MMBT4401
NTE Electronics, Inc
Needs validationmedium risk
MMBT4401 is a strong NPN SOT-23 candidate after pinout review.
Best Alternatives to MMS8050-H-TP
MMS8050-H-TP is an NPN SOT-23 BJT. MMBT4401 is the strongest catalog candidate, but pinout review is still required.
AI replacement insight
Electrical riskmedium
Target VCEO data conflicts.
Package riskmedium
Pinout is missing.
Firmware risklow
Discrete BJT only.
Sourcing riskmedium
MMBT2222 is obsolete.
Can it be replaced directly?
No pin-compatible replacement is verified from the provided fields.
Best replacement path
Start with MMBT4401, then verify E/B/C pinout, VCEO, hFE, VCEsat, and Pd.
Main risk
SOT-23 package match does not prove transistor pinout compatibility.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | MMS8050-H-TP | MMBT4401 | FMMT493 | MMBT2222 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOT-23 | SOT-23 | SOT-23 | SOT-23 | SOT-23 — same package; FMMT493: same package; MMBT2222: same package |
| Pinout | 3-pin EBC unknown | 3-pin unknown | 3-pin unknown | 3-pin unknown | 3-pin unknown — no pin map; FMMT493: no pin map; MMBT2222: no pin map |
| Voltage | 25V VCEO | 40V VCEO | 100V VCEO | 40V VCEO | 40V VCEO / 100V VCEO — passes 1.1x if 25V; FMMT493: large margin; MMBT2222: passes if target is 25V |
| Current | 500mA | 600mA | 1A | 600mA | 600mA / 1A — higher Ic; FMMT493: higher Ic; MMBT2222: higher Ic |
| Power | 300mW | 300mW | 250mW | - | 300mW / 250mW — same Pd; FMMT493: needs derating |
| Lifecycle | Active | - | - | Obsolete | Obsolete — sourcing risk |
Application & sourcing insights
Questions & answers
MMBT4401 is the strongest provided candidate, pending pinout and datasheet review.