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  • Transistors - Bipolar (BJT) - RF
Image Part # Manufacturer Description Availability Pricing Quantity MountMounting TypePackage / CaseNumber of PinsTransistor Element MaterialCollector-Emitter Breakdown VoltagehFEMinNumber of ElementsRoHSOperating TemperaturePackagingSeriesJESD-609 CodePbfree CodePart StatusMoisture Sensitivity Level (MSL)Number of TerminationsECCN CodeTypeTerminal FinishMax Operating TemperatureMin Operating TemperatureAdditional FeatureVoltage - Rated DCMax Power DissipationTerminal PositionTerminal FormPeak Reflow Temperature (Cel)Current RatingFrequencyTime@Peak Reflow Temperature-Max (s)Base Part NumberPin CountJESD-30 CodeQualification StatusConfigurationNoteElement ConfigurationPower DissipationCase ConnectionOutput PowerTransistor ApplicationGain Bandwidth ProductPolarity/Channel TypeTransistor TypeCollector Emitter Voltage (VCEO)Max Collector CurrentDC Current Gain (hFE) (Min) @ Ic, VceGainTransition FrequencyMax Breakdown VoltageFrequency - TransitionCollector Base Voltage (VCBO)Emitter Base Voltage (VEBO)Continuous Collector CurrentHighest Frequency BandCollector-Base Capacitance-MaxNoise Figure (dB Typ @ f)HeightLengthWidthRadiation HardeningRoHS StatusLead Free
Image Part # Manufacturer Description Availability Pricing Quantity MountMounting TypePackage / CaseNumber of PinsTransistor Element MaterialCollector-Emitter Breakdown VoltagehFEMinNumber of ElementsRoHSOperating TemperaturePackagingSeriesJESD-609 CodePbfree CodePart StatusMoisture Sensitivity Level (MSL)Number of TerminationsECCN CodeTypeTerminal FinishMax Operating TemperatureMin Operating TemperatureAdditional FeatureVoltage - Rated DCMax Power DissipationTerminal PositionTerminal FormPeak Reflow Temperature (Cel)Current RatingFrequencyTime@Peak Reflow Temperature-Max (s)Base Part NumberPin CountJESD-30 CodeQualification StatusConfigurationNoteElement ConfigurationPower DissipationCase ConnectionOutput PowerTransistor ApplicationGain Bandwidth ProductPolarity/Channel TypeTransistor TypeCollector Emitter Voltage (VCEO)Max Collector CurrentDC Current Gain (hFE) (Min) @ Ic, VceGainTransition FrequencyMax Breakdown VoltageFrequency - TransitionCollector Base Voltage (VCBO)Emitter Base Voltage (VEBO)Continuous Collector CurrentHighest Frequency BandCollector-Base Capacitance-MaxNoise Figure (dB Typ @ f)HeightLengthWidthRadiation HardeningRoHS StatusLead Free
STMicroelectronics SD1446
Mfr. Part #
SD1446
Twicea Part #
761-364-SD1446
STMicroelectronics
RF Bipolar Transistors NPN 12.5V 50MHz
Datasheet Compare
182 In Stock
    Min.:1
    Mult.:1
    Surface Mount Surface Mount M113 113 SILICON 18V 10 1 - 200°C TJ Bulk - - - Obsolete 1 (Unlimited) 4 EAR99 - - - - - 36V 183W RADIAL FLAT NOT SPECIFIED 12A - NOT SPECIFIED SD1446 4 O-PRFM-F4 Not Qualified SINGLE - - - - 70W AMPLIFIER - NPN NPN 18V 12A 10 @ 5A 5V 10dB - - - 36V 3.5V 12A ULTRA HIGH FREQUENCY B 300pF - 7.11mm 24.89mm 6.48mm - ROHS3 Compliant Lead Free
    SD1446
    SD1446

    761-364-SD1446 STMicroelectronics
    RoHS :
    Package : -
    In Stock : 182
    1 : -
    STMicroelectronics SD1275-01
    Mfr. Part #
    SD1275-01
    Twicea Part #
    761-364-SD1275-01
    STMicroelectronics
    Trans GP BJT NPN 16V 8A 4-Pin Case M-113 Tray
    Datasheet Compare
      Min.:1
      Mult.:1
      Screw, Surface Mount Surface Mount M113 4 - 16V 20 1 - - Bulk - - yes Obsolete 1 (Unlimited) 4 EAR99 - - 200°C -65°C - 36V 70W RADIAL FLAT - 8A - - SD1275 4 - - SINGLE - - 70W - 40W AMPLIFIER - NPN NPN 16V 8A 20 @ 250mA 5V 9dB 160MHz - - 36V 4V 8A VERY HIGH FREQUENCY B - - 7.11mm 24.89mm 6.48mm No ROHS3 Compliant Lead Free
      SD1275-01
      SD1275-01

      761-364-SD1275-01 STMicroelectronics
      RoHS :
      Package : -
      In Stock : -
      1 : -
      STMicroelectronics SD1488
      Mfr. Part #
      SD1488
      Twicea Part #
      761-364-SD1488
      STMicroelectronics
      RF Bipolar Transistors NPN 12.5V 470MHz
      Datasheet Compare
      10 In Stock
        Min.:1
        Mult.:1
        Surface Mount Surface Mount M111 111 SILICON 16V 20 1 - 200°C TJ Tray - e4 - Obsolete 1 (Unlimited) 6 EAR99 - Gold (Au) - - DIFFUSED EMITTER BALLAST RESISTORS 16V 117W UNSPECIFIED FLAT 260 8A - NOT SPECIFIED SD1488 6 O-PXFM-F6 Not Qualified SINGLE - - - - - AMPLIFIER - NPN NPN 16V 8A 20 @ 1A 5V 5.8dB - - - 36V 4V 8A ULTRA HIGH FREQUENCY B - - 7.11mm 24.89mm 21.97mm - ROHS3 Compliant Lead Free
        SD1488
        SD1488

        761-364-SD1488 STMicroelectronics
        RoHS :
        Package : -
        In Stock : 10
        1 : -
        STMicroelectronics SD1726
        Mfr. Part #
        SD1726
        Twicea Part #
        761-364-SD1726
        STMicroelectronics
        RF Bipolar Transistors NPN 50V 30MHz
        Datasheet Compare
        8 In Stock
          Min.:1
          Mult.:1
          Screw, Surface Mount Surface Mount M174 174 SILICON 55V 18 1 - 200°C TJ Tray - - - Obsolete 1 (Unlimited) 4 EAR99 - - - - - 55V 318W RADIAL FLAT - 20A - - SD1726 4 O-PRFM-F4 - SINGLE - - 318W - - AMPLIFIER - NPN NPN 55V 20A 18 @ 1.4A 6V 14dB - - - 110V 4V 20A HIGH FREQUENCY B 220pF - 7.11mm 24.89mm 12.83mm No ROHS3 Compliant Lead Free
          SD1726
          SD1726

          761-364-SD1726 STMicroelectronics
          RoHS :
          Package : -
          In Stock : 8
          1 : -
          STMicroelectronics SD1274-01
          Mfr. Part #
          SD1274-01
          Twicea Part #
          761-364-SD1274-01
          STMicroelectronics
          Trans GP BJT NPN 16V 8A 4-Pin(4 Tab) Case M-113 Tray
          Datasheet Compare
          101 In Stock
            Min.:1
            Mult.:1
            Screw, Surface Mount Surface Mount M113 113 - 16V 20 1 - - Bulk - - yes Obsolete 1 (Unlimited) 4 EAR99 - - 200°C -65°C - 36V 70W RADIAL FLAT - 8A - - SD1274 4 O-PRFM-F4 - SINGLE - - 70W - - AMPLIFIER - NPN NPN 16V 8A 20 @ 250mA 5V 10dB 175MHz - - 36V 4V 8A VERY HIGH FREQUENCY B - - 7.11mm 24.89mm 6.48mm No ROHS3 Compliant Lead Free
            SD1274-01
            SD1274-01

            761-364-SD1274-01 STMicroelectronics
            RoHS :
            Package : -
            In Stock : 101
            1 : -
            STMicroelectronics SD1477
            Mfr. Part #
            SD1477
            Twicea Part #
            761-364-SD1477
            STMicroelectronics
            RF Bipolar Transistors NPN 12.5V 175MHz
            Datasheet Compare
            5 In Stock
              Min.:1
              Mult.:1
              Screw, Surface Mount Surface Mount M111 111 SILICON 18V 10 1 - 200°C TJ Tray - - - Obsolete 1 (Unlimited) 6 EAR99 - - - - DIFFUSED EMITTER BALLAST RESISTORS 18V 270W UNSPECIFIED FLAT NOT SPECIFIED 20A - NOT SPECIFIED SD1477 6 O-PXFM-F6 Not Qualified SINGLE - - 270W EMITTER - AMPLIFIER - NPN NPN 18V 20A 10 @ 5A 5V 6dB - - - 36V 4V 20A VERY HIGH FREQUENCY B - - 7.11mm 24.89mm 21.97mm - ROHS3 Compliant Lead Free
              SD1477
              SD1477

              761-364-SD1477 STMicroelectronics
              RoHS :
              Package : -
              In Stock : 5
              1 : -
              STMicroelectronics SD1728
              Mfr. Part #
              SD1728
              Twicea Part #
              761-364-SD1728
              STMicroelectronics
              Trans GP BJT NPN 55V 40A 5-Pin Case M-177
              Datasheet Compare
                Min.:1
                Mult.:1
                Screw, Surface Mount Surface Mount M177 5 SILICON 55V 15 1 - 200°C TJ Bulk - - - Obsolete Not Applicable 4 EAR99 - - - - - 110V 330W RADIAL FLAT - 40A 13.56MHz - SD1728 4 O-PRFM-F4 - SINGLE - - 330W - 200W AMPLIFIER - NPN NPN 55V 40A 23 @ 10A 6V 15dB ~ 17dB - - - 110V 4V 40A - 360pF - 7.11mm 28.96mm 16.13mm No ROHS3 Compliant Lead Free
                SD1728
                SD1728

                761-364-SD1728 STMicroelectronics
                RoHS :
                Package : -
                In Stock : -
                1 : -
                STMicroelectronics START499ETR
                Mfr. Part #
                START499ETR
                Twicea Part #
                761-364-START499ETR
                STMicroelectronics
                Trans GP BJT NPN 4.5V 0.6A 4-Pin(3 Tab) SOT-343 T/R
                Datasheet Compare
                  Min.:1
                  Mult.:1
                  Surface Mount Surface Mount SC-82A, SOT-343 4 SILICON 4.5V 160 1 - 150°C TJ Cut Tape (CT) - e3 - Obsolete 1 (Unlimited) 4 EAR99 - MATTE TIN - - - - 600mW DUAL GULL WING 225 - 42GHz - START499 4 - - - - Single 600mW EMITTER 600mW AMPLIFIER 42 GHz NPN NPN 4.5V 600mA 160 @ 160mA 4V 15dB 42000MHz 4.5V 1.9GHz 15V 1.5V - - - 3.3dB @ 1.8GHz - - - No ROHS3 Compliant Lead Free
                  START499ETR
                  START499ETR

                  761-364-START499ETR STMicroelectronics
                  RoHS :
                  Package : -
                  In Stock : -
                  1 : -
                  STMicroelectronics SD1275
                  Mfr. Part #
                  SD1275
                  Twicea Part #
                  761-364-SD1275
                  STMicroelectronics
                  RF Bipolar Transistors NPN 13.6V 160MHz
                  Datasheet Compare
                    Min.:1
                    Mult.:1
                    Chassis, Stud Chassis, Stud Mount M135 135 SILICON 16V 20 1 - 200°C TJ Bulk - e4 - Obsolete 1 (Unlimited) 4 EAR99 - Gold (Au) - - - 36V 70W RADIAL FLAT 260 8A - NOT SPECIFIED SD1275 4 O-PRPM-F4 Not Qualified SINGLE - - - - - AMPLIFIER - NPN NPN 16V 8A 20 @ 250mA 5V 9dB - - - 36V 4V 8A VERY HIGH FREQUENCY B - - 19.05mm 9.78mm 9.78mm - ROHS3 Compliant Lead Free
                    SD1275
                    SD1275

                    761-364-SD1275 STMicroelectronics
                    RoHS :
                    Package : -
                    In Stock : -
                    1 : -
                    STMicroelectronics SD1274
                    Mfr. Part #
                    SD1274
                    Twicea Part #
                    761-364-SD1274
                    STMicroelectronics
                    RF Bipolar Transistors NPN 13.6V 160MHz
                    Datasheet Compare
                    18 In Stock
                      Min.:1
                      Mult.:1
                      Stud, Surface Mount Surface Mount M135 135 SILICON 16V 20 1 - 200°C TJ Bulk - - yes Obsolete 1 (Unlimited) 4 EAR99 - - - - - 36V 70W RADIAL FLAT - 8A - - SD1274 4 O-PRPM-F4 - SINGLE - - - - - AMPLIFIER - NPN NPN 16V 8A 20 @ 250mA 5V 10dB 175MHz - - 36V 4V 8A VERY HIGH FREQUENCY B - - 19.05mm 9.78mm 9.78mm No ROHS3 Compliant Lead Free
                      SD1274
                      SD1274

                      761-364-SD1274 STMicroelectronics
                      RoHS :
                      Package : -
                      In Stock : 18
                      1 : -
                      STMicroelectronics SD1405
                      Mfr. Part #
                      SD1405
                      Twicea Part #
                      761-364-SD1405
                      STMicroelectronics
                      TRANS NPN RF MCRWAVE HF SSB M174
                      Datasheet Compare
                      214 In Stock
                        Min.:1
                        Mult.:1
                        Surface Mount Surface Mount M174 174 SILICON 18V 20 1 - 200°C TJ Bulk - - - Obsolete 1 (Unlimited) 4 EAR99 - - - - - 36V 270W RADIAL FLAT NOT SPECIFIED 20A - NOT SPECIFIED SD1405 4 O-PRFM-F4 Not Qualified SINGLE - - - - - AMPLIFIER - NPN NPN 18V 20A 20 @ 5A 5V 13dB - - - 36V 4V 20A HIGH FREQUENCY B - - 7.11mm 24.89mm 12.83mm - ROHS3 Compliant Contains Lead
                        SD1405
                        SD1405

                        761-364-SD1405 STMicroelectronics
                        RoHS :
                        Package : -
                        In Stock : 214
                        1 : -
                        STMicroelectronics START405TR
                        Mfr. Part #
                        START405TR
                        Twicea Part #
                        761-364-START405TR
                        STMicroelectronics
                        TRANS RF NPN SILICON SOT-343
                        Datasheet Compare
                          Min.:1
                          Mult.:1
                          Surface Mount Surface Mount SC-82A, SOT-343 4 - 4.5V 160 1 - - Tape & Reel (TR) - e3 no Obsolete 3 (168 Hours) 4 EAR99 - Matte Tin (Sn) 150°C -65°C - - 45mW DUAL GULL WING - - - - START405 4 - - SINGLE - - - EMITTER - AMPLIFIER - NPN NPN 4.5V 10mA 160 @ 5mA 4V 19dB 42000MHz - - 15V 1.5V - C B - 1.1dB @ 1.8GHz - - - No ROHS3 Compliant -
                          START405TR
                          START405TR

                          761-364-START405TR STMicroelectronics
                          RoHS :
                          Package : -
                          In Stock : -
                          1 : -
                          STMicroelectronics 340654
                          Mfr. Part #
                          340654
                          Twicea Part #
                          761-364-340654
                          STMicroelectronics
                          Development Board for STM32L152RE
                          Datasheet Compare
                            Min.:1
                            Mult.:1
                            - - - - - - - - Yes - - STM32L1 - - - - - - Development board - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                            340654
                            340654

                            761-364-340654 STMicroelectronics
                            RoHS :
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                            In Stock : -
                            1 : -
                            STMicroelectronics 311038
                            Mfr. Part #
                            311038
                            Twicea Part #
                            761-364-311038
                            STMicroelectronics
                            Evaluation Board for STM32 F429 MCU 32-Bit
                            Datasheet Compare
                              Min.:1
                              Mult.:1
                              - - - - - - - - Yes - - n/a - - - - - - Evaluation board - - - - - - - - - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - - - - - - - -
                              311038
                              311038

                              761-364-311038 STMicroelectronics
                              RoHS :
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                              In Stock : -
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                              STMicroelectronics 313907
                              Mfr. Part #
                              313907
                              Twicea Part #
                              761-364-313907
                              STMicroelectronics
                              Development Board for STM32L073RZ
                              Datasheet Compare
                                Min.:1
                                Mult.:1
                                - - - - - - - - Yes - - n/a - - - - - - Development board - - - - - - - - - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                313907
                                313907

                                761-364-313907 STMicroelectronics
                                RoHS :
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                                In Stock : -
                                1 : -
                                STMicroelectronics 65295
                                Mfr. Part #
                                65295
                                Twicea Part #
                                761-364-65295
                                STMicroelectronics
                                Starter Kit for STM32-Family
                                Datasheet Compare
                                  Min.:1
                                  Mult.:1
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                                  65295
                                  65295

                                  761-364-65295 STMicroelectronics
                                  RoHS :
                                  Package : -
                                  In Stock : -
                                  1 : -
                                  STMicroelectronics 72772
                                  Mfr. Part #
                                  72772
                                  Twicea Part #
                                  761-364-72772
                                  STMicroelectronics
                                  Demonstration Board - Inductive Proximity Switch
                                  Datasheet Compare
                                    Min.:1
                                    Mult.:1
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                                    72772
                                    72772

                                    761-364-72772 STMicroelectronics
                                    RoHS :
                                    Package : -
                                    In Stock : -
                                    1 : -
                                    STMicroelectronics 157571
                                    Mfr. Part #
                                    157571
                                    Twicea Part #
                                    761-364-157571
                                    STMicroelectronics
                                    Evaluation Board for STM32 F4 MCU 32-Bit
                                    Datasheet Compare
                                      Min.:1
                                      Mult.:1
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                                      157571
                                      157571

                                      761-364-157571 STMicroelectronics
                                      RoHS :
                                      Package : -
                                      In Stock : -
                                      1 : -
                                      STMicroelectronics 202849
                                      Mfr. Part #
                                      202849
                                      Twicea Part #
                                      761-364-202849
                                      STMicroelectronics
                                      Single-phase energy metering Evaluation Board STPM33
                                      Datasheet Compare
                                        Min.:1
                                        Mult.:1
                                        - - - - - - - - Yes - - n/a - - - - - - Evaluation board - - - - - - - - - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                        202849
                                        202849

                                        761-364-202849 STMicroelectronics
                                        RoHS :
                                        Package : -
                                        In Stock : -
                                        1 : -
                                        STMicroelectronics 167417
                                        Mfr. Part #
                                        167417
                                        Twicea Part #
                                        761-364-167417
                                        STMicroelectronics
                                        Development Board for STM32F030x
                                        Datasheet Compare
                                          Min.:1
                                          Mult.:1
                                          - - - - - - - - Yes - - n/a - - - - - - Development board - - - - - - - - - - - - - - - - - n/a - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                          167417
                                          167417

                                          761-364-167417 STMicroelectronics
                                          RoHS :
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                                          In Stock : -
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                                          Discrete Semiconductor Products

                                          Transistors - Bipolar (BJT) - RF definition: A bipolar junction transistor (bipolar transistor or BJT) is a type of transistor that uses both electrons and holes as charge carriers. Uni... Transistors - Bipolar (BJT) - RF Product Listing: SD1446,SD1275-01,SD1488,SD1726,SD1274-01.Discrete Semiconductor Products type:Diodes - Zener - Single(126889),Diodes - Rectifiers - Single(107990),Transistors - FETs, MOSFETs - Single(66871),Transistors - Bipolar (BJT) - Single(41289),Diodes - Bridge Rectifiers(23480) .Transistors - Bipolar (BJT) - RF has 58 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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