AO3401AAlternatives & Equivalent Parts
About AO3401A
AO3401A is a MOSFET (P-Channel) component manufactured by Alpha & Omega Semiconductors. It comes in a SOT23 (3-Pin) 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 | AO3401ASource | KF50BDT-TR | 1N4003G | RGP0207CHK1G0 |
|---|---|---|---|---|
| Manufacturer | Alpha & Omega Semiconductors | STMicroelectronics | ON Semiconductor | TE Connectivity |
| Package Type | SOT23 (3-Pin) | Other | Diodes, Axial Diameter Horizontal Mounting | Resistors, Axial Diameter Horizontal Mounting |
| Pin Count | 3 | 3 | 2 | 2 |
| Temperature Range | -55.0°C ~ 150.0°C | — | -65.0°C ~ 150.0°C | -55.0°C ~ 155.0°C |
| Price | $0.0814 | $0.3087 | $0.0136 | $0.3099 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | — | Yes | Yes |
| YTEOL | 5 | 6.2 | 5.95 | 9 |
| Configuration | SINGLE WITH BUILT-IN DIODE | — | SINGLE | — |
| DS Breakdown Voltage-Min | 30 V | — | — | — |
| Drain Current-Max (ID) | 4 A | — | — | — |
| Drain-source On Resistance-Max | 0.06 Ω | — | — | — |
| FET Technology | METAL-OXIDE SEMICONDUCTOR | — | — | — |
| Feedback Cap-Max (Crss) | 55 pF | — | — | — |
| JESD-30 Code | R-PDSO-G3 | R-PSSO-G2 | O-PALF-W2 | — |
| Number of Elements | 1 | — | 1 | — |
| Operating Mode | ENHANCEMENT MODE | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Shape | RECTANGULAR | RECTANGULAR | ROUND | TUBULAR PACKAGE |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | LONG FORM | Axial |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | — |
| Polarity/Channel Type | P-CHANNEL | — | — | — |
| Power Dissipation-Max (Abs) | 1.4 W | — | — | — |
| Pulsed Drain Current-Max (IDM) | 27 A | — | — | — |
| Surface Mount | YES | YES | NO | NO |
| Terminal Form | GULL WING | GULL WING | WIRE | — |
| Terminal Position | DUAL | SINGLE | AXIAL | — |
| Transistor Application | SWITCHING | — | — | — |
| Transistor Element Material | SILICON | — | — | — |
| Factory Lead Time | — | 12 Weeks | — | 14 Weeks, 2 Days |
| Adjustability | — | FIXED | — | — |
| Dropout Voltage1-Max | — | 0.7 V | — | — |
| Dropout Voltage1-Nom | — | 0.4 V | — | — |
| Input Voltage Absolute-Max | — | 20 V | — | — |
| Input Voltage-Max | — | 20 V | — | — |
| Input Voltage-Min | — | 6 V | — | — |
| JESD-609 Code | — | e3 | e3 | — |
| Line Regulation-Max | — | 0.018% | — | — |
| Load Regulation-Max | — | 0.05% | — | — |
| Number of Functions | — | 1 | — | — |
| Number of Outputs | — | 1 | — | — |
| Operating Temperature TJ-Max | — | 125 °C | — | — |
| Operating Temperature TJ-Min | — | -40 °C | — | — |
| Output Current1-Max | — | 0.5 A | — | — |
| Output Voltage1-Max | — | 5.2 V | — | — |
| Output Voltage1-Min | — | 4.8 V | — | — |
| Output Voltage1-Nom | — | 5 V | — | — |
| Package Equivalence Code | — | SMSIP3H,.38,90TB | — | — |
| Packing Method | — | TR | — | AMMO PACK |
| Qualification Status | — | Not Qualified | Not Qualified | — |
| Regulator Type | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — |
| Technology | — | BIPOLAR | — | METAL GLAZE/THICK FILM |
| Terminal Finish | — | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | — |
| Terminal Pitch | — | 2.25 mm | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | — | — |
| Voltage Tolerance-Max | — | 4% | — | — |
| Manufacturer Package Code | — | — | 59-10 | — |
| Reach Compliance Code | — | — | Not Compliant | Unknown |
| Application | — | — | GENERAL PURPOSE | — |
| Case Connection | — | — | ISOLATED | — |
| Diode Element Material | — | — | SILICON | — |
| Diode Type | — | — | RECTIFIER DIODE | — |
| Forward Voltage-Max (VF) | — | — | 1.1 V | — |
| JEDEC-95 Code | — | — | DO-41 | — |
| Non-rep Pk Forward Current-Max | — | — | 30 A | — |
| Number of Phases | — | — | 1 | — |
| Output Current-Max | — | — | 1 A | — |
| Rep Pk Reverse Voltage-Max | — | — | 200 V | — |
| Reverse Current-Max | — | — | 10 µA | — |
| Reverse Test Voltage | — | — | 200 V | — |
| Construction | — | — | — | Cylindrical |
| Lead Diameter | — | — | — | 0.6 mm |
| Lead Length | — | — | — | 28 mm |
| Mounting Feature | — | — | — | THROUGH HOLE MOUNT |
| Package Diameter | — | — | — | 2.5 mm |
| Package Length | — | — | — | 6.5 mm |
| Physical Dimension | — | — | — | 6.5mm x 2.5mm |
| Rated Power Dissipation (P) | — | — | — | 0.25 W |
| Rated Temperature | — | — | — | 70 °C |
| Resistance | — | — | — | 1000000000 Ω |
| Resistor Type | — | — | — | FIXED RESISTOR |
| Size Code | — | — | — | 0207 |
| Temperature Coefficient | — | — | — | 350 ppm/°C |
| Terminal Shape | — | — | — | WIRE |
| Tolerance | — | — | — | 5% |
| Working Voltage | — | — | — | 750 V |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for AO3401A — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for AO3401A 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 AO3401A 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 AO3401A?
Known equivalents for AO3401A include KF50BDT-TR, 1N4003G, RGP0207CHK1G0. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AO3401A?
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 AO3401A 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.