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SM4T21AY - STMicroelectronics

Description: Automotive 400 W, 18 V TVS in SMA

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SM4T21AY - STMicroelectronics PCB footprint - Other - Other - SMA_UD
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SM4T21AY - STMicroelectronics  - 3D model - Other - SMA_UD
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SM4T21AY Details

  • Manufacturer Part Number:

    SM4T21AY

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DO-214AC

  • Package Description:

    ROHS COMPLIANT, PLASTIC, SMA, 2 PIN

  • Pin Count:

    2

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.10.00.50

  • Factory Lead Time:

    53 Weeks, 1 Day

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6.1

  • Breakdown Voltage-Max:

    22.2 V

  • Breakdown Voltage-Min:

    20 V

  • Breakdown Voltage-Nom:

    21.1 V

  • Clamping Voltage-Max:

    39.3 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):

    NOT SPECIFIED

  • Polarity:

    UNIDIRECTIONAL

  • Qualification Status:

    Not Qualified

  • Reference Standard:

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

  • Rep Pk Reverse Voltage-Max:

    18 V

  • Reverse Current-Max:

    0.2 µA

  • Reverse Test Voltage:

    18 V

  • Surface Mount:

    YES

  • Technology:

    AVALANCHE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    C BEND

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    NOT SPECIFIED

SM4T21AY Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the SM4T21AY is -40°C to 125°C.
  • The SM4T21AY has an internal POR and BOR circuitry. Ensure that your design includes a power-on reset circuit and a brown-out detector to handle voltage drops and power-on sequences.
  • The SM4T21AY can operate up to 32 kHz with an external crystal oscillator or up to 16 MHz with an external clock source.
  • The ADC can be configured using the ADC_CR1 and ADC_CR2 registers. Set the ADC mode, channel selection, and conversion speed according to your application requirements.
  • The internal voltage regulator helps to regulate the internal voltage supply to the microcontroller, ensuring stable operation and reducing the need for external voltage regulation components.

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SM4T21AY 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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