ULN2003AD
- Mfr.Part #
- ULN2003AD
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- TRANS 7NPN DARL 50V 0.5A 16SOIC
- Stock
- 5
- In Stock :
- 5
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- Manufacturer :
- Texas Instruments
- Product Category :
- Power Distribution Switches, Load Drivers
- Number of Pins :
- 16
- Mounting Type :
- Surface Mount
- Additional Feature :
- LOGIC LEVEL COMPATIBLE
- Transistor Element Material :
- SILICON
- Emitter Base Voltage (VEBO) :
- 50V
- Length :
- 9.9mm
- Radiation Hardening :
- No
- Mount :
- Surface Mount
- Number of Terminations :
- 16
- Series :
- Automotive, AEC-Q100
- Pin Count :
- 16
- HTS Code :
- 8541.29.00.95
- Terminal Position :
- Dual
- Number of Elements :
- 7
- Base Part Number :
- ULN2003
- Voltage - Rated DC :
- 50V
- Height :
- 1.75mm
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Output Current :
- 500mA
- Max Collector Current :
- 500mA
- Transistor Application :
- SWITCHING
- Contact Plating :
- Gold
- Collector Emitter Voltage (VCEO) :
- 50V
- Configuration :
- COMPLEX
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- ECCN Code :
- EAR99
- Pbfree Code :
- yes
- REACH SVHC :
- No SVHC
- Factory Lead Time :
- 6 Weeks
- Lead Free :
- Lead Free
- Collector Emitter Breakdown Voltage :
- 50V
- Packaging :
- Tube
- Thickness :
- 1.58mm
- Collector Emitter Saturation Voltage :
- 1.1V
- VCEsat-Max :
- 1.6 V
- Peak Reflow Temperature (Cel) :
- 260
- Number of Drivers :
- 7
- Current Rating :
- 500mA
- Weight :
- 141.690917mg
- Polarity :
- NPN
- Operating Temperature :
- -20°C~70°C TA
- Width :
- 3.91mm
- JEDEC-95 Code :
- MS-012AC
- Terminal Form :
- Gull wing
- Current - Collector Cutoff (Max) :
- 50μA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Transistor Type :
- 7 NPN Darlington
- RoHS Status :
- ROHS3 Compliant
- Vce Saturation (Max) @ Ib, Ic :
- 1.6V @ 500μA, 350mA
- JESD-609 Code :
- e4
- Datasheets
- ULN2003AD

Power Distribution Switches, Load Drivers Texas Instruments ULN2003AD Overview
The Texas Instruments ULN2003AD is a pivotal component in modern electronic design, particularly in the realm of power distribution switches and load drivers. This integrated circuit is engineered to efficiently manage medium-voltage and current loads across a variety of applications, making it an indispensable tool for developers and engineers. Featuring a robust 7-channel NPN Darlington transistor array, the ULN2003AD can handle up to 50V across each channel with a continuous collector current of up to 500 mA. This unique combination of voltage and current handling capabilities, integrated in a compact 16-SOIC package, ensures versatility and reliability for complex electronic systems.
ULN2003AD Features
The ULN2003AD stands out with its high-voltage outputs and strong drive capabilities. Each of its seven channels can sink up to 500 mA, making it suitable for driving a wide range of loads, including LEDs, relays, and stepper motors. Its high-voltage handling capability up to 50V per channel enhances its application in higher voltage scenarios. Additionally, the device includes built-in suppression diodes for inductive loads, which simplifies circuit design and enhances overall system reliability by protecting against voltage spikes.
ULN2003AD Applications
- Relay Drivers: The ULN2003AD is commonly used to drive relays in automated equipment, providing the necessary current to activate the relay coils without the need for additional components.
- Stepper Motor Drivers: Utilizing its capacity to handle medium current, the ULN2003AD effectively powers stepper motors in applications requiring precise motion control, such as in 3D printers and CNC machines.
- LED Displays: With its ability to sink current, this IC is perfect for controlling LED panels and large displays, ensuring uniform brightness and consistent operation.
- Solenoid Drivers: Ideal for use in automated locking mechanisms or robotics, the ULN2003AD can drive solenoids reliably, facilitating mechanical movements driven by electrical signals.
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