ULN2801AAlternatives & Equivalent Parts
About ULN2801A
ULN2801A is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | ULN2801ASource | ULN2804A | SMAJ33CA |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | LITTELFUSE |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Diodes Moulded Non Polarised |
| Pin Count | 18 | 18 | 2 |
| Temperature Range | -20.0°C ~ 85.0°C | -20.0°C ~ 85.0°C | -65.0°C ~ 150.0°C |
| Price | $1.5263 | $0.8750 | $0.0178 |
| Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||
| YTEOL | 5.5 | 5.5 | 6 |
| Built-in Protections | TRANSIENT | TRANSIENT | — |
| Driver Number of Bits | 8 | 8 | — |
| Interface IC Type | BUFFER OR INVERTER BASED PERIPHERAL DRIVER | BUFFER OR INVERTER BASED PERIPHERAL DRIVER | — |
| JESD-30 Code | R-PDIP-T18 | R-PDIP-T18 | R-PDSO-C2 |
| Number of Functions | 1 | 1 | — |
| Output Characteristics | OPEN-COLLECTOR | OPEN-COLLECTOR | — |
| Output Current Flow Direction | SINK | SINK | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP18,.3 | DIP18,.3 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | SMALL OUTLINE |
| Surface Mount | NO | NO | YES |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | C BEND |
| Terminal Pitch | 2.54 mm | 2.54 mm | — |
| Terminal Position | DUAL | DUAL | DUAL |
| Turn-off Time | 1 µs | 1 µs | — |
| Turn-on Time | 1 µs | 1 µs | — |
| ## ULN2801A Alternates Showing results | Image | — | — |
| Factory Lead Time | — | 10 Weeks | — |
| Pbfree Code | — | — | No |
| Breakdown Voltage-Max | — | — | 40.6 V |
| Breakdown Voltage-Min | — | — | 36.7 V |
| Breakdown Voltage-Nom | — | — | 38.65 V |
| Clamping Voltage-Max | — | — | 53.3 V |
| Configuration | — | — | SINGLE, 1 CHANNEL |
| Diode Element Material | — | — | SILICON |
| Diode Type | — | — | TRANS VOLTAGE SUPPRESSOR DIODE |
| JEDEC-95 Code | — | — | DO-214AC |
| Non-rep Peak Rev Power Dis-Max | — | — | 400 W |
| Number of Elements | — | — | 1 |
| Peak Reflow Temperature (Cel) | — | — | 260 |
| Polarity | — | — | BIDIRECTIONAL |
| Power Dissipation-Max | — | — | 3.3 W |
| Qualification Status | — | — | Not Qualified |
| Reference Standard | — | — | IEC-61000-4-2; UL RECOGNIZED |
| Rep Pk Reverse Voltage-Max | — | — | 33 V |
| Reverse Current-Max | — | — | 1 µA |
| Reverse Test Voltage | — | — | 33 V |
| Technology | — | — | AVALANCHE |
| Terminal Finish | — | — | Matte Tin (Sn) |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 2 alternatives for ULN2801A — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for ULN2801A is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating ULN2801A replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to ULN2801A?
Known equivalents for ULN2801A include ULN2804A, SMAJ33CA. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ULN2801A?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify ULN2801A alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.