HIGH-VOLTAGE,

HIGH-CURRENT

DARLINGTON ARRAYS

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

V

CE(MAX)

50 V

95 V

I

C(MAX)

500 mA500 mA

Logic

Part Number

5V

ULN2003A*

ULN2023A*

TTL, CMOS

ULN2003L*

ULN2023L

6-15 V

ULN2004A*

ULN2024A

CMOS, PMOS

ULN2004L*

ULN2024L

* Also available for operation between -40

°C and +85°C. To order, change

prefix from “ULN” to “ULQ”.

Dwg. No. A-9651

COM

7.2K

3K

2.7K

X = Digit to identify specific device. Specification shown applies to family of

devices with remaining digits as shown. See matrix above.

Copyright © 1974, 1998 Allegro MicroSystems, Inc.

Dwg. No. A-9898A

ULN20x4A/L (Each Driver)

COM

7.2K

3K

10.5K

50

75

100

125

150

2.5

0.5

0

AMBIENT TEMPERATURE IN

°C

2.0

1.5

1.0

25

SUFFIX 'L', R

= 90

°C/W

θJA

Dwg. GP-006A

SUFFIX 'A', R

= 60

°C/W

θJA

ULN20x3A/L (Each Driver)

DEVICE PART NUMBER DESIGNATION

PARTIAL SCHEMATICS