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ULN2803CDWR - Texas Instruments

Description: Bipolar (BJT) Transistor Array 8 NPN Darlington 50V 500mA Surface Mount 20-SOIC

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ULN2803CDWR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
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ULN2803CDWR - Texas Instruments  - 3D model - Small Outline Packages - DW0020A
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ULN2803CDWR Details

  • Manufacturer Part Number:

    ULN2803CDWR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOIC-20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Built-in Protections:

    TRANSIENT

  • Driver Number of Bits:

    8

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    BUFFER OR INVERTER BASED PERIPHERAL DRIVER

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    8

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    OPEN-COLLECTOR

  • Output Current Flow Direction:

    SINK

  • Output Current-Max:

    0.5 A

  • Output Peak Current Limit-Nom:

    0.5 A

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max:

    1.35 mA

  • Supply Voltage-Max:

    15 V

  • Supply Voltage-Min:

    6 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Turn-off Time:

    1 µs

  • Turn-on Time:

    1 µs

  • Width:

    7.5 mm

ULN2803CDWR Frequently Asked Questions (FAQs)

  • The maximum current that each output can handle is 500mA. However, it's recommended to derate the current to 350mA for reliable operation.
  • You can add a flyback diode (also known as a freewheeling diode) in parallel with the inductive load to protect the ULN2803CDWR from back-EMF. The diode should be rated for the maximum voltage and current of the load.
  • The minimum input voltage required for the ULN2803CDWR to function properly is 3.5V. However, it's recommended to use a minimum of 4.5V for reliable operation.
  • Yes, the ULN2803CDWR can be used to drive a relay. However, you need to ensure that the relay's coil voltage and current ratings are within the ULN2803CDWR's output capabilities.
  • You can reduce the power consumption of the ULN2803CDWR in standby mode by applying a logic low signal to the input pins. This will put the device in a low-power standby mode.

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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