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Best Alternatives to MMBT2222A

Package: TO-236-3, SC-59, SOT-23-3Yangjie TechnologyTransistors - Bipolar (BJT) - SinglePackage: Tape & Reel (TR)Current - Collector (Ic) (Max): 600 mAVoltage - Collector Emitter Breakdown (Max): 40 VCurrent - Collector Cutoff (Max): 10nADC Current Gain (hFE) (Min) @ Ic, Vce: 100 @ 150mA, 10V

MMBT2222A is an active NPN SOT-23 switching transistor. The closest catalog candidate here is MMBT4401-TP, but pinout is not verified.

AI replacement insight

Electrical riskmedium

voltage, current or fT margins vary

Package risklow

kept parts are SOT-23

Firmware risklow

discrete transistor

Sourcing riskmedium

avoid obsolete rejects

Can it be replaced directly?

No verified direct replacement is proven from the provided fields.

Best replacement path

Check MMBT4401-TP first, then MMBTA06-TP for derated current or speed use.

Main risk

Pinout evidence is missing for all kept candidates.

Recommended alternatives

2
MMBT4401-TP package
MMBT4401-TP

Micro Commercial Co

Needs validationmedium risk

MMBT4401-TP is a close active NPN SOT-23 candidate for MMBT2222A with pinout review needed.

View details

Alternative comparison matrix

Feature / factorMMBT2222AMMBT4401-TPMMBTA06-TPAlt 3Compatibility / risk
PackageSOT-23SOT-23SOT-23SOT-23 — same package; MMBTA06-TP: same package
Pinout3 pins3 pins3 pins3 pins — pin map missing; MMBTA06-TP: pin map missing
Voltage40V40V80V40V / 80V — no 10% margin; MMBTA06-TP: good margin
Current600mA600mA500mA600mA / 500mA — same Ic max; MMBTA06-TP: derate load
Application300MHz fT250MHz fT100MHz fT250MHz fT / 100MHz fT — slower device; MMBTA06-TP: slower device

Application & sourcing insights

Questions & answers

From the provided candidates, MMBT4401-TP is the closest active option, pending pinout and margin review.