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Image Part # Manufacturer Description Availability Pricing Quantity Factory Lead TimeMountMounting TypeNumber of PinsWeightOperating TemperaturePackagingPublishedSeriesSize / DimensionJESD-609 CodePbfree CodePart StatusMoisture Sensitivity Level (MSL)TerminationECCN CodeTerminal FinishApplicationsCapacitanceNumber of FunctionsDepthFrequencyApproval AgencyPhysical DimensionOperating Supply VoltageInput Voltage-NomInductanceDC Resistance (DCR)Lead/Base StyleRise TimeIsolation VoltageTransformer TypeTurns Ratio - Primary:SecondaryNumber of Secondary WindingNumber of Primary WindingTurns Ratio (NpNs)ET Product-MinLoad ResistancePulse Rise Time-MaxHeightHeight Seated (Max)WidthRadiation HardeningREACH SVHCRoHS Status
Schaffner EMC Inc. IT244
Mfr. Part #
IT244
Twicea Part #
694-958-IT244 		Schaffner EMC Inc.
XFRMR PULSE 3:1:1 DL 15MH .1A
Datasheet Compare
1831 In Stock
    Min.:1
    Mult.:1
    		 10 Weeks Through Hole Through Hole 6 0.2oz 5.7g -25°C~70°C Tray 2008 IT 0.693Lx0.657W 17.60mmx16.70mm - yes Active Not Applicable Through Hole EAR99 - GENERAL PURPOSE - 1 17.6mm 40kHz UL - - - 15mH 2.8Ohm PC Pin 700ns 500V Data/Voice Coupling 3:1 - - - 200 V-us - - 11.3mm 0.445 11.30mm - No - RoHS Compliant
    IT244
    IT244

    694-958-IT244 Schaffner EMC Inc.
    RoHS :
    Package : -
    In Stock : 1831
    1 : -
    Schaffner EMC Inc. IT237
    Mfr. Part #
    IT237
    Twicea Part #
    694-958-IT237     		Schaffner EMC Inc.
    XFRMR PULSE 1:1 SGL 25MH .25A
    Datasheet Compare
    44 In Stock
      Min.:1
      Mult.:1
      		 10 Weeks PCB, Through Hole Through Hole 4 0.5oz 14.25g -25°C~70°C Tray 2013 IT 1.063Lx0.886W 27.00mmx22.50mm - yes Active Not Applicable Through Hole EAR99 - GENERAL PURPOSE - 1 27mm 40kHz UL L27.0XB22.5XH13.7 (mm) - - 25mH 1.9Ohm PC Pin - 2.5kV Data/Voice Coupling 1:1 - - 1:1 1100 V-us - 1000ns 13.7mm 13.7mm 22.5mm No No SVHC RoHS Compliant
      IT237
      IT237

      694-958-IT237 Schaffner EMC Inc.
      RoHS :
      Package : -
      In Stock : 44
      1 : -
      Schaffner EMC Inc. IT258
      Mfr. Part #
      IT258
      Twicea Part #
      694-958-IT258       		Schaffner EMC Inc.
      SCHAFFNER IT258 TRANSFORMER, PULSE, 1:1, 2.5mH
      Datasheet Compare
      53 In Stock
        Min.:1
        Mult.:1
        		 10 Weeks PCB, Through Hole Through Hole 4 0.2oz 5.7g -25°C~70°C Tray 2003 IT 0.693Lx0.657W 17.60mmx16.70mm e3 yes Active Not Applicable - EAR99 Matte Tin (Sn) GENERAL PURPOSE - 1 17.6mm 40kHz UL L17.6XB16.7XH11.3 (mm) - - 2.5mH 620mOhm PC Pin 250ns 3.2kV Data/Voice Coupling 1:1 - - 1:1 250 V-us - - 11.3mm 0.445 11.30mm 16.7mm - No SVHC RoHS Compliant
        IT258
        IT258

        694-958-IT258 Schaffner EMC Inc.
        RoHS :
        Package : -
        In Stock : 53
        1 : -
        Schaffner EMC Inc. IT364
        Mfr. Part #
        IT364
        Twicea Part #
        694-958-IT364         		Schaffner EMC Inc.
        Pulse Transformers PULSE TRANSFORMERS
        Datasheet Compare
        58 In Stock
          Min.:1
          Mult.:1
          		 10 Weeks PCB, Through Hole Through Hole 6 220.000011g -25°C~70°C Tray 2008 IT 1.969Lx1.969W 50.00mmx50.00mm - yes Active 1 (Unlimited) - EAR99 - GENERAL PURPOSE - 1 50mm 40kHz UL - - - 1.5mH 160mOhm PC Pin - 3000V Data/Voice Coupling 1:1 - - 1:1 5000 V-us - 1700ns - 2.362 60.00mm - No - RoHS Compliant
          IT364
          IT364

          694-958-IT364 Schaffner EMC Inc.
          RoHS :
          Package : -
          In Stock : 58
          1 : -
          Schaffner EMC Inc. IT249
          Mfr. Part #
          IT249
          Twicea Part #
          694-958-IT249           		Schaffner EMC Inc.
          Pulse Transformer 2: 1: 1 3.1Ohm Prim. DCR 1.5Ohm Sec. DCR 9pF 6 Terminal PC Pin Thru-Hole
          Datasheet Compare
          571 In Stock
            Min.:1
            Mult.:1
            		 10 Weeks PCB, Through Hole Through Hole 6 0.2oz 5.7g -25°C~70°C Tray 2008 IT 0.693Lx0.657W 17.60mmx16.70mm - yes Active Not Applicable Through Hole EAR99 - GENERAL PURPOSE - 1 17.6mm 40kHz UL - - - 17mH 3.1Ohm PC Pin - 3.2kV Data/Voice Coupling 2.1:1 - - - 330 V-us - 4000ns 11.3mm 0.445 11.30mm - - - RoHS Compliant
            IT249
            IT249

            694-958-IT249 Schaffner EMC Inc.
            RoHS :
            Package : -
            In Stock : 571
            1 : -
            Schaffner EMC Inc. IT234
            Mfr. Part #
            IT234
            Twicea Part #
            694-958-IT234             		Schaffner EMC Inc.
            XFRMR PULSE 3:1:1 DL 17MH .25A
            Datasheet Compare
            81 In Stock
              Min.:1
              Mult.:1
              		 10 Weeks PCB, Through Hole Through Hole 6 0.46oz 13.11g -25°C~70°C Tray 2008 IT 1.063Lx0.886W 27.00mmx22.50mm - yes Active Not Applicable Through Hole EAR99 - GENERAL PURPOSE - 1 27mm 40kHz UL L27.0XB22.5XH13.7 (mm) - - 17mH 2Ohm PC Pin - 4kV Data/Voice Coupling 3:1 - - - 280 V-us - 1000ns 13.7mm 13.7mm 22.5mm No No SVHC RoHS Compliant
              IT234
              IT234

              694-958-IT234 Schaffner EMC Inc.
              RoHS :
              Package : -
              In Stock : 81
              1 : -
              Schaffner EMC Inc. IT313
              Mfr. Part #
              IT313
              Twicea Part #
              694-958-IT313               		Schaffner EMC Inc.
              Pulse Transformer 1: 1: 1 0.33Ohm Prim. DCR 0.4Ohm Sec. DCR 27pF 6 Terminal PC Pin Thru-Hole
              Datasheet Compare
              188 In Stock
                Min.:1
                Mult.:1
                		 10 Weeks PCB, Through Hole Through Hole 6 0.85oz 24.22g -25°C~70°C Tray 2013 IT 1.004Lx1.004W 25.50mmx25.50mm - yes Active Not Applicable - EAR99 - GENERAL PURPOSE - 1 25.5mm 40kHz UL L25.5XB25.5XH25.0 (mm) - 380V 3mH 330mOhm PC Pin 600ns 2.5kV Data/Voice Coupling 1:1.1 1 1 - 450 V-us 0.33Ohm - 25mm 0.992 25.20mm - - - RoHS Compliant
                IT313
                IT313

                694-958-IT313 Schaffner EMC Inc.
                RoHS :
                Package : -
                In Stock : 188
                1 : -
                Schaffner EMC Inc. IT233
                Mfr. Part #
                IT233
                Twicea Part #
                694-958-IT233                 		Schaffner EMC Inc.
                SCHAFFNER IT233 TRANSFORMER, PULSE, 1:1:1, 3mH
                Datasheet Compare
                302 In Stock
                  Min.:1
                  Mult.:1
                  		 10 Weeks PCB, Through Hole Through Hole 6 0.46oz 13.11g -25°C~70°C Tray 2008 IT 1.063Lx0.886W 27.00mmx22.50mm - yes Active Not Applicable - EAR99 - GENERAL PURPOSE - 1 27mm 40kHz UL L27.0XB22.5XH13.7 (mm) - - 3mH 800mOhm PC Pin 1.3μs 4kV Data/Voice Coupling 1:1.1 - - - 300 V-us - - 13.7mm 13.7mm 22.5mm No No SVHC RoHS Compliant
                  IT233
                  IT233

                  694-958-IT233 Schaffner EMC Inc.
                  RoHS :
                  Package : -
                  In Stock : 302
                  1 : -
                  Schaffner EMC Inc. IT370
                  Mfr. Part #
                  IT370
                  Twicea Part #
                  694-958-IT370                   		Schaffner EMC Inc.
                  Pulse Transformer 1:1 0.16Ohm Prim. DCR 0.18Ohm Sec. DCR 40pF 4000Vus Through Hole
                  Datasheet Compare
                  14 In Stock
                    Min.:1
                    Mult.:1
                    		 10 Weeks PCB, Through Hole Through Hole 5 2.47oz 70.38g -25°C~70°C Tray 2008 IT 1.063Lx1.268W 27.00mmx32.20mm - yes Active 1 (Unlimited) - EAR99 - GENERAL PURPOSE - 1 27mm 40kHz UL L27.0XB32.2XH23.7 (mm) - - 300μH 160mOhm PC Pin - 1000V Data/Voice Coupling 1:1 - - 1:1 4000 V-us - 600ns - 0.933 23.70mm 32.2mm No - RoHS Compliant
                    IT370
                    IT370

                    694-958-IT370 Schaffner EMC Inc.
                    RoHS :
                    Package : -
                    In Stock : 14
                    1 : -
                    Schaffner EMC Inc. IT243
                    Mfr. Part #
                    IT243
                    Twicea Part #
                    694-958-IT243                     		Schaffner EMC Inc.
                    SCHAFFNER IT243 TRANSFORMER, PULSE, 1:1:1, 2.5mH
                    Datasheet Compare
                    111 In Stock
                      Min.:1
                      Mult.:1
                      		 10 Weeks Through Hole Through Hole 6 0.2oz 5.7g -25°C~70°C Tray 2008 IT 0.693Lx0.657W 17.60mmx16.70mm - yes Active Not Applicable - EAR99 - GENERAL PURPOSE - 1 17.6mm 40kHz UL - - 500V 2.5mH 800mOhm PC Pin 1μs 3.2kV Data/Voice Coupling 1:1.1 1 1 - 250 V-us 0.8Ohm - 11.3mm 0.445 11.30mm - - No SVHC RoHS Compliant
                      IT243
                      IT243

                      694-958-IT243 Schaffner EMC Inc.
                      RoHS :
                      Package : -
                      In Stock : 111
                      1 : -
                      Schaffner EMC Inc. IT253
                      Mfr. Part #
                      IT253
                      Twicea Part #
                      694-958-IT253                       		Schaffner EMC Inc.
                      XFRMR PULSE 1:1:1 DL 1.1MH .25A
                      Datasheet Compare
                      62 In Stock
                        Min.:1
                        Mult.:1
                        		 10 Weeks PCB, Through Hole Through Hole 6 0.2oz 5.7g -25°C~70°C Tray 2008 IT 0.693Lx0.657W 17.60mmx16.70mm - yes Active Not Applicable - EAR99 - GENERAL PURPOSE 6pF 1 17.6mm 40kHz UL - 500V - 1.1mH 550mOhm PC Pin - 3.2kV Data/Voice Coupling 1:1.1 - - - - - 1300ns 11.3mm 0.445 11.30mm - No No SVHC RoHS Compliant
                        IT253
                        IT253

                        694-958-IT253 Schaffner EMC Inc.
                        RoHS :
                        Package : -
                        In Stock : 62
                        1 : -
                        Schaffner EMC Inc. IT255
                        Mfr. Part #
                        IT255
                        Twicea Part #
                        694-958-IT255                         		Schaffner EMC Inc.
                        SCHAFFNER IT255TRANSFORMER, PULSE, 1:1, 2.2mH
                        Datasheet Compare
                        1620 In Stock
                          Min.:1
                          Mult.:1
                          		 10 Weeks PCB, Through Hole Through Hole 4 0.2oz 5.7g -25°C~70°C Tray 2008 IT 0.693Lx0.657W 17.60mmx16.70mm - yes Active Not Applicable - EAR99 - GENERAL PURPOSE - 1 17.6mm 40kHz UL L17.6XB16.7XH11.3 (mm) - - 2.2mH 800mOhm PC Pin 1.1μs 4kV Data/Voice Coupling 1:1 - - 1:1 250 V-us - - 11.3mm 0.445 11.30mm 16.7mm No No SVHC RoHS Compliant
                          IT255
                          IT255

                          694-958-IT255 Schaffner EMC Inc.
                          RoHS :
                          Package : -
                          In Stock : 1620
                          1 : -
                          Schaffner EMC Inc. IT312
                          Mfr. Part #
                          IT312
                          Twicea Part #
                          694-958-IT312                           		Schaffner EMC Inc.
                          XFRMR PULSE 1:1:1 DL 21MH .25A
                          Datasheet Compare
                          55 In Stock
                            Min.:1
                            Mult.:1
                            		 10 Weeks PCB, Through Hole Through Hole 6 0.85oz 24.22g -25°C~70°C Tray 2008 IT 1.004Lx1.004W 25.50mmx25.50mm - yes Active Not Applicable Through Hole EAR99 - GENERAL PURPOSE - 1 25.5mm 40kHz UL L25.5XB25.5XH25.0 (mm) - - 21mH 2.4Ohm PC Pin - 380V Data/Voice Coupling 1:1.1 - - - 1200 V-us - 1000ns 25mm 0.992 25.20mm - No - RoHS Compliant
                            IT312
                            IT312

                            694-958-IT312 Schaffner EMC Inc.
                            RoHS :
                            Package : -
                            In Stock : 55
                            1 : -
                            Schaffner EMC Inc. IT260
                            Mfr. Part #
                            IT260
                            Twicea Part #
                            694-958-IT260                             		Schaffner EMC Inc.
                            XFRMR PULSE 3:1 SGL 12MH .1A
                            Datasheet Compare
                            179 In Stock
                              Min.:1
                              Mult.:1
                              		 10 Weeks PCB, Through Hole Through Hole 4 0.2oz 5.7g -25°C~70°C Tray 2008 IT 0.693Lx0.657W 17.60mmx16.70mm - yes Active Not Applicable - EAR99 - GENERAL PURPOSE - 1 17.6mm 40kHz UL L17.6XB16.7XH11.3 (mm) - - 12mH 2Ohm PC Pin - 500V Data/Voice Coupling 3:1 - - 3:1 200 V-us - 300ns 11.3mm 0.445 11.30mm 16.7mm No - RoHS Compliant
                              IT260
                              IT260

                              694-958-IT260 Schaffner EMC Inc.
                              RoHS :
                              Package : -
                              In Stock : 179
                              1 : -
                              Schaffner EMC Inc. IT213
                              Mfr. Part #
                              IT213
                              Twicea Part #
                              694-958-IT213                               		Schaffner EMC Inc.
                              Pulse Transformers 0.25A 6.5mH 1:1:1 DL PULSE TRANSFORMERS
                              Datasheet Compare
                              8 In Stock
                                Min.:1
                                Mult.:1
                                		 10 Weeks Through Hole Through Hole 6 0.32oz 9.12g -25°C~70°C Tray 2013 IT 0.748Dia 19.00mm - yes Active 1 (Unlimited) - EAR99 - GENERAL PURPOSE - 1 19mm 40kHz UL D19.0XH20.0 (mm) - - 6.5mH 1.4Ohm PC Pin - 2.5kV Data/Voice Coupling 1:1.1 - - - 450 V-us - 400ns 20mm 0.787 20.00mm - No - RoHS Compliant
                                IT213
                                IT213

                                694-958-IT213 Schaffner EMC Inc.
                                RoHS :
                                Package : -
                                In Stock : 8
                                1 : -
                                Schaffner EMC Inc. IT248
                                Mfr. Part #
                                IT248
                                Twicea Part #
                                694-958-IT248                                 		Schaffner EMC Inc.
                                XFRMR PULSE 2:1 SGL 17MH .25A
                                Datasheet Compare
                                49 In Stock
                                  Min.:1
                                  Mult.:1
                                  		 10 Weeks PCB, Through Hole Through Hole 4 0.2oz 5.7g -25°C~70°C Tray 2008 IT 0.693Lx0.657W 17.60mmx16.70mm - yes Active Not Applicable Through Hole EAR99 - GENERAL PURPOSE - 1 17.6mm 40kHz UL L17.6XB16.7XH11.3 (mm) - - 17mH 3.2Ohm PC Pin 1.8μs 3.2kV Data/Voice Coupling 2:1 - - 2:1 350 V-us - - 11.3mm 0.445 11.30mm 16.7mm No - RoHS Compliant
                                  IT248
                                  IT248

                                  694-958-IT248 Schaffner EMC Inc.
                                  RoHS :
                                  Package : -
                                  In Stock : 49
                                  1 : -
                                  Schaffner EMC Inc. IT246
                                  Mfr. Part #
                                  IT246
                                  Twicea Part #
                                  694-958-IT246                                   		Schaffner EMC Inc.
                                  XFRMR PULSE 2:1 SGL 7MH .1A
                                  Datasheet Compare
                                  35 In Stock
                                    Min.:1
                                    Mult.:1
                                    		 10 Weeks Through Hole Through Hole 4 0.2oz 5.7g -25°C~70°C Tray 2008 IT 0.693Lx0.657W 17.60mmx16.70mm - yes Active Not Applicable Through Hole EAR99 - GENERAL PURPOSE - 1 17.6mm 40kHz UL L17.6XB16.7XH11.3 (mm) - - 7mH 2.1Ohm PC Pin 400ns 750V Data/Voice Coupling 2:1 - - 2:1 200 V-us - - 11.3mm 0.445 11.30mm 16.7mm No - RoHS Compliant
                                    IT246
                                    IT246

                                    694-958-IT246 Schaffner EMC Inc.
                                    RoHS :
                                    Package : -
                                    In Stock : 35
                                    1 : -
                                    Schaffner EMC Inc. IT245
                                    Mfr. Part #
                                    IT245
                                    Twicea Part #
                                    694-958-IT245                                     		Schaffner EMC Inc.
                                    XFRMR PULSE 1:1 SGL 8MH .1A
                                    Datasheet Compare
                                    744 In Stock
                                      Min.:1
                                      Mult.:1
                                      		 10 Weeks Through Hole Through Hole 4 0.2oz 5.7g -25°C~70°C Tray 2008 IT 0.693Lx0.657W 17.60mmx16.70mm - yes Active Not Applicable - EAR99 - GENERAL PURPOSE - 1 17.6mm 40kHz UL L17.6XB16.7XH11.3 (mm) - 750V 8mH 1.48Ohm PC Pin 1.2μs 4kV Data/Voice Coupling 1:1 1 1 1:1 500 V-us - - 11.3mm 0.445 11.30mm 16.7mm - No SVHC RoHS Compliant
                                      IT245
                                      IT245

                                      694-958-IT245 Schaffner EMC Inc.
                                      RoHS :
                                      Package : -
                                      In Stock : 744
                                      1 : -
                                      Schaffner EMC Inc. IT314
                                      Mfr. Part #
                                      IT314
                                      Twicea Part #
                                      694-958-IT314                                       		Schaffner EMC Inc.
                                      XFRMR PULSE 3:1:1 DUAL 35MH 1A
                                      Datasheet Compare
                                      68 In Stock
                                        Min.:1
                                        Mult.:1
                                        		 10 Weeks PCB, Through Hole Through Hole 6 0.88oz 25.08g -25°C~70°C Tray 2013 IT 1.004Lx1.004W 25.50mmx25.50mm - yes Active 1 (Unlimited) - EAR99 - GENERAL PURPOSE - 1 25.5mm 40kHz UL L25.5XB25.5XH25.0 (mm) - - 35mH 1.6Ohm PC Pin - 380V Data/Voice Coupling 3:1 - - - 500 V-us - 1000ns 25mm 0.992 25.20mm - No - RoHS Compliant
                                        IT314
                                        IT314

                                        694-958-IT314 Schaffner EMC Inc.
                                        RoHS :
                                        Package : -
                                        In Stock : 68
                                        1 : -
                                        Schaffner EMC Inc. IT239
                                        Mfr. Part #
                                        IT239
                                        Twicea Part #
                                        694-958-IT239                                         		Schaffner EMC Inc.
                                        XFRMR PULSE 1:1 SGL 3MH .25A
                                        Datasheet Compare
                                        107 In Stock
                                          Min.:1
                                          Mult.:1
                                          		 10 Weeks PCB, Through Hole Through Hole 4 0.46oz 13.11g -25°C~70°C Tray 2013 IT 1.063Lx0.886W 27.00mmx22.50mm - yes Active Not Applicable Through Hole EAR99 - GENERAL PURPOSE - 1 27mm 40kHz UL L27.0XB22.5XH13.7 (mm) - - 3mH 900mOhm PC Pin 2.3μs 6kV Data/Voice Coupling 1:1 - - 1:1 300 V-us - - 13.7mm 13.7mm 22.5mm No - RoHS Compliant
                                          IT239
                                          IT239

                                          694-958-IT239 Schaffner EMC Inc.
                                          RoHS :
                                          Package : -
                                          In Stock : 107
                                          1 : -

                                          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: IT244,IT237,IT258,IT364,IT249.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 28 pieces of spot stock price information, you can click the "RFQ" button to confirm the inventory and price with the Twicea.