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ULN2003A - STMicroelectronics

Description: Darlington Array x7 NPN 50V 0.5A PDIP16 STMicroelectronics ULN2003A, 7-element NPN Darlington Transistor Array, 0.5 A 50 V HFE:1000, 16-Pin PDIP

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ULN2003A - STMicroelectronics PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - DIP16_2020
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ULN2003A Details

  • Manufacturer Part Number:

    ULN2003A

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    DIP-16

  • Pin Count:

    16

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    10 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    5

  • Built-in Protections:

    TRANSIENT

  • Driver Number of Bits:

    7

  • Interface IC Type:

    BUFFER OR INVERTER BASED PERIPHERAL DRIVER

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e3

  • Length:

    19.18 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    OPEN-COLLECTOR

  • Output Current Flow Direction:

    SINK

  • Output Peak Current Limit-Nom:

    0.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Seated Height-Max:

    5.33 mm

  • Supply Voltage-Max:

    3 V

  • Surface Mount:

    NO

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Turn-off Time:

    1 µs

  • Turn-on Time:

    1 µs

  • Width:

    7.87 mm

ULN2003A Frequently Asked Questions (FAQs)

  • Each output of the ULN2003A can handle up to 500mA of current, making it suitable for driving relays, solenoids, and other inductive loads.
  • To protect the ULN2003A from back-EMF, a freewheeling diode (such as 1N4001-1N4007) should be connected in parallel with the inductive load, with the anode connected to the load and the cathode connected to the supply voltage.
  • The ULN2003A can operate with input voltages as low as 4.5V, but it is recommended to use a minimum of 5V to ensure proper operation.
  • While the ULN2003A can be used to drive LEDs, it is not the most suitable choice due to its relatively high output voltage drop (around 1.5V). A dedicated LED driver or a transistor array with a lower voltage drop would be a better option.
  • To ensure that the ULN2003A outputs are turned off when the input is low, a pull-down resistor (around 10kΩ) should be connected between the input pin and ground to prevent the input from floating.

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ULN2003A 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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