STMicroelectronics BUB941ZTT4 BJTs
15A, 350V NPN BJT, D2PAK, 150W Power Transistor
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
BUB941ZTT4
Detailed Description
15A, 350V NPN BJT, D2PAK, 150W Power Transistor
Package
TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Lifecycle Status
Obsolete
Datasheet
BUB941ZTT4 Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics BUB941ZTT4 BJTs technical specifications.
General
Package / Case
TO-263-3, D2PAK
Mounting Type
Surface Mount
Operating Temperature
175°C (TJ)
Lifecycle Status
Obsolete
Dc Current Gain Hfe Min IC Vce
300 @ 5A, 10V
Power Max
150 W
Grade
Automotive
Transistor Type
NPN - Darlington
Current Collector IC Max
15 A
Voltage Collector Emitter Breakdown Max
350 V
Alternate Parts Comparison (BUB941ZTT4 vs MJE3055T vs TIP31A vs ST13003)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Surface Mount | Through Hole | Through Hole | Through Hole |
| Operating Temperature | 175°C (TJ) | 150°C (TJ) | 150°C (TJ) | -65 °C ~ 150 °C |
| Lifecycle Status | Obsolete | Production | Production | Production |
| Package / Case | TO-263-3, D2PAK | TO-220-3 | TO-220-3 | -- |
| Current Collector Cutoff Max | 100µA | 700µA | 300µA | -- |
| Current Collector IC Max | 15 A | 10 A | 3 A | -- |
| Dc Current Gain Hfe Min IC Vce | 300 @ 5A, 10V | 20 @ 4A, 4V | 10 @ 3A, 4V | -- |
| Power Max | 150 W | 75 W | 2 W | -- |
| Transistor Type | NPN - Darlington | NPN | NPN | -- |
| Vce Saturation Max Ib IC | 1.8V @ 250mA, 10A | 8V @ 3.3A, 10A | 1.2V @ 375mA, 3A | -- |
| Voltage Collector Emitter Breakdown Max | 350 V | 60 V | 60 V | -- |
| Number of Pins | -- | 3 | 3 | 3 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MJB5742T4GonsemiSimilaronsemi
Pin YesPkg YesElec Mixed
400V 8A NPN Darlington BJT Power Transistor, D2PAK
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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
