ULN2003A
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- Mfr.Part #
- ULN2003A
- Manufacturer
- STMicroelectronics
- Package / Case
- 16-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC PWR RELAY 7NPN 1:1 16DIP
- Stock
- 3,784
- In Stock ：
- 3,784
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- Manufacturer :
- STMicroelectronics
- Product Category :
- Power Distribution Switches, Load Drivers
- RoHS Status :
- ROHS3 Compliant
- Polarity :
- NPN
- Max Collector Current :
- 500mA
- Terminal Finish :
- Matte Tin (Sn)
- Transistor Element Material :
- SILICON
- Number of Elements :
- 7
- Current - Collector Cutoff (Max) :
- 50μA
- Number of Terminations :
- 16
- Mount :
- Through Hole
- Packaging :
- Tube
- Terminal Position :
- Dual
- Package / Case :
- 16-DIP (0.300, 7.62mm)
- Base Part Number :
- ULN2003
- Contact Plating :
- Gold
- Factory Lead Time :
- 15 Weeks
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Additional Feature :
- LOGIC LEVEL COMPATIBLE
- JESD-609 Code :
- e3
- Vce Saturation (Max) @ Ib, Ic :
- 1.6V @ 500μA, 350mA
- Lead Free :
- Lead Free
- Weight :
- 1.627801g
- Number of Pins :
- 16
- Output Voltage :
- 50V
- REACH SVHC :
- No SVHC
- Transistor Application :
- SWITCHING
- VCEsat-Max :
- 1.6 V
- Height :
- 4.59mm
- Current Rating :
- 500mA
- Operating Temperature :
- -40°C~85°C TA
- Collector Emitter Breakdown Voltage :
- 50V
- Number of Channels :
- 7
- ECCN Code :
- EAR99
- Output Current :
- 500mA
- Collector Emitter Saturation Voltage :
- 1.1V
- Length :
- 20mm
- Voltage - Rated DC :
- 50V
- DC Current Gain (hFE) (Min) @ Ic, Vce :
- 1000 @ 350mA 2V
- Width :
- 7.1mm
- Pin Count :
- 16
- Configuration :
- COMPLEX
- Collector Emitter Voltage (VCEO) :
- 50V
- Max Power Dissipation :
- 2.25W
- Radiation Hardening :
- No
- Transistor Type :
- 7 NPN Darlington
- Mounting Type :
- Through Hole
- Datasheets
- ULN2003A
Power Distribution Switches, Load Drivers STMicroelectronics ULN2003A Overview
The ULN2003A from STMicroelectronics is a high-voltage, high-current Darlington transistor array designed to efficiently drive a wide range of loads including solenoids, relays, DC motors, and LED displays. This IC integrates seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads. The collector-current rating of each channel is 500 mA, making it suitable for applications that require direct control of high-current loads through digital logic devices, such as microcontrollers and logic gates. With its robust design and versatile capabilities, the Power Distribution Switches, Load Drivers STMicroelectronics ULN2003A is an ideal choice for sophisticated designs requiring reliable power distribution and load driving solutions.
ULN2003A Features
- Seven Darlingtons per package
- Output current 500 mA per channel
- Output voltage 50 V
- Integrated suppression diodes for inductive load
- Inputs compatible with various types of logic, including TTL, CMOS, and PMOS
- Can be used with 5V logic levels
- Common-cathode clamp diodes across the output for transient suppression and free wheeling
ULN2003A Applications
- Driving Stepper Motors: The ULN2003A's ability to handle high-current and high-voltage makes it perfect for driving stepper motors in 3D printers, CNC machines, and other automated equipment.
- Relay Drivers: Utilizes its high current capability to drive multiple relays in applications such as home automation systems, allowing control of large power devices through simple digital logic.
- LED Displays: Capable of sinking enough current to power multiple segments of LED displays, suitable for advertising boards, scoreboards, and other visual output devices.
- Buffer Logic Levels: Acts as a buffer between logic levels and high-current loads, making it essential for use in mixed-voltage systems where interface compatibility is crucial.
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