Alternatives to Diodes Incorporated BSS84
Diodes Incorporated BSS84 and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 BSS84Diodes Incorporated |  BSS84PH6327XTSA2Infineon Technologies |  BSS84LT1Gonsemi | +4more | |
|---|---|---|---|---|
| FFF Compatibility | Same SOT-23-3 package with standard pin assignment (Pin 1: Gate, Pin 2: Source, Pin 3: Drain).Interchangeable SOT-23 footprint with identical mechanical mounting characteristics.Fully compatible or superior electrical ratings, including higher voltage, higher continuous current, and lower on-resistance. | Same SOT-23-3 package with standard pin assignment (Pin 1: Gate, Pin 2: Source, Pin 3: Drain).Standard SOT-23 outline with fully compatible physical dimensions.Matches all primary electrical parameters of the target component. | ||
 AI Summary | BSS84 by Diodes Incorporated: P-Channel 50 V 130mA (Ta) 300mW (Ta) Surface Mount SOT-23-3. | The Infineon BSS84PH6327XTSA2 is an upgraded, automotive-grade SIPMOS replacement that matches the footprint of the original part while offering superior electrical characteristics. It features a higher breakdown voltage of 60V, an increased continuous current rating of 170mA, and a lower RDS(on) of 8 Ohms, making it an excellent robust alternative.
| The onsemi BSS84LT1G is a direct, drop-in industry-standard second source for the BSS84. It matches the original part's electrical parameters, including the 50V drain-to-source rating and 130mA continuous current rating, allowing for a seamless transition with no redesign required.
| |
| Lifecycle Status | Active | Active | Active | |
| Market Availability | Non-stock | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | P-Channel 50 V 130mA (Ta) 300mW (Ta) Surface Mount SOT-23-3 | P-Channel 60 V 170mA (Ta) 360mW (Ta) Surface Mount PG-SOT23 | P-Channel 50 V 130mA (Ta) 225mW (Ta) Surface Mount SOT-23-3 (TO-236) | |
| Manufacturer | Diodes Incorporated | Infineon Technologies | onsemi | |
| Type | Transistors | Transistors | Transistors | |
| Datasheet | Open | Open | Open | |
| Lead Time | 19 weeks | 12 weeks | 53 weeks | |
| Country of Origin | - | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8541.21.0095 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| FET Type | P-Channel | - | - | |
| Vgs (Max) | ±20V | - | - | |
| Technology | MOSFET (Metal Oxide) | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | - | - |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 BSS138onsemi | In stock | Active | 5Alternatives availableSee Alternatives |
 BSS138_NLonsemi | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
| BAS28Nexperia | Non-stock | Active | 2Alternatives availableSee Alternatives |
 BSS138LT1onsemi | Discontinued | Obsolete | 4Alternatives availableSee Alternatives |
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Frequently asked questions
Yes. The Diodes Incorporated BSS84 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 Diodes Incorporated BSS84 are the BSS84PH6327XTSA2 (Infineon Technologies) and the BSS84LT1G (onsemi), out of 6 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 BSS84 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 BSS84 (Diodes Incorporated) is a part in the Transistors category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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