ULN2003AIPWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The ULN2003AIPWG4 is a high-voltage, high-current Darlington transistor array IC from Texas Instruments featuring 7 NPN Darlington pairs with 500mA output current capacity. Designed for driving relays, motors, lamps, and other inductive loads, it includes built-in transient suppression diodes. Available in SOIC-16 package with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- ULN2003AIPWG4 Datasheet PDF
- Category
- Integrated Circuit
- 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 ULN2003AIPWG4?
- 7-channel NPN Darlington array with 500mA sink current per channel for driving high-current loads
- Built-in flyback suppression diodes protect against inductive transients from relays and motors
- Wide supply voltage compatibility supports standard TTL and CMOS logic input levels with open-collector outputs
What is ULN2003AIPWG4 used for?
The ULN2003AIPWG4 is widely used in industrial automation and consumer electronics for driving relay coils, stepper motors, solenoids, and LED arrays. It serves as a buffer/driver between low-power microcontrollers and high-current peripheral loads in printer drivers, motor control circuits, and lamp drivers. Its 7-channel architecture makes it ideal for multi-output control systems requiring compact footprint.
What are the specifications of ULN2003AIPWG4?
| YTEOL | 0 |
| 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 |
| Number of Functions | 1 |
| Output Characteristics | OPEN-COLLECTOR |
| Output Current Flow Direction | SINK |
| Output Peak Current Limit-Nom | 0.5A |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Current-Max | 1.45mA |
| Supply Voltage-Max | 50V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| 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 | 8542.39.00.60 |
Where can I find the ULN2003AIPWG4 datasheet?
ULN2003AIPWG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for ULN2003AIPWG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum output current per channel for the ULN2003AIPWG4?
Each channel of the ULN2003AIPWG4 can sink up to 500mA peak output current, making it suitable for driving relays, small motors, solenoids, and LED arrays without external transistors.
Does the ULN2003AIPWG4 include flyback protection diodes?
Yes, the ULN2003AIPWG4 features built-in transient suppression (flyback) diodes connected to a COM pin, which protect the IC from voltage spikes generated by inductive loads like relay coils and motors.
What logic families are compatible with the ULN2003AIPWG4 inputs?
The ULN2003AIPWG4 accepts standard TTL and CMOS logic input levels. Each input has a series base resistor, making it directly compatible with 5V logic systems for easy interfacing with microcontrollers and digital logic ICs.
What package does the ULN2003AIPWG4 use?
The ULN2003AIPWG4 comes in a 16-pin Small Outline IC (SOIC) package, designated as PDSO-G16, which is surface-mountable and suitable for compact PCB designs in space-constrained applications.
Related Guides
150141RS73100 Red LED Indicator and Current-Resistor Design Guide
Design a reliable 150141RS73100 red LED indicator with worst-case resistor sizing, GPIO checks, PWM drive, layout, and production validation.
Jul 11, 2026
742792651 Ferrite Bead EMI Filter and Power Integrity Design Guide
Practical guidance for using 742792651 in ferrite-bead EMI filters, including bias, DCR, damping, layout, and validation.
Jul 11, 2026
How to Choose a Ferrite Bead for EMI Suppression Rails: Selection Guide
Compare 742792651 and related ferrite beads by impedance, current rating, DCR, package, layout, and EMI test context.
Jul 10, 2026
150141BS73100 Design Guide for 3528 Status Indicator LED Circuits
Design 3528 status indicator LED circuits with 150141BS73100: current setting, resistor sizing, polarity, optics, and sourcing checks.
Jul 10, 2026
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
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit