Alternatives to Texas Instruments ULQ2003ADRG4
Texas Instruments ULQ2003ADRG4 and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 ULQ2003ADRG4Texas Instruments | ULQ2003AQDRQ1Texas Instruments |  ULQ2003ADR2Gonsemi | +2more | |
|---|---|---|---|---|
| FFF Compatibility | Exactly identical SOIC-16 footprint and pinout assignment as verified via the extracted pinouts.Shares the same standard SOIC-16 dimensions (9.90mm x 3.90mm) and surface-mount style.Matches the 2.7kΩ base resistor input option (ULQ2003) and 50V/500mA rating, with an upgraded operating temperature range up to 105°C. | Exactly identical SOIC-16 footprint and pinout assignment.Identical package dimensions and surface-mount style.Fully matches all critical electrical specs including the 50V rating, 500mA max current, and -40°C to 85°C temperature range. | ||
 AI Summary | ULQ2003ADRG4 by Texas Instruments: Bipolar (BJT) Transistor Array Surface Mount 16-SOIC. | This is the direct manufacturer-recommended replacement from Texas Instruments. It upgrades the device to automotive grade (AEC-Q100) and expands the operating temperature range from -40°C to 105°C, providing a robust, active drop-in replacement.
| This is a high-reliability direct alternative from onsemi with identical electrical specifications and temperature range. It offers an active, drop-in replacement with identical pinout and SOIC-16 package dimensions.
| |
| Lifecycle Status | Obsolete | Active | Active | |
| Market Availability | Discontinued | Non-stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | Bipolar (BJT) Transistor Array Surface Mount 16-SOIC | Bipolar (BJT) Transistor Array Surface Mount 16-SOIC | Bipolar (BJT) Transistor Array 7 NPN Darlington 50V 500mA Surface Mount 16-SOIC | |
| Manufacturer | Texas Instruments | Texas Instruments | onsemi | |
| Type | Transistors | Transistors | Transistors | |
| Datasheet | Open | Open | Open | |
| Lead Time | 6 weeks | 16 weeks | 19 weeks | |
| Country of Origin | MX, MY | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8542.39.0090 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | - | - | |
| Operating Temperature | -40°C ~ 85°C (TA) | - | - | |
| Supplier Device Package | 16-SOIC | - | - |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 ULQ2003ADRTexas Instruments | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
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Frequently asked questions
Yes. The Texas Instruments ULQ2003ADRG4 is marked obsolete, so the manufacturer has discontinued it and any remaining supply is limited to distributor stock. The qualified second sources on this page are active parts you can design in today.
The closest qualified second sources for the Texas Instruments ULQ2003ADRG4 are the ULQ2003AQDRQ1 (Texas Instruments) and the ULQ2003ADR2G (onsemi), out of 4 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the ULQ2003ADRG4 are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The ULQ2003ADRG4 (Texas Instruments) is a part in the Transistors category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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