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SM4T12CAY - STMicroelectronics

Description: Automotive 400 W, 10 V TVS in SMA

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SM4T12CAY - STMicroelectronics - PCB symbol
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SM4T12CAY - STMicroelectronics PCB footprint - Other - Other - SMA_BD
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SM4T12CAY Details

  • Manufacturer Part Number:

    SM4T12CAY

  • 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:

    53 Weeks, 1 Day

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6.1

  • Breakdown Voltage-Max:

    12.3 V

  • Breakdown Voltage-Min:

    11.1 V

  • Breakdown Voltage-Nom:

    11.7 V

  • Clamping Voltage-Max:

    21.7 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

  • Reference Standard:

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

  • Rep Pk Reverse Voltage-Max:

    10 V

  • Reverse Current-Max:

    0.2 µA

  • Reverse Test Voltage:

    10 V

  • Surface Mount:

    YES

  • Technology:

    AVALANCHE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    C BEND

  • Terminal Position:

    DUAL

SM4T12CAY Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in their application note AN5083, which includes guidelines for thermal pad connection, copper pour, and via placement to ensure optimal thermal performance.
  • The thermal shutdown feature is enabled by default. To handle it, monitor the TSD (Thermal Shutdown) pin, which goes low when the device reaches the thermal shutdown temperature (typically 150°C). When TSD is low, the device is disabled, and the output voltage is reduced to prevent overheating.
  • The maximum allowed voltage on the input pins (VIN, EN, and SYNC) is 6V. Exceeding this voltage may damage the device. Ensure that the input voltage is within the recommended range to prevent damage.
  • The output voltage ripple can be calculated using the formula: ΔVout = (Iout * ESL) / (Cout * fsw), where Iout is the output current, ESL is the equivalent series inductance of the output capacitor, Cout is the output capacitance, and fsw is the switching frequency. This calculation helps determine the required output capacitance for a specific application.
  • The SYNC pin is used to synchronize the switching frequency of multiple SM4T12CAY devices in a multi-phase configuration. To use it, connect the SYNC pins of all devices together and ensure that the devices are properly phased to achieve the desired output current and ripple reduction.

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SM4T12CAY 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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