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quality High current transistor array BL ULN2803 designed for controlling relays solenoids and LED displays factory
quality High current transistor array BL ULN2803 designed for controlling relays solenoids and LED displays factory

High current transistor array BL ULN2803 designed for controlling relays solenoids and LED displays

Key Attributes
Model Number: ULN2803
Product Custom Attributes
Mfr. Part #:
ULN2803
Package:
SOP-18-300mil
Product Description

Product Overview

The ULN2803 is a high-voltage, high-current Darlington transistor array featuring eight open-collector common-emitter pairs, each capable of handling 500 mA. Designed for driving a wide range of loads, including solenoids, relays, DC motors, and LED displays, these arrays offer high-voltage outputs up to 50V and include output clamp diodes for inductive load driving. The inputs are compatible with various logic types, and the pin configuration simplifies board layout. Available in SOP18 and QFN20(4x4) packages, the ULN2803 is ideal for relay-driver applications and high-power buffering.

Product Attributes

  • Brand: Belling
  • Model Series: ULN2803

Technical Specifications

Parameter Model Min Typ Max Unit
Features
Collector Current (single output) ULN2803 - - 500 mA
High-Voltage Outputs ULN2803 - - 50 V
Absolute Maximum Ratings
Collector to emitter voltage ULN2803 - - 50 V
Clamp diode reverse voltage ULN2803 - - 50 V
Input voltage ULN2803 - - 30 V
Peak collector current ULN2803 - - 500 mA
Output clamp current ULN2803 - - 500 mA
Total emitter-terminal current ULN2803 -2.5 - - A
Operating free-air temperature range ULN2803 -30 - 105 C
Operating virtual junction temperature ULN2803 - - 150 C
Storage temperature range ULN2803 -40 - 150 C
Recommended Operating Conditions
Collector to Emitter voltage ULN2803 - - 50 V
Electrical Characteristics (TA=+25, unless otherwise specified)
On-state input voltage ULN2803 - - 2.4 V
Collector-emitter saturation voltage ULN2803 - 0.9 1.1 V
Collector cutoff current ULN2803 - - 50 A
Clamp forward voltage ULN2803 - - 1.7 V
Off-state input current ULN2803 50 - - A
Input current ULN2803 - 0.93 1.35 mA
Clamp reverse current ULN2803 - - 50 A
Input capacitance ULN2803 - 15 25 pF
Switching Characteristics (TA = +25C, unless otherwise specified)
Propagation delay time, low- to high-level output ULN2803 - 0.25 1 s
Propagation delay time, high- to low-level output ULN2803 - 0.25 1 s
High-level output voltage after switching ULN2803 - - VS20mV -
Ordering Information
Order No. Package Packing Quantity
ULN2803 SOP18 Tape and Reel 1500
ULN2803QN QFN20(4x4) Tape and Reel 3000

2405201656_BL-ULN2803_C22437476.pdf

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