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T1235H-8T - STMicroelectronics

Description: TRIAC Alternistor - Snubberless 800 V 12 A Through Hole TO-220

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T1235H-8T - STMicroelectronics - PCB symbol
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PCB Footprints
T1235H-8T - STMicroelectronics PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - TO-220AB Insulated_2021
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3D Models
T1235H-8T - STMicroelectronics - 3D model - Transistor Outline, Vertical - TO-220AB Insulated_2021
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T1235H-8T Details

  • Manufacturer Part Number:

    T1235H-8T

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.30.00.80

  • Factory Lead Time:

    15 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6

  • Case Connection:

    MAIN TERMINAL 2

  • Configuration:

    SINGLE

  • Critical Rate of Rise of Off-State Voltage-Min:

    2000 V/us

  • DC Gate Trigger Current-Max:

    35 mA

  • DC Gate Trigger Voltage-Max:

    1.3 V

  • Holding Current-Max:

    35 mA

  • JEDEC-95 Code:

    TO-220AB

  • JESD-30 Code:

    R-PSFM-T3

  • JESD-609 Code:

    e3

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • On-State Voltage-Max:

    1.5 V

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • RMS On-state Current-Max:

    12 A

  • Repetitive Peak Off-state Voltage:

    800 V

  • Surface Mount:

    NO

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    SINGLE

  • Trigger Device Type:

    SNUBBERLESS TRIAC

T1235H-8T Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in their application note AN5046, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • The gate resistor value depends on the specific application, switching frequency, and gate drive voltage. A general guideline is to use a value between 1 ohm and 10 ohms. Consult the application note AN4533 for more detailed guidance on gate resistor selection.
  • Although the datasheet specifies a maximum VCC voltage of 20V, it's recommended to limit the voltage to 15V to ensure reliable operation and prevent damage to the internal voltage regulator.
  • Yes, the T1235H-8T is rated for operation up to 150°C (TJ). However, it's essential to ensure proper thermal management, such as heat sinking and airflow, to prevent overheating and maintain reliability.
  • Consult the troubleshooting guide in the application note AN5046, which provides a step-by-step approach to identifying and resolving common issues. Additionally, review the device's fault detection and protection features, such as overcurrent protection and thermal shutdown.

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T1235H-8T Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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