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Home > Part Compare: ULN2003ADR vs ULN2003ADR2G in Comparison
Part Number ULN2003ADR ULN2003ADR2G
Manufacturer Texas Instruments ON Semiconductor
Part Image
Datasheet PDF View Datasheet PDF View Datasheet PDF
Part Category Semiconductors & Actives, Interface ICs, Interface IC(Uncategorized) Semiconductors & Actives, Discretes, Transistors, BJTs, Thyristor(Uncategorized)
Case/Package SOIC, PDIP SOIC
Number of Pins 16 16
Voltage Rating (DC) 50.0 V -
Polarity NPN, N-Channel NPN
Current Rating 500 mA -
Drivers Per Package 7 -
Halogen Free Status - Halogen Free
Mounting Style Surface Mount Surface Mount
Packaging Tape & Reel (TR), Cut Tape (CT) -
REACH SVHC Compliance No SVHC -
Lead-Free Status Lead Free Lead Free
RoHS Compliant Compliant
Product Lifecycle Status Active Active
Reference Price() $0.60All Prices(19) $0.58All Prices(15)
Total in Stock(pcs) 2352772 457894
Description IC PWR RELAY 7NPN 1:1 16SOIC IC PWR RELAY 7NPN 1:1 16SO

ULN2003ADR Product Overview

The ULN2003ADR is a seven high-voltage/high-current NPN Darlington Transistor Array. All units feature a common emitter and open collector outputs. To maximize their effectiveness, these units contain suppression diodes for inductive loads. The ULN2003ADR device has a series base resistor to each Darlington pair, thus allowing operation directly with TTL or CMOS operating at supply voltages of 5V or 3.3V. The ULN2003ADR device offers solutions to a great many interface needs, including solenoids, relays, lamps, small motors and LEDs. Applications requiring sink currents beyond the capability of a single output may be accommodated by paralleling the outputs.

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Output Clamp Diodes
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Inputs Compatible With Various Types of Logic
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250ns Typical Delay Time
Device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

ULN2003ADR2G Product Overview

The ULN2003ADR2G is a 50V Darlington Transistor Driver Array for driving relays or incandescent lamps. The seven NPN Darlington connected transistors in these arrays are well suited for driving lamps, relays or printer hammers in a variety of industrial and consumer applications. Their high breakdown voltage and internal suppression diodes insure freedom from problems associated with inductive loads. Peak inrush currents to 500mA permit them to drive incandescent lamps. The ULN2003A with a 2.7kR series input resistor is well suited for systems utilizing a 5V TTL or CMOS Logic.

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Peak inrush currents to 500mA
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High breakdown voltage
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Internal suppression diodes
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30V Input voltage
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25mA Continuous base current
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20°C/W Thermal resistance, junction to case
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100°C/W Thermal resistance, junction to ambient
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Electrostatic discharge sensitivity (ESD)
ESD sensitive device, take proper precaution while handling the device.