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TLP421 - Toshiba

Description: DC Input Phototransistor Output Optocoupler, Through Hole, 4-Pin PDIP

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Symbol
TLP421 - Toshiba - PCB symbol
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PCB Footprints
TLP421 - Toshiba PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 11-5B2_2
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3D Models
TLP421 - Toshiba - 3D model - Dual-In-Line Packages - 11-5B2_2
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TLP421 Details

  • Manufacturer Part Number:

    TLP421

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    DIP-4

  • HTS Code:

    8541.40.80.00

  • Manufacturer:

    Toshiba America Electronic Components

  • YTEOL:

    0

  • Additional Feature:

    UL RECOGNIZED

  • Coll-Emtr Bkdn Voltage-Min:

    80 V

  • Configuration:

    SINGLE

  • Current Transfer Ratio-Min:

    50%

  • Dark Current-Max:

    100 nA

  • Forward Current-Max:

    0.025 A

  • Forward Voltage-Max:

    1.3 V

  • Isolation Voltage-Max:

    5000 V

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Elements:

    1

  • On-State Current-Max:

    0.05 A

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -25 °C

  • Optoelectronic Device Type:

    TRANSISTOR OUTPUT OPTOCOUPLER

  • Power Dissipation-Max:

    0.15 W

  • Response Time-Max:

    0.000002 s

  • Surface Mount:

    NO

TLP421 Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the TLP421 is -40°C to 100°C.
  • To ensure reliability in high-temperature applications, it is recommended to derate the device's current and voltage ratings according to the temperature derating curve provided in the datasheet.
  • The maximum allowable voltage for the TLP421 is 80V, but it is recommended to operate the device at a voltage below 60V to ensure reliable operation.
  • The correct resistor value can be calculated using the formula: R = (Vcc - Vf) / If, where Vcc is the supply voltage, Vf is the forward voltage of the LED, and If is the desired LED current.
  • The typical propagation delay time for the TLP421 is around 10-20 μs, but this can vary depending on the specific application and operating conditions.

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TLP421 Overview

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