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ULN2003D1013TR

7-ch NPN Darlington array, 500mA/ch, 50V, clamp diodes, TTL input, SOIC-16

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Manufacturer Part：

ULN2003D1013TR

Package：

SOIC-16 (10.0 x 4.0 x 1.65mm)

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Description

Product Overview

The ULN2003D1013TR from STMicroelectronics is a 7-channel NPN Darlington transistor array in an SOIC-16 package. Each channel is rated at 500mA continuous collector current with 50V collector-emitter voltage, featuring integral clamp diodes for inductive load driving and 2.7kΩ input resistors for direct TTL/CMOS logic interface.

Key Specifications

Number of Channels 7 (Darlington pairs)
Collector-Emitter Voltage (VCEO) 50V
Continuous Collector Current 500mA per channel
Peak Collector Current 600mA
DC Current Gain (hFE) 1000 min (IC=350mA)
Saturation Voltage (VCEsat) 1.1V typ. @ IC=200mA
Clamp Diode Current 350mA continuous
Clamp Diode Voltage 1.7V typ. @ IF=350mA
Input Voltage (ON) 2.4V to 3V (ULN2003)
Input Current (ON) 0.93mA typ.
Input Resistance 2.7kΩ (built-in)
Switching Delay 1μs max (on and off)
Package SOIC-16 (10 x 4mm)
Operating Temperature -40°C to +85°C

Features

  • 7 Darlington pairs with common emitter
  • 500mA continuous collector current per channel
  • 50V output voltage rating
  • Integral suppression diodes for inductive loads
  • 2.7kΩ input resistors for TTL/CMOS compatibility
  • Minimum DC current gain: 1000 at 350mA
  • Inputs pinned opposite outputs for easy PCB layout
  • Open-collector outputs
  • Parallel channels for higher current capability

Applications

  • Relay and solenoid drivers
  • Stepper motor controllers
  • LED display drivers
  • DC motor drivers
  • Thermal printer head drivers

The ULN2003D1013TR from STMicroelectronics is a high-voltage, high-current Darlington transistor array containing seven open-collector Darlington pairs with common emitters. Each channel is rated at 500mA and can withstand peak currents of 600mA. Suppression diodes are included for inductive load driving, and the inputs are pinned opposite the outputs to simplify board layout. The ULN2003 version interfaces directly with 5V TTL and CMOS logic, featuring built-in 2.7kΩ input series resistors.

Each of the seven channels in the ULN2003D1013TR consists of a Darlington pair (two cascaded NPN transistors) providing high current gain (hFE ≥ 1000). The built-in 2.7kΩ input series resistor allows direct connection to TTL/CMOS logic outputs without external current-limiting components. The open-collector output sinks current from the load to ground when the input is driven high. Integral clamp diodes connected between each output and a common COM pin suppress back-EMF when switching inductive loads such as relays and motors, protecting the Darlington transistors from damage.

Pin Name Type Function
1 1B Input Channel 1 base input
2 2B Input Channel 2 base input
3 3B Input Channel 3 base input
4 4B Input Channel 4 base input
5 5B Input Channel 5 base input
6 6B Input Channel 6 base input
7 7B Input Channel 7 base input
8 E Power Common emitter (GND)
9 COM Supply Clamp diode common (connect to load supply)
10 7C Output Channel 7 collector output
11 6C Output Channel 6 collector output
12 5C Output Channel 5 collector output
13 4C Output Channel 4 collector output
14 3C Output Channel 3 collector output
15 2C Output Channel 2 collector output
16 1C Output Channel 1 collector output
  • Relay and solenoid driver arrays in industrial control
  • Unipolar stepper motor phase drivers
  • LED matrix and display segment drivers
  • DC motor direction and speed control
  • Thermal print head element drivers
Manufacturer Part Number Package Notes
TI ULN2003ADR SOIC-16 Pin-compatible, TI version
onsemi ULN2003ADR2G SOIC-16 Pin-compatible, AEC-Q100
ST ULN2003A DIP-16 Through-hole version
ST ULQ2003D1013TR SOIC-16 Low-leakage version
TI TPIC6B595DW SOIC-20 8-ch shift register + power driver
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Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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