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MOC3021SVM - onsemi

Description: Optoisolator Triac Output 4170Vrms 1 Channel 6-SMD 400 V 1.15V -40°C ~ 85°C

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Symbol
MOC3021SVM - onsemi - PCB symbol
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PCB Footprints
MOC3021SVM - onsemi PCB footprint - Other - Other - PDIP6 8.51x6.35, 2.54P CASE 646BY ISSUE A_2025-11
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MOC3021SVM Details

  • Manufacturer Part Number:

    MOC3021SVM

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    PDIP-6

  • Manufacturer Package Code:

    646BY

  • Country Of Origin:

    Thailand

  • HTS Code:

    8541.40.80.00

  • Factory Lead Time:

    15 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    6

  • Additional Feature:

    UL RECOGNIZED, VDE APPROVED

  • Configuration:

    SINGLE

  • Forward Current-Max:

    0.06 A

  • Input Trigger Current-Max:

    0.015 A

  • Input Trigger Current-Nom:

    15 mA

  • Isolation Voltage-Max:

    5300 V

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Elements:

    1

  • On-State Voltage-Max:

    3 V

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Optoelectronic Device Type:

    TRIAC OUTPUT OPTOCOUPLER

  • Peak Off-state Voltage-Min:

    400 V

  • Peak Surge Current:

    1 A

  • Repetitive Peak Off-state Voltage:

    400 V

  • Reverse Leakage Current-Max:

    0.0001 A

  • Surface Mount:

    YES

  • Terminal Finish:

    Matte Tin (Sn) - annealed

MOC3021SVM Frequently Asked Questions (FAQs)

  • The recommended PCB layout for the MOC3021SVM involves keeping the input and output circuits separate, using a ground plane to reduce noise, and minimizing the length of the traces between the optocoupler and the surrounding components.
  • To ensure reliable operation of the MOC3021SVM in high-temperature environments, it is recommended to derate the device's current and voltage ratings according to the temperature derating curve provided in the datasheet, and to ensure good thermal management through proper heat sinking and airflow.
  • The maximum allowable voltage across the input pins of the MOC3021SVM is 5V, and exceeding this voltage can damage the device. It is recommended to use a voltage limiter or a resistor divider network to ensure that the input voltage does not exceed 5V.
  • The correct resistor value for the input LED of the MOC3021SVM depends on the input voltage and the desired current through the LED. A general rule of thumb is to choose a resistor value that limits the current to 10-20mA, and to use the datasheet's recommended input current vs. voltage curve to determine the optimal resistor value.
  • The typical propagation delay of the MOC3021SVM is around 1-2us, but this can vary depending on the specific application and operating conditions. It is recommended to consult the datasheet's timing characteristics section for more information.

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MOC3021SVM Overview

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