ULN2804AAlternatives & Equivalent Parts
About ULN2804A
ULN2804A 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 | ULN2804ASource | ULN2801A | ULN2802A | ULQ2804A | ILQ1 | ILQ2-X001 |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | Vishay | Vishay |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | DIP-18 | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 18 | 18 | 18 | 18 | 16 | 16 |
| Temperature Range | -20.0°C ~ 85.0°C | -20.0°C ~ 85.0°C | -20.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 100.0°C | -40.0°C ~ 100.0°C |
| Price | $0.8750 | $1.5263 | $1.5062 | $1.6840 | $0.9315 | $1.1346 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | OBSOLETE |
| Electrical Parameters | ||||||
| Factory Lead Time | 10 Weeks | — | 10 Weeks | 10 Weeks | 111 Weeks | 111 Weeks |
| YTEOL | 5.5 | 5.5 | 5.5 | 6 | 0 | 0 |
| Built-in Protections | TRANSIENT | TRANSIENT | TRANSIENT | TRANSIENT | — | — |
| Driver Number of Bits | 8 | 8 | 8 | 8 | — | — |
| Interface IC Type | BUFFER OR INVERTER BASED PERIPHERAL DRIVER | BUFFER OR INVERTER BASED PERIPHERAL DRIVER | BUFFER OR INVERTER BASED PERIPHERAL DRIVER | BUFFER OR INVERTER BASED PERIPHERAL DRIVER | — | — |
| JESD-30 Code | R-PDIP-T18 | R-PDIP-T18 | R-PDIP-T18 | R-PDIP-T18 | — | — |
| Number of Functions | 1 | 1 | 1 | 1 | — | — |
| Output Characteristics | OPEN-COLLECTOR | OPEN-COLLECTOR | OPEN-COLLECTOR | OPEN-COLLECTOR | — | — |
| Output Current Flow Direction | SINK | SINK | SINK | SINK | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — |
| Package Equivalence Code | DIP18,.3 | DIP18,.3 | DIP18,.3 | DIP18,.3 | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | — |
| Package Style | IN-LINE | IN-LINE | IN-LINE | IN-LINE | — | — |
| Surface Mount | NO | NO | NO | NO | NO | NO |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | — | — |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.54 mm | 2.54 mm | — | — |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | — | — |
| Turn-off Time | 1 µs | 1 µs | 1 µs | 1 µs | — | — |
| Turn-on Time | 1 µs | 1 µs | 1 µs | 1 µs | — | — |
| ## ULN2801A Alternates Showing results | — | Image | — | — | — | — |
| ## ULN2802A Alternates Showing results | — | — | Image | — | — | — |
| Pbfree Code | — | — | — | — | Yes | — |
| Coll-Emtr Bkdn Voltage-Min | — | — | — | — | 50 V | 70 V |
| Configuration | — | — | — | — | SEPARATE, 4 CHANNELS | SEPARATE, 4 CHANNELS |
| Current Transfer Ratio-Min | — | — | — | — | 20% | 100% |
| Current Transfer Ratio-Nom | — | — | — | — | 80% | 200% |
| Dark Current-Max | — | — | — | — | 50 nA | 50 nA |
| Forward Current-Max | — | — | — | — | 0.06 A | 0.06 A |
| Forward Voltage-Max | — | — | — | — | 1.65 V | 1.65 V |
| Isolation Voltage-Max | — | — | — | — | 5300 V | 5300 V |
| JESD-609 Code | — | — | — | — | e3 | e3 |
| Mounting Feature | — | — | — | — | THROUGH HOLE MOUNT | THROUGH HOLE MOUNT |
| Number of Elements | — | — | — | — | 4 | 4 |
| On-State Current-Max | — | — | — | — | 0.05 A | 0.05 A |
| Optoelectronic Device Type | — | — | — | — | TRANSISTOR OUTPUT OPTOCOUPLER | TRANSISTOR OUTPUT OPTOCOUPLER |
| Power Dissipation-Max | — | — | — | — | 0.2 W | 0.2 W |
| Terminal Finish | — | — | — | — | Matte Tin (Sn) | Matte Tin (Sn) |
| Response Time-Max | — | — | — | — | — | 0.0000026 s |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Quick Links
Why Look for Alternatives?
Finding alternatives for ULN2804A 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 ULN2804A 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 ULN2804A?
Known equivalents for ULN2804A include ULN2801A, ULN2802A, ULQ2804A. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ULN2804A?
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 ULN2804A 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.