AO3418Alternatives & Equivalent Parts
About AO3418
AO3418 is a MOSFET (N-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 | AO3418Source | 2SC2412KT146Q | BC856BM3T5G | DTC143ZETL |
|---|---|---|---|---|
| Manufacturer | Alpha & Omega Semiconductors | ROHM Semiconductor | ON Semiconductor | ROHM Semiconductor |
| Package Type | SOT23 (3-Pin) | Other | SO Transistor Flat Lead | Other |
| Pin Count | 3 | 3 | 3 | 3 |
| Temperature Range | -55.0°C ~ 150.0°C | ~ 150.0°C | ~ 150.0°C | ~ 150.0°C |
| Price | $0.0540 | $0.0156 | $0.0283 | $0.0173 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| YTEOL | 5.32 | 7 | 7 | 7 |
| Configuration | SINGLE WITH BUILT-IN DIODE | SINGLE | SINGLE | SINGLE WITH BUILT-IN RESISTOR |
| DS Breakdown Voltage-Min | 30 V | — | — | — |
| Drain Current-Max (ID) | 3.8 A | — | — | — |
| Drain-source On Resistance-Max | 0.055 Ω | — | — | — |
| FET Technology | METAL-OXIDE SEMICONDUCTOR | — | — | — |
| Feedback Cap-Max (Crss) | 25 pF | — | — | — |
| JESD-30 Code | R-PDSO-G3 | R-PDSO-G3 | R-PDSO-F3 | R-PDSO-G3 |
| Number of Elements | 1 | 1 | 1 | 1 |
| Operating Mode | ENHANCEMENT MODE | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Polarity/Channel Type | N-CHANNEL | NPN | PNP | NPN |
| Power Dissipation Ambient-Max | 1.4 W | — | — | 0.15 W |
| Power Dissipation-Max (Abs) | 1.4 W | 0.2 W | 0.64 W | 0.15 W |
| Pulsed Drain Current-Max (IDM) | 15 A | — | — | — |
| Surface Mount | YES | YES | YES | YES |
| Terminal Form | GULL WING | GULL WING | FLAT | GULL WING |
| Terminal Position | DUAL | DUAL | DUAL | DUAL |
| Transistor Application | SWITCHING | AMPLIFIER | AMPLIFIER | SWITCHING |
| Transistor Element Material | SILICON | SILICON | SILICON | SILICON |
| Pbfree Code | — | Yes | Yes | Yes |
| Factory Lead Time | — | 23 Weeks | 10 Weeks | 18 Weeks |
| Collector Current-Max (IC) | — | 0.15 A | 0.1 A | 0.1 A |
| Collector-Base Capacitance-Max | — | 3.5 pF | — | — |
| Collector-Emitter Voltage-Max | — | 50 V | 65 V | 50 V |
| DC Current Gain-Min (hFE) | — | 120 | 220 | 80 |
| JESD-609 Code | — | e1 | e3 | e1 |
| Peak Reflow Temperature (Cel) | — | 260 | 260 | 260 |
| Qualification Status | — | Not Qualified | Not Qualified | Not Qualified |
| Terminal Finish | — | Tin/Silver/Copper (Sn/Ag/Cu) | Matte Tin (Sn) - annealed | Tin/Silver/Copper (Sn/Ag/Cu) |
| Time@Peak Reflow Temperature-Max (s) | — | 10 | 30 | 10 |
| Transition Frequency-Nom (fT) | — | 180 MHz | 100 MHz | 250 MHz |
| VCEsat-Max | — | 0.4 V | — | 0.3 V |
| Manufacturer Package Code | — | — | 631AA | — |
| Reach Compliance Code | — | — | — | Compliant |
| Additional Feature | — | — | — | BUILT-IN BIAS RESISTOR RATIO IS 10 |
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 AO3418 — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for AO3418 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 AO3418 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 AO3418?
Known equivalents for AO3418 include 2SC2412KT146Q, BC856BM3T5G, DTC143ZETL. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AO3418?
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 AO3418 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.