STMicroelectronics MJD31CT4-A BJTs
Low voltage NPN power transistor
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
MJD31CT4-A
Detailed Description
Low voltage NPN power transistor
Package
TO-252-3, DPAK (2 Leads + Tab), SC-63
Lifecycle Status
Active
Datasheet
MJD31CT4-A Datasheet
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Technical Specifications
STMicroelectronics MJD31CT4-A BJTs technical specifications.
General
RoHS
Yes
Package / Case
TO-252-3, DPAK
Mounting Type
Surface Mount
Operating Temperature
150°C (TJ)
Lifecycle Status
Active
Current Collector Cutoff Max
50µA
Dc Current Gain Hfe Min IC Vce
10 @ 3A, 4V
Power Max
15 W
Transistor Type
NPN
Current Collector IC Max
3 A
Alternate Parts Comparison (MJD31CT4-A vs MJD45H11T4 vs MJD31C vs MJD32C)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | TO-252-3, DPAK | TO-252-3, DPAK | TO-252-3, DPAK | TO-252-3, DPAK |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) |
| Lifecycle Status | Active | Active | Obsolete | Obsolete |
| Current Collector Cutoff Max | 50µA | 10µA | 50µA | 50µA |
| Current Collector IC Max | 3 A | 8 A | 3 A | 3 A |
| Dc Current Gain Hfe Min IC Vce | 10 @ 3A, 4V | 40 @ 4A, 1V | 10 @ 3A, 4V | 10 @ 3A, 4V |
| Power Max | 15 W | 20 W | 15 W | 15 W |
| Transistor Type | NPN | PNP | NPN | PNP |
| Vce Saturation Max Ib IC | 1.2V @ 375mA, 3A | 1V @ 400mA, 8A | 1.2V @ 375mA, 3A | 1.2V @ 375mA, 3A |
| Voltage Collector Emitter Breakdown Max | 100 V | 80 V | 100 V | 100 V |
| RoHS | Yes | Yes | -- | Yes |
| 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
NJVMJD31CGonsemiDirectonsemi
Pin YesPkg YesElec Yes
3.0 A, 100 V NPN Bipolar Power Transistor, 75-TUBE
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.