Alternatives to onsemi BAT54
onsemi BAT54 and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 BAT54onsemi |  BAT54,215Nexperia USA Inc. |  BAT54LT1Gonsemi | +5more | |
|---|---|---|---|---|
| FFF Compatibility | Fits standard SOT-23 footprints with identical pin configuration (Pin 1: Anode, Pin 2: NC, Pin 3: Cathode) verified via datasheet pinout extraction.Standard SOT-23 (TO-236AB) surface-mount package is physically identical.Meets the 30 V reverse voltage and 200 mA current specifications with superior forward voltage and thermal limits. | Fits standard SOT-23 footprints with identical pin configuration (Pin 1: Anode, Pin 2: NC, Pin 3: Cathode) verified via datasheet pinout extraction.Standard SOT-23 surface-mount package matches physically.Matches 30 V reverse voltage and 200 mA current ratings while improving the forward voltage performance. | ||
 AI Summary | BAT54 by onsemi: Diode 30 V 200mA Surface Mount SOT-23-3 (TO-236). | This is a direct, highly compatible replacement from Nexperia that offers a lower forward voltage drop and a wider junction temperature range up to 150°C.
| A widely available industry-standard alternative from onsemi that perfectly matches the physical footprint and exceeds the thermal and forward voltage performance of the original.
| |
| Lifecycle Status | Active | Active | Active | |
| Market Availability | In stock | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | Diode 30 V 200mA Surface Mount SOT-23-3 (TO-236) | Schottky Diode 30 V 200mA Surface Mount SOT-23 | Diode 30 V 200mA Surface Mount SOT-23-3 (TO-236) | |
| Manufacturer | onsemi | Nexperia USA Inc. | onsemi | |
| Type | Diodes | Diodes | Diodes | |
| Datasheet | Open | Open | Open | |
| Lead Time | 19 weeks | 52 weeks | 52 weeks | |
| Country of Origin | CN | CN, MY | CN | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8541.10.0070 | 8541.10.0070 | 8541.10.0070 | |
| Moisture Sensitivity Level | Not Applicable | - | 1 (Unlimited) | |
| Speed | Small Signal =< 200mA (Io), Any Speed | Ultra high-speed switching | Small Signal =< 200mA (Io), Any Speed | |
| Technology | Schottky | Schottky Barrier | Schottky | |
| Mounting Type | SMD | Surface Mount | Surface Mount | |
| Package / Case | SOT-23 (TO-236) | SOT-23 (TO-236AB) | TO-236-3, SC-59, SOT-23-3 | |
| Capacitance @ Vr, F | 10.0pF | 10pF @ 1V | 10.0pF |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 BAT54Sonsemi | In stock | Obsolete | 6Alternatives availableSee Alternatives |
| BAT54Consemi | In stock | Obsolete | 6Alternatives availableSee Alternatives |
 BAT54Aonsemi | In stock | Obsolete | 6Alternatives availableSee Alternatives |
 BAT42WTaiwan Semiconductor | Non-stock | NRND | 5Alternatives availableSee Alternatives |
 BAS516Diodes Incorporated | Non-stock | Last time buy | 5Alternatives availableSee Alternatives |
 OPA548TTexas Instruments | Non-stock | Active | 4Alternatives availableSee Alternatives |
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Frequently asked questions
Yes. The onsemi BAT54 is active and in production. The parts listed here are qualified equivalents if you need a second source or better availability.
The closest qualified second sources for the onsemi BAT54 are the BAT54,215 (Nexperia USA Inc.) and the BAT54LT1G (onsemi), out of 7 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Yes. The leading alternatives to the BAT54 are fit-, form- and function-compatible — the same package and pinout with matching key electrical specifications — so they drop in without PCB changes. Always confirm the parameters critical to your design against the alternative's datasheet before committing.
The BAT54 (onsemi) is a part in the Diodes category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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