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SM4T39CAY - STMicroelectronics

Description: 69.7V Clamp 33A (8/20µs) Ipp Tvs Diode Surface Mount SMA (DO-214AC)

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PCB Footprints
SM4T39CAY - STMicroelectronics PCB footprint - Other - Other - SMA_BD
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SM4T39CAY - STMicroelectronics  - 3D model - Other - SMA_BD
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SM4T39CAY Details

  • Manufacturer Part Number:

    SM4T39CAY

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DO-214AC

  • Package Description:

    SMA, 2 PIN

  • Pin Count:

    2

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.10.00.50

  • Factory Lead Time:

    21 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6.28

  • Breakdown Voltage-Max:

    40.5 V

  • Breakdown Voltage-Min:

    36.7 V

  • Breakdown Voltage-Nom:

    38.6 V

  • Clamping Voltage-Max:

    69.7 V

  • Configuration:

    SINGLE, 1 CHANNEL

  • Diode Element Material:

    SILICON

  • Diode Type:

    TRANS VOLTAGE SUPPRESSOR DIODE

  • JEDEC-95 Code:

    DO-214AC

  • JESD-30 Code:

    R-PDSO-C2

  • JESD-609 Code:

    e3

  • Moisture Sensitivity Level:

    1

  • Non-rep Peak Rev Power Dis-Max:

    400 W

  • Number of Elements:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Polarity:

    BIDIRECTIONAL

  • Qualification Status:

    Not Qualified

  • Reference Standard:

    AEC-Q101; IEC-61000-4-2; ISO 10605

  • Rep Pk Reverse Voltage-Max:

    33 V

  • Reverse Current-Max:

    0.2 µA

  • Reverse Test Voltage:

    33 V

  • Surface Mount:

    YES

  • Technology:

    AVALANCHE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    C BEND

  • Terminal Position:

    DUAL

SM4T39CAY Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. Ensure a minimum of 1mm clearance around the package for airflow and heat dissipation.
  • The thermal shutdown feature is enabled by default. To disable it, tie the TSD pin to VCC. Monitor the junction temperature (TJ) and ensure it stays below 150°C to prevent shutdown.
  • A 10uF ceramic capacitor with a voltage rating of 6.3V or higher is recommended. Place the capacitor as close to the VIN pin as possible.
  • The output voltage is fixed at 1.2V. If a different voltage is required, use an external voltage regulator or a DC-DC converter.
  • The maximum current rating is 300mA. Ensure the total current drawn from the internal voltage regulator does not exceed this rating.

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SM4T39CAY 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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