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SMAJ18A - LITTELFUSE

Description: 400W Peak pulse power capability at 10/1000µs waveform, repetition rate (duty cycle): 0.01% • Excellent clamping capability • Typical IR less than 1μA when VBR min>12V • For surface mounted applications to optimize board space • Low profile package • Typical failure mode is short from over-specified voltage or current • Whisker test is conducted based on JEDEC JESD201A per its table 4a and 4c • IEC-61000-4-2 ESD 30kV(Air), 30kV (Contact) • ESD protection of data lines in accordance wit

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SMAJ18A - LITTELFUSE PCB footprint - Diodes Moulded - Diodes Moulded - DO-214AC (SMA)_2.29
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SMAJ18A - LITTELFUSE  - 3D model - Diodes Moulded - DO-214AC (SMA)_2.29
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SMAJ18A Details

  • Manufacturer Part Number:

    SMAJ18A

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DO-214AC

  • Package Description:

    SMA, 2 PIN

  • Pin Count:

    2

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.10.00.50

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    6.1

  • Breakdown Voltage-Max:

    22.1 V

  • Breakdown Voltage-Min:

    20 V

  • Breakdown Voltage-Nom:

    21.05 V

  • Clamping Voltage-Max:

    29.2 V

  • Configuration:

    SINGLE, 1 CHANNEL

  • Diode Element Material:

    SILICON

  • Diode Type:

    TRANS VOLTAGE SUPPRESSOR DIODE

  • Forward Voltage-Max (VF):

    3.5 V

  • JEDEC-95 Code:

    DO-214AC

  • JESD-30 Code:

    R-PDSO-C2

  • 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:

    -65 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Polarity:

    UNIDIRECTIONAL

  • Power Dissipation-Max:

    3.3 W

  • Qualification Status:

    Not Qualified

  • Reference Standard:

    IEC-61000-4-2; UL RECOGNIZED

  • Rep Pk Reverse Voltage-Max:

    18 V

  • Reverse Current-Max:

    1 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):

    30

SMAJ18A Frequently Asked Questions (FAQs)

  • The recommended footprint and land pattern for SMAJ18A can be found in the Littelfuse application note AN9313, which provides guidelines for surface mount assembly of TVS diodes.
  • To ensure reliability in high-temperature applications, it is recommended to derate the power rating of SMAJ18A according to the temperature derating curve provided in the datasheet. Additionally, ensure that the device is soldered correctly and that the PCB is designed to minimize thermal stress.
  • Yes, SMAJ18A is AEC-Q101 qualified, which means it meets the stringent requirements for automotive applications. However, it is recommended to consult with Littelfuse application engineers to ensure that the device meets the specific requirements of the automotive system.
  • To select the correct SMAJ18A variant, consider the following factors: working voltage, peak pulse current, and clamping voltage. Consult the datasheet and application notes to determine the most suitable variant for your specific application.
  • SMAJ18A has an ESD rating of ±30kV, which means it can withstand electrostatic discharges up to 30kV without damage.

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SMAJ18A Overview

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