Manufacturer: STMicroelectronics
Win Source Part Number: 079755-BUL39D
Packaging: Tube/Rail
Mounting: Through Hole
Transistor Polarity: NPN
Categories: Discrete Semiconductor Products
Status: Active
Temperature Range - Operating: 150°C (TJ)
Case / Package: TO-220AB
Maximum Current Collector: 4A
VCEO Maximum Collector-Emitter Breakdown Voltage: 450V
Max Vce (sat): 1.1V @ 500mA, 2.5A
Collector Cut-off Current(Max): 100μA
Typical Gain (hFE) (Min): 10 @ 10mA, 5V
Maximum Power Dissipation: 70W
Popularity: Medium
Fake Threat In the Open Market: 60 pct.
Supply and Demand Status: Balance
NPN Power Transistor, 450V, 4A, TO-220 Product overview: BUL39D from STMicroelectronics is a Bipolar Transistor for signal amplification, switching, driver stages, discrete power control, and general electronic circuit design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 450V, 4A, TO-220. Search-friendly keywords include transistor, BJT, switching, amplification, 450V, 4A, TO-220, Bipolar Transistor, Single Bipolar Transistors. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 276-BUL39D can be used for catalog matching and distributor lookup.
Bipolar Transistors - BJT NPN Hi-Volt Fast Sw
TRANSISTOR, NPN, TO-220; Transistor Polarity:NPN; Collector Emitter Voltage Max:450V; Continuous Collector Current:2.5A; Power Dissipation:70W; Transistor Mounting:Through Hole; No. of Pins:3Pins; Transition Frequency:-; MSL:- RoHS Compliant: Yes
TRANS NPN 450V 4A TO220
| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | VAST STOCK CO., LIMITED | Newark, An Avnet Company | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|
| Product Category | Transistors | Bipolar RF Transistors | Bipolar RF Transistors | Transistors | Bipolar RF Transistors |
| Product Number | 079755-BUL39D | 276-BUL39D | BUL39D | 25M7930 | BUL39D |
| Product Name | TRANSISTORS - Transistors (BJT) - Single - BUL39D | 450V 4A TO-220 Bipolar Transistor | Bipolar Transistors - BJT | Transistor, Npn, To-220; Transistor Polarity Stmicroelectronics | Discrete Semiconductor Products - Transistors - Bipolar (BJT) |
| Polarity | NPN; NPN | NPN | NPN | ||
| Package Type | TO-220; SOT3; TO-220AB | TO-3; TO-220 | |||
| IC(max) | 4000 milliamps | 4000 milliamps | |||
| VCEO | 450 volts | 450 volts | |||
| VCBO | 850 volts |
