ULN2003AINSR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
ULN2003AINSR is a 7-channel high-voltage, high-current Darlington transistor array from Texas Instruments, featuring 500mA output current per channel and 50V output voltage. Ideal for relay driving, motor control, and LED arrays. From $0.384 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- ULN2003AINSR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3840(MOQ 1)
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ULN2003AINSR?
- 7-channel Darlington transistor array with 500mA per-channel output current
- 50V high-voltage output supports relay, solenoid, and motor load driving
- Built-in transient suppression diodes protect against inductive kickback
- CMOS/LSTTL compatible inputs for seamless logic interface
- Small Outline 16-pin (SOIC-16) package for compact PCB designs
What is ULN2003AINSR used for?
The ULN2003AINSR is widely used in relay driver circuits, stepper motor control, and high-power LED array driving where logic-level signals must switch high-current loads. It is a popular choice in industrial automation, home appliance controllers, and printer carriage motor drive systems. Its built-in flyback diodes make it especially suitable for driving inductive loads directly from microcontroller or PLC outputs.
What are the specifications of ULN2003AINSR?
| Pbfree Code | Yes |
| Date Of Intro | 1991-01-01 |
| YTEOL | 15 |
| Built-in Protections | TRANSIENT |
| Driver Number of Bits | 7 |
| Input Characteristics | STANDARD |
| Interface IC Type | BUFFER OR INVERTER BASED PERIPHERAL DRIVER |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Characteristics | OPEN-COLLECTOR |
| Output Current Flow Direction | SINK |
| Output Current-Max | 0.5A |
| Output Peak Current Limit-Nom | 0.5A |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Turn-off Time | 10 µs |
| Turn-on Time | 10 µs |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Where can I find the ULN2003AINSR datasheet?
ULN2003AINSR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for ULN2003AINSR?
Compatible alternatives and drop-in replacements for ULN2003AINSR:
Buffer/Inverter Based Peripheral Driver, 7 Driver, 0.5A, BIPolar, PDSO16
Frequently Asked Questions
What is the maximum output current and voltage of the ULN2003AINSR?
The ULN2003AINSR supports a maximum output current of 500mA per channel and a maximum output voltage of 50V. This makes it suitable for driving relays, solenoids, and other high-current inductive loads directly from microcontroller GPIO pins.
What applications is the ULN2003AINSR best suited for?
The ULN2003AINSR is ideal for relay driving, stepper motor control, LED array driving, solenoid control, and general peripheral interface applications. Its 7-channel Darlington array and built-in suppression diodes make it a versatile choice for industrial automation and consumer electronics designs.
Is the ULN2003AINSR compatible with 3.3V and 5V logic inputs?
Yes, the ULN2003AINSR is compatible with both CMOS and LSTTL logic levels. It accepts standard 3.3V and 5V input signals, allowing direct interfacing with modern microcontrollers and PLCs without additional level-shifting components.
What package type does the ULN2003AINSR come in and what is a common alternative?
The ULN2003AINSR comes in a 16-pin Small Outline (SOIC-16) surface-mount package, suitable for automated assembly. A common through-hole alternative is the ULN2003AIN in a DIP-16 package, offering the same electrical specifications in a different form factor.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.9600 | $1.96 |
| 100+ | $0.5834 | $58.34 |
| 250+ | $0.5360 | $134.00 |
| 500+ | $0.4549 | $227.47 |
| 1000+ | $0.4136 | $413.60 |
| 2000+ | $0.3840 | $768.00 |
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