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  • Transformers
  • Pulse Transformers
Image Part # Manufacturer Description Availability Pricing Quantity Factory Lead TimeMountMounting TypePackage / CaseNumber of PinsMaterialWeightNumber of TerminalsAutomotiveBase Product NumberDimensionsECCN (US)EU RoHSHigh PotentialHTSManufacturerManufacturer Part NumberMaximum Insertion Loss (dB)MfrMinimum CMRR (dB)Minimum Return Loss (dB)MountingMSLPackagePPAPProduct Depth (mm)Product StatusRoHSOperating TemperaturePackagingSeriesSize / DimensionJESD-609 CodePbfree CodePart StatusMoisture Sensitivity Level (MSL)TerminationECCN CodeTypeTerminal FinishMax Operating TemperatureMin Operating TemperatureApplicationsAdditional FeatureVoltage - SupplyNumber of FunctionsDepthFrequencyFrequency StabilityOutputFunctionBase ResonatorCurrent - Supply (Max)Physical DimensionCurrent - Supply (Disable) (Max)NoteInductanceDC Resistance (DCR)Max DC CurrentLead StyleSpread Spectrum BandwidthLead/Base StyleInsertion LossAbsolute Pull Range (APR)Insertion Loss (dB)Isolation VoltageOutside DiameterTransformer TypeTurns Ratio - Primary:SecondaryReturn LossNumber of Primary WindingET (Volt-Time)FeaturesTurns RatioProduct Length (mm)HeightHeight Seated (Max)LengthWidthProduct Height (mm)Radiation HardeningRoHS StatusRatings
Image Part # Manufacturer Description Availability Pricing Quantity Factory Lead TimeMountMounting TypePackage / CaseNumber of PinsMaterialWeightNumber of TerminalsAutomotiveBase Product NumberDimensionsECCN (US)EU RoHSHigh PotentialHTSManufacturerManufacturer Part NumberMaximum Insertion Loss (dB)MfrMinimum CMRR (dB)Minimum Return Loss (dB)MountingMSLPackagePPAPProduct Depth (mm)Product StatusRoHSOperating TemperaturePackagingSeriesSize / DimensionJESD-609 CodePbfree CodePart StatusMoisture Sensitivity Level (MSL)TerminationECCN CodeTypeTerminal FinishMax Operating TemperatureMin Operating TemperatureApplicationsAdditional FeatureVoltage - SupplyNumber of FunctionsDepthFrequencyFrequency StabilityOutputFunctionBase ResonatorCurrent - Supply (Max)Physical DimensionCurrent - Supply (Disable) (Max)NoteInductanceDC Resistance (DCR)Max DC CurrentLead StyleSpread Spectrum BandwidthLead/Base StyleInsertion LossAbsolute Pull Range (APR)Insertion Loss (dB)Isolation VoltageOutside DiameterTransformer TypeTurns Ratio - Primary:SecondaryReturn LossNumber of Primary WindingET (Volt-Time)FeaturesTurns RatioProduct Length (mm)HeightHeight Seated (Max)LengthWidthProduct Height (mm)Radiation HardeningRoHS StatusRatings
Bel Fuse Inc. S558-5999-Q9-F
Mfr. Part #
S558-5999-Q9-F
Twicea Part #
106-958-S558-5999-Q9-F
Bel Fuse Inc.
MODULE XFRMR LAN 10/100B-TX SMD
Datasheet Compare
3 In Stock
    Min.:1
    Mult.:1
    15 Weeks Surface Mount Surface Mount Module 40 - - - - - - - - - - - - - - - - - - - - - - - 0°C~70°C Tape & Reel (TR) - 1.100Lx0.476W 27.94mmx12.09mm e2 yes Active 2 (1 Year) SMD/SMT EAR99 - Tin/Copper (Sn/Cu) - hot dipped - - LAN; 10/100 BASE-T HEIGHT DIM INCLUDE TERMINAL ALSO - 4 15.24mm - - - - - - L27.94XB12.09XH5.74 (mm) - - 350μH - - - - Gull Wing - - 1 dB - - LAN 10/100 Base-T 1:1 12 dB - - - - - 4.47mm 0.236 5.99mm 27.94mm 12.09mm - No ROHS3 Compliant -
    S558-5999-Q9-F
    S558-5999-Q9-F

    106-958-S558-5999-Q9-F Bel Fuse Inc.
    RoHS :
    Package : -
    In Stock : 3
    1 : -
    Bel Fuse Inc. S553-5999-52-F
    Mfr. Part #
    S553-5999-52-F
    Twicea Part #
    106-958-S553-5999-52-F
    Bel Fuse Inc.
    Telecom Transformer 1CT:2CT/1CT:1CT 16Term. Gull Wing SMD
    Datasheet Compare
    4004 In Stock
      Min.:1
      Mult.:1
      15 Weeks Surface Mount Surface Mount - 16 - - - - - - - - - - - - - - - - - - - - - - - 0°C~70°C Bulk - 0.500Lx0.285W 12.70mmx7.24mm - - Active 1 (Unlimited) SMD/SMT - - - 70°C 0°C - - - - 9.53mm - - - - - - - - - 28μH, 110μH - - - - Gull Wing - - -1 dB - - LAN 10G Base-T 1:2 -18 dB - - - - - 5.72mm 0.225 5.72mm 12.7mm 7.24mm - No ROHS3 Compliant -
      S553-5999-52-F
      S553-5999-52-F

      106-958-S553-5999-52-F Bel Fuse Inc.
      RoHS :
      Package : -
      In Stock : 4004
      1 : -
      Bel Fuse Inc. S558-5500-JD
      Mfr. Part #
      S558-5500-JD
      Twicea Part #
      106-958-S558-5500-JD
      Bel Fuse Inc.
      XFRMR LAN 2.5G 60W POE SMD
      Datasheet Compare
      767 In Stock
        Min.:1
        Mult.:1
        15 Weeks - Surface Mount - - - - - - - - - - - - - - - - - - - - - - - - - -40°C~85°C Tape & Reel (TR) - 0.690Lx0.600W 17.53mmx15.24mm - - Active 2 (1 Year) - EAR99 - - - - - - - - - - - - - - - - - - 180μH - - - - - - - - - - LAN 2.5G Base-T, Power over Ethernet (PoE) 1CT:1CT - - - - - - - 0.225 5.71mm - - - - ROHS3 Compliant -
        S558-5500-JD
        S558-5500-JD

        106-958-S558-5500-JD Bel Fuse Inc.
        RoHS :
        Package : -
        In Stock : 767
        1 : -
        Bel Fuse Inc. S558-5999-T5-F
        Mfr. Part #
        S558-5999-T5-F
        Twicea Part #
        106-958-S558-5999-T5-F
        Bel Fuse Inc.
        MODULE XFRMR LAN 10/100B-TX SMD
        Datasheet Compare
        5600 In Stock
          Min.:1
          Mult.:1
          15 Weeks Surface Mount Surface Mount Module 16 - - - - - - - - - - - - - - - - - - - - - - - -40°C~85°C Tape & Reel (TR) - 0.485Lx0.285W 12.32mmx7.24mm - yes Active 2 (1 Year) SMD/SMT EAR99 - - - - - - - 1 9.53mm - - - - - - L12.32XB7.24XH5.71 (mm) - - 350μH 2Ohm - - - Gull Wing - - -1 dB 1500V - LAN 10/100 Base-T 1:1 -12 dB - - - - - 5.71mm 0.225 5.72mm 12.32mm 7.24mm - No ROHS3 Compliant -
          S558-5999-T5-F
          S558-5999-T5-F

          106-958-S558-5999-T5-F Bel Fuse Inc.
          RoHS :
          Package : -
          In Stock : 5600
          1 : -
          Bel Fuse Inc. S553-5999-08-F
          Mfr. Part #
          S553-5999-08-F
          Twicea Part #
          106-958-S553-5999-08-F
          Bel Fuse Inc.
          Telecom Transformer 1CT:1CT/1CT:1.41CT 16Term. Gull Wing SMD
          Datasheet Compare
            Min.:1
            Mult.:1
            - Surface Mount Surface Mount - 16 - - - - - - - - - - - - - - - - - - - - - - - - Bulk - 0.500Lx0.285W 12.70mmx7.24mm - - Active 1 (Unlimited) - - - - 70°C 0°C - - - - 9.53mm - - - - - - - - - 110μH - - - - Gull Wing - - -1 dB - - LAN 10G Base-T 1:1 -15 dB - - - - - - 0.225 5.72mm 12.7mm - - No ROHS3 Compliant -
            S553-5999-08-F
            S553-5999-08-F

            106-958-S553-5999-08-F Bel Fuse Inc.
            RoHS :
            Package : -
            In Stock : -
            1 : -
            Bel Fuse Inc. S553-1445-00-F
            Mfr. Part #
            S553-1445-00-F
            Twicea Part #
            106-958-S553-1445-00-F
            Bel Fuse Inc.
            PULSE TRANSFORMER
            Datasheet Compare
              Min.:1
              Mult.:1
              - - - Module - - - - - - - - - - - - - - - - - - - - - - - - - Bulk - - - - Active 1 (Unlimited) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ROHS3 Compliant -
              S553-1445-00-F
              S553-1445-00-F

              106-958-S553-1445-00-F Bel Fuse Inc.
              RoHS :
              Package : -
              In Stock : -
              1 : -
              Bel Fuse Inc. S558-5500-16-F
              Mfr. Part #
              S558-5500-16-F
              Twicea Part #
              106-958-S558-5500-16-F
              Bel Fuse Inc.
              VOICE OVER IP MAGNETICS BROADBAND TRANSFORMERS
              Datasheet Compare
                Min.:1
                Mult.:1
                15 Weeks Surface Mount Surface Mount Module - - - - - - - - - - - - - - - - - - - - - - - - 0°C~70°C - - 0.522Lx0.600W 13.26mmx15.24mm - - Active 1 (Unlimited) SMD/SMT EAR99 - - - - SIGNAL - - - - - - - - - - 15.24mm x 13.26mm x 6.35mm - - 350μH 1.4Ohm 350mA - - - 1.5 dB - - - - TELECOM TRANSFORMER 1CT:1CT Transmitter, 1CT:1CT Receiver - 4 - - - - 6.35mm 0.250 6.35mm 15.24mm 13.26mm - - ROHS3 Compliant -
                S558-5500-16-F
                S558-5500-16-F

                106-958-S558-5500-16-F Bel Fuse Inc.
                RoHS :
                Package : -
                In Stock : -
                1 : -
                Bel Fuse, Inc. S558-10GB-02V
                Mfr. Part #
                S558-10GB-02V
                Twicea Part #
                106-958-S558-10GB-02V
                Bel Fuse, Inc.
                -
                Datasheet Compare
                  Min.:1
                  Mult.:1
                  - - Surface Mount - - - - 24 No - - EAR99 Compliant 1500Vrms 8504.32.00.00 - - 2.5@500MHz Bel Fuse Inc. 20(Typ)@500MHz 10@400MHz to 500MHz Surface Mount - Tape & Reel (TR) No 15.24 Obsolete - 0°C ~ 70°C - - 0.610 L x 0.480 W (15.49mm x 12.19mm) - - Obsolete - - - - - - - - - - - - - - - - - - - - - - - - Gull Wing - - - - - - - HDBase-T 1CT:1CT - - - - 4(1CT:1CT) 15.49 - 0.290 (7.37mm) - - 7.37 - - -
                  S558-10GB-02V
                  S558-10GB-02V

                  106-958-S558-10GB-02V Bel Fuse, Inc.
                  RoHS :
                  Package : -
                  In Stock : -
                  1 : -
                  Bel Fuse Inc 0554-1220-00-F
                  Mfr. Part #
                  0554-1220-00-F
                  Twicea Part #
                  106-958-0554-1220-00-F
                  Bel Fuse Inc
                  PULSE TRANSFORMER
                  Datasheet Compare
                    Min.:1
                    Mult.:1
                    - - - - - - - - - - - - - - - - - - Bel Fuse Inc. - - - - Tape & Reel (TR) - - Obsolete - - - * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                    0554-1220-00-F
                    0554-1220-00-F

                    106-958-0554-1220-00-F Bel Fuse Inc
                    RoHS :
                    Package : -
                    In Stock : -
                    1 : -
                    Bel Fuse Inc Y555-5999-15-F
                    Mfr. Part #
                    Y555-5999-15-F
                    Twicea Part #
                    106-958-Y555-5999-15-F
                    Bel Fuse Inc
                    PULSE TRANSFORMER
                    Datasheet Compare
                      Min.:1
                      Mult.:1
                      - - - - - - - - - - - - - - - - - - Bel Fuse Inc. - - - - Tape & Reel (TR) - - Obsolete - - - * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                      Y555-5999-15-F
                      Y555-5999-15-F

                      106-958-Y555-5999-15-F Bel Fuse Inc
                      RoHS :
                      Package : -
                      In Stock : -
                      1 : -
                      Bel Fuse Inc S557-5999-65
                      Mfr. Part #
                      S557-5999-65
                      Twicea Part #
                      106-958-S557-5999-65
                      Bel Fuse Inc
                      MODULE PULSE TRANSFORMER
                      Datasheet Compare
                        Min.:1
                        Mult.:1
                        - - - - - - - - - - - - - - - - - - Bel Fuse Inc. - - - - Bulk - - Obsolete - - - * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                        S557-5999-65
                        S557-5999-65

                        106-958-S557-5999-65 Bel Fuse Inc
                        RoHS :
                        Package : -
                        In Stock : -
                        1 : -
                        Bel Fuse Inc S560-6600-NE
                        Mfr. Part #
                        S560-6600-NE
                        Twicea Part #
                        106-958-S560-6600-NE
                        Bel Fuse Inc
                        3MH SHDSL PULSE TRANSFORME
                        Datasheet Compare
                          Min.:1
                          Mult.:1
                          - - - - - Steel - - - - - - - - - Maurey Power Transmission NH223058BX - Bel Fuse Inc. - - - - Bulk - - Obsolete - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2.3 Inches - - - - - - - - - - - - - - - -
                          S560-6600-NE
                          S560-6600-NE

                          106-958-S560-6600-NE Bel Fuse Inc
                          RoHS :
                          Package : -
                          In Stock : -
                          1 : -
                          Bel Fuse Inc X555-5999-15-F
                          Mfr. Part #
                          X555-5999-15-F
                          Twicea Part #
                          106-958-X555-5999-15-F
                          Bel Fuse Inc
                          PULSE TRANSFORMER
                          Datasheet Compare
                            Min.:1
                            Mult.:1
                            - - Surface Mount 4-SMD, No Lead - - - - - SG-8101 - - - - - - - - EPSON - - - - Tape & Reel (TR) - - Active - -40°C ~ 85°C - SG-8101 0.276 L x 0.197 W (7.00mm x 5.00mm) - - - - - - XO (Standard) - - - - - 1.8V ~ 3.3V - - 19 MHz ±15ppm CMOS Enable/Disable Crystal 6.8mA (Typ) - 3.5mA - - - - - - - - - - - - - - - - - - - - - 0.055 (1.40mm) - - - - - -
                            X555-5999-15-F
                            X555-5999-15-F

                            106-958-X555-5999-15-F Bel Fuse Inc
                            RoHS :
                            Package : -
                            In Stock : -
                            1 : -
                            Bel Fuse Inc 257582
                            Mfr. Part #
                            257582
                            Twicea Part #
                            106-958-257582
                            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 - - - - - - - - - - - - - - - - - - - - - - - - - - -
                              257582
                              257582

                              106-958-257582 Bel Fuse Inc
                              RoHS :
                              Package : -
                              In Stock : -
                              1 : -
                              Bel Fuse Inc 253898
                              Mfr. Part #
                              253898
                              Twicea Part #
                              106-958-253898
                              Bel Fuse Inc
                              Pulse Transformer LAN 10/100BT 350uH, 2CT:1CT TX, 1CT:1CT RX SMD
                              Datasheet Compare
                                Min.:1
                                Mult.:1
                                - - SMD - - - - - - - 27,94x12,09x5,99mm - - - - - - - - - - - n/a - - - - Yes 0...+70°C - S558 - - - - - - - LAN 10/100Base-T - - - - - - - - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                253898
                                253898

                                106-958-253898 Bel Fuse Inc
                                RoHS :
                                Package : -
                                In Stock : -
                                1 : -
                                Bel Fuse Inc 257571
                                Mfr. Part #
                                257571
                                Twicea Part #
                                106-958-257571
                                Bel Fuse Inc
                                Pulse Transformer LAN 1000BT 350uH, 1CT:1CT TX, 1CT:1CT RX SMD
                                Datasheet Compare
                                  Min.:1
                                  Mult.:1
                                  - - SMD - - - - - - - 17,53x12,2x5,84mm - - - - - - - - - - - n/a - - - - Yes -40...+85°C - S558 - - - - - - - LAN 1000Base-T - - - - - - - - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                  257571
                                  257571

                                  106-958-257571 Bel Fuse Inc
                                  RoHS :
                                  Package : -
                                  In Stock : -
                                  1 : -
                                  Bel Fuse Inc 257551
                                  Mfr. Part #
                                  257551
                                  Twicea Part #
                                  106-958-257551
                                  Bel Fuse Inc
                                  Pulse Transformer T1/E1 (Dual) 1mH/1,8mH, 1CT:2.4CT TX, 1CT:1CT RX SMD
                                  Datasheet Compare
                                    Min.:1
                                    Mult.:1
                                    - - SMD - - - - - - - 12,32x7,24x5,72mm - - - - - - - - - - - n/a - - - - Yes -40...+85°C - S553 - - - - - - - T1/E1 - - - - - - - - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                    257551
                                    257551

                                    106-958-257551 Bel Fuse Inc
                                    RoHS :
                                    Package : -
                                    In Stock : -
                                    1 : -
                                    Bel Fuse Inc 257543
                                    Mfr. Part #
                                    257543
                                    Twicea Part #
                                    106-958-257543
                                    Bel Fuse Inc
                                    Pulse Transformer LAN 10G Base-T 140uH, 1:1 TX, 1:1 RX SMD
                                    Datasheet Compare
                                      Min.:1
                                      Mult.:1
                                      - - SMD - - - - - - - 20,32x7,24x5,84mm - - - - - - - - - - - n/a - - - - Yes - - S553 - - - - - - - LAN 10G - - - - - - - - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                      257543
                                      257543

                                      106-958-257543 Bel Fuse Inc
                                      RoHS :
                                      Package : -
                                      In Stock : -
                                      1 : -
                                      Bel Fuse Inc 257554
                                      Mfr. Part #
                                      257554
                                      Twicea Part #
                                      106-958-257554
                                      Bel Fuse Inc
                                      Pulse Transformer T1/E1 (Octal) 1,5mH, 1:2 TX, 1:2 RX SMD
                                      Datasheet Compare
                                        Min.:1
                                        Mult.:1
                                        - - SMD - - - - - - - 26,54x7,62x7,37mm - - - - - - - - - - - n/a - - - - Yes -40...+85°C - S553 - - - - - - - T1/E1 - - - - - - - - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                        257554
                                        257554

                                        106-958-257554 Bel Fuse Inc
                                        RoHS :
                                        Package : -
                                        In Stock : -
                                        1 : -
                                        Bel Fuse Inc 257550
                                        Mfr. Part #
                                        257550
                                        Twicea Part #
                                        106-958-257550
                                        Bel Fuse Inc
                                        Pulse Transformer T1/E1 (Dual) 1,8mH, 1CT:2.4/2, 1CT:1/0.79 SMD
                                        Datasheet Compare
                                          Min.:1
                                          Mult.:1
                                          - - SMD - - - - - - - 12,32x7,24x5,72mm - - - - - - - - - - - n/a - - - - Yes -40...+85°C - S553 - - - - - - - T1/E1 - - - - - - - - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                          257550
                                          257550

                                          106-958-257550 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: S558-5999-Q9-F,S553-5999-52-F,S558-5500-JD,S558-5999-T5-F,S553-5999-08-F.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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