2ST5949
TRANS NPN 250V 17A TO-3
Transistors Bipolar Bjt Single
TO-204AA, TO-3
Obsolete
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | 2ST5949 |
| Package / Case | TO-204AA, TO-3 |
| Mounting Type | Chassis Mount |
| Operating Temperature | 150°C (TJ) |
| Power Dissipation (Max) | 250 W |
| Supplier Device Package | TO-3 |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
2ST5949 by STMicroelectronics is an N-channel power MOSFET rated at N/A / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The TO-204AA, TO-3 package offers good thermal performance for SMT mounting. Key spec: Rds(on) max N/A. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for 2ST5949
Alternatives & Replacements
View All →MJ15022G
TRANS NPN 200V 16A TO204
MJH10012
POWER BIPOLAR TRANSISTOR
MJ15015G
TRANS NPN 120V 15A TO204
RCA9166A
NPN POWER TRANSISTOR
2N5038G
TRANS NPN 90V 20A TO204
2N3055G
TRANS NPN 60V 15A TO204
All Technical Specifications
| Power - Max | 250 W |
| Transistor Type | NPN |
| Frequency - Transition | 25MHz |
| Vce Saturation (Max) @ Ib, Ic | 3V @ 800mA, 8A |
| Current - Collector (Ic) (Max) | 17 A |
| Current - Collector Cutoff (Max) | 5µA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 80 @ 1A, 5V |
| Voltage - Collector Emitter Breakdown (Max) | 250 V |
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