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Best Alternatives to 2N5401

Package: TO-92Central SemiconductorDiscrete Semiconductor ProductsTransistor polarity: PNPCollector-emitter voltage (VCEO): -150 VCollector-base voltage (VCBO): -160 VEmitter-base voltage (VEBO): -5 VCollector current (IC): -0.6 A

2N5401 is a high-voltage PNP SOT-23 transistor. The listed candidates need review; none is proven pin-compatible.

AI replacement insight

Electrical riskhigh

VCEO margin fails

Package risklow

SOT-23 matches

Firmware risklow

discrete BJT

Sourcing riskmedium

some items obsolete

Can it be replaced directly?

No direct replacement is verified from these candidates.

Best replacement path

Use a PNP SOT-23 BJT with VCEO at or above 150V and confirmed pinout.

Main risk

Most candidates have much lower VCEO than 2N5401.

Recommended alternatives

3
2SB1198 package
2SB1198

Yangjie Technology

Needs validationhigh risk

2SB1198 is a PNP SOT-23 candidate only for lower-voltage 2N5401 circuits.

View details

Alternative comparison matrix

Feature / factor2N54012SB1198SS8550-HS8550-HCompatibility / risk
PackageSOT-23SOT-23SOT-23SOT-23SOT-23 — same case; SS8550-H: same case
Pinout3-pin needed3-pin, map missing3-pin, map missing3-pin, map missing3-pin, map missing — no pin map; SS8550-H: no pin map
Voltage-150V VCEO-80V VCEO-25V VCEO-25V VCEO-80V VCEO / -25V VCEO — below target; SS8550-H: far below
Current0.6A0.5A1.5A0.5A0.5A / 1.5A — lower IC; SS8550-H: higher IC; S8550-H: lower IC
Temperature-55 to 150C-55 to 150C---55 to 150C — same range
Power0.3W-0.3W0.3W0.3W — same PD; S8550-H: same PD

Application & sourcing insights

Questions & answers

From this set, no best direct alternative is verified; seek a PNP SOT-23 BJT rated for at least 150V VCEO.