ProjectsPricingInsights

Best Alternatives to MMBTA44

Package: TO-236-3, SC-59, SOT-23-3Yangjie TechnologyTransistors - Bipolar (BJT) - SingleSeries: -Package: Tape & Reel (TR)Current - Collector (Ic) (Max): 100 mAVoltage - Collector Emitter Breakdown (Max): 400 VCurrent - Collector Cutoff (Max): 100nA (ICBO)

MMBTA44 is a 400V NPN SOT-23 transistor. The reviewed candidates do not provide a verified pin-compatible replacement.

AI replacement insight

Electrical riskhigh

VCEO is the main blocker.

Package riskmedium

SOT-23 matches, pinout missing.

Firmware risklow

Discrete BJT has no firmware.

Sourcing riskmedium

Some candidates are obsolete.

Can it be replaced directly?

No verified direct replacement was found in this candidate set.

Best replacement path

Search active 400V NPN SOT-23 MMBTA44 equivalents with verified pinout.

Main risk

Most candidates have only 25V to 80V VCEO.

Recommended alternatives

1
MMBTA06-TP package
MMBTA06-TP

Micro Commercial Co

Needs validationhigh risk

MMBTA06-TP matches NPN SOT-23 class but has much lower 80V VCEO than MMBTA44.

View details

Alternative comparison matrix

Feature / factorMMBTA44MMBTA06-TPAlt 2Alt 3Compatibility / risk
PackageSOT-23SOT-23SOT-23 — same package name
Pinout3 pins3 pins3 pins — pin functions not shown
Voltage400V VCEO80V VCEO80V VCEO — not HV capable
Current0.2A0.5A0.5A — higher Ic
Power350mW300mW300mW — lower PC

Application & sourcing insights

Questions & answers

None is verified here. Look for an active 400V NPN SOT-23 transistor with confirmed MMBTA44 pinout.