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                                                                                                      1. Home
                                                                                                      2. Semiconductors - Discretes
                                                                                                      3. Transistors
                                                                                                      4. Bipolar Transistors
                                                                                                      5. Single Bipolar Junction Transistors - BJT
                                                                                                      Print Page

                                                                                                      BUF420AW

                                                                                                      Bipolar (BJT) Single Transistor, NPN, 450 V, 30 A, 200 W, TO-247, Through Hole

                                                                                                      STMICROELECTRONICS BUF420AW
                                                                                                      Image is for illustrative purposes only. Please refer to product description.
                                                                                                      ManufacturerSTMICROELECTRONICS
                                                                                                      Manufacturer Part NoBUF420AW
                                                                                                      Order Code1084546
                                                                                                      Technical Datasheet

                                                                                                      Data Sheet

                                                                                                      See all Technical Docs
                                                                                                      781 In Stock

                                                                                                      Need more?

                                                                                                      781 Delivery in 4-6 Business Days(UK stock)
                                                                                                      Available until stock is exhausted
                                                                                                      QuantityPrice
                                                                                                      1+Rs.1,818.400
                                                                                                      5+Rs.1,591.100
                                                                                                      10+Rs.1,318.340
                                                                                                      50+Rs.1,181.960
                                                                                                      100+Rs.1,091.040
                                                                                                      250+Rs.1,018.300
                                                                                                      Price for:Each
                                                                                                      Minimum: 1
                                                                                                      Multiple: 1
                                                                                                      Rs.1,818.40
                                                                                                      Enter Your Part No/Line Note
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                                                                                                      This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                                                                                                      Product Information

                                                                                                      ManufacturerSTMICROELECTRONICS
                                                                                                      Manufacturer Part NoBUF420AW
                                                                                                      Order Code1084546
                                                                                                      Technical Datasheet

                                                                                                      Data Sheet

                                                                                                      Transistor PolarityNPN
                                                                                                      Collector Emitter Voltage Max450V
                                                                                                      Continuous Collector Current30A
                                                                                                      Power Dissipation200W
                                                                                                      Transistor Case StyleTO-247
                                                                                                      Transistor MountingThrough Hole
                                                                                                      No. of Pins3Pins
                                                                                                      Transition Frequency-
                                                                                                      DC Current Gain hFE Min35hFE
                                                                                                      Operating Temperature Max150°C
                                                                                                      Product Range-
                                                                                                      Qualification-
                                                                                                      MSL-
                                                                                                      SVHCNo SVHC (25-Jun-2020)

                                                                                                      Product Overview

                                                                                                      The BUF420AW is a 450V High Voltage Fast Switching NPN Power Transistor manufactured using high voltage Multiepitaxial planar technology for high switching speeds and high voltage capacity. It uses a cellular emitter structure with planar edge termination to enhance switching speeds while maintaining a wide RBSOA. The BUF series is designed for use in high frequency power supplies and motor control applications. Fast switching times and very low saturation voltage resulting in reduced switching and conduction losses.

                                                                                                      • High voltage capability
                                                                                                      • Very high switching speed
                                                                                                      • Minimum lot-to-lot spread for reliable operation
                                                                                                      • Low base drive requirements
                                                                                                      • Well-controlled hFE parameter for increased reliability

                                                                                                      Applications

                                                                                                      Power Management, Motor Drive & Control

                                                                                                      Technical Specifications

                                                                                                      Transistor Polarity

                                                                                                      NPN

                                                                                                      Continuous Collector Current

                                                                                                      30A

                                                                                                      Transistor Case Style

                                                                                                      TO-247

                                                                                                      No. of Pins

                                                                                                      3Pins

                                                                                                      DC Current Gain hFE Min

                                                                                                      35hFE

                                                                                                      Product Range

                                                                                                      -

                                                                                                      MSL

                                                                                                      -

                                                                                                      Collector Emitter Voltage Max

                                                                                                      450V

                                                                                                      Power Dissipation

                                                                                                      200W

                                                                                                      Transistor Mounting

                                                                                                      Through Hole

                                                                                                      Transition Frequency

                                                                                                      -

                                                                                                      Operating Temperature Max

                                                                                                      150°C

                                                                                                      Qualification

                                                                                                      -

                                                                                                      SVHC

                                                                                                      No SVHC (25-Jun-2020)

                                                                                                      Technical Docs (2)

                                                                                                      Product Change Notice EN

                                                                                                      Technical Data Sheet EN

                                                                                                      Associated Products

                                                                                                      4 Products Found

                                                                                                      Legislation and Environmental

                                                                                                      Country of Origin:
                                                                                                      Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                      China
                                                                                                      Country in which last significant manufacturing process was carried out
                                                                                                      Tariff No:85412900
                                                                                                      US ECCN:EAR99
                                                                                                      EU ECCN:NLR
                                                                                                      RoHS Compliant:Yes

                                                                                                      RoHS

                                                                                                      RoHS Phthalates Compliant:Yes

                                                                                                      RoHS

                                                                                                      SVHC:No SVHC (25-Jun-2020)
                                                                                                      Download Product Compliance Certificate

                                                                                                      Product Compliance Certificate

                                                                                                      Weight (kg):.004309
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