STMicroelectronics 2STF2550 BJTs
Low voltage high performance PNP power transistors
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
2STF2550
Detailed Description
Low voltage high performance PNP power transistors
Package
TO-243AA
Lifecycle Status
Active
Datasheet
2STF2550 Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics 2STF2550 BJTs technical specifications.
General
RoHS
Yes
Package / Case
TO-243AA
Mounting Type
Surface Mount
Operating Temperature
150°C (TJ)
Lifecycle Status
Active
Current Collector Cutoff Max
100nA (ICBO)
Dc Current Gain Hfe Min IC Vce
110 @ 2A, 2V
Power Max
1.4 W
Transistor Type
PNP
Current Collector IC Max
5 A
Alternate Parts Comparison (2STF2550 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 | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) | -65 °C ~ 150 °C |
| RoHS | Yes | Compliant | Compliant | Compliant |
| Lifecycle Status | Active | Production | Production | Production |
| Package | SOT89-3 | TO-220 | TO-220 | SOT-32 |
| Package / Case | TO-243AA | TO-220-3 | TO-220-3 | -- |
| Current Collector Cutoff Max | 100nA (ICBO) | 700µA | 300µA | -- |
| Current Collector IC Max | 5 A | 10 A | 3 A | -- |
| Dc Current Gain Hfe Min IC Vce | 110 @ 2A, 2V | 20 @ 4A, 4V | 10 @ 3A, 4V | -- |
| Power Max | 1.4 W | 75 W | 2 W | -- |
| Transistor Type | PNP | NPN | NPN | -- |
| Vce Saturation Max Ib IC | 550mV @ 300mA, 3A | 8V @ 3.3A, 10A | 1.2V @ 375mA, 3A | -- |
| 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
Directonsemi
Pin YesPkg YesElec Upgrade
Bipolar Transistor, -50V, -7A, Low VCE(sat), (PNP)NPN Single PCP, SOT-89 / PCP-1, 1000-REEL
More Parts in BJTs
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
