFRMR MODULE LAN 10/100BT DUAL
                                      Datasheet Compare
                                      5600 In Stock
                                        Min.:1
                                        Mult.:1
                                        - - Surface Mount Surface Mount Module - - - 40 - - - - - - - - - - - - - - - - - - - - - - - - - Tape & Reel (TR) - 1.100Lx0.476W 27.94mmx12.09mm - - Obsolete 2 (1 Year) SMD/SMT EAR99 - - 70°C 0°C SIGNAL - - - - 15.24mm - - 27.94mm x 12.09mm x 5.74mm - 350μH Gull Wing - -1 dB - LAN 10/100 Base-T - 1:1 -10 dB - - - 2.5ns 5.74mm 0.236 5.99mm 27.94mm 12.09mm - No RoHS Compliant -
                                        S558-5999-79-F
                                        S558-5999-79-F

                                        106-958-S558-5999-79-F Bel Fuse Inc.
                                        RoHS :
                                        Package : -
                                        In Stock : 5600
                                        1 : -
                                        Bel Fuse Inc. S553-0716-00-F
                                        Mfr. Part #
                                        S553-0716-00-F
                                        Twicea Part #
                                        106-958-S553-0716-00-F
                                        Bel Fuse Inc.
                                        PULSE XFMR 1:1 TX/1:1 RX 140UH
                                        Datasheet Compare
                                          Min.:1
                                          Mult.:1
                                          - - Surface Mount Surface Mount - - - - 16 - - - - - - - - - - - - - - - - - - - - - - - - - Bulk - 0.800Lx0.285W 20.32mmx7.24mm - - Obsolete 1 (Unlimited) - - - - - - - - - - - - - - - - 140μH Gull Wing - - - LAN 10G Base-T - 1:1 - - - - - - 0.230 5.84mm - - - No RoHS Compliant -
                                          S553-0716-00-F
                                          S553-0716-00-F

                                          106-958-S553-0716-00-F Bel Fuse Inc.
                                          RoHS :
                                          Package : -
                                          In Stock : -
                                          1 : -
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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: 82500,257574,257573,0557-7700-42,S560-6600-Z6.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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