Bipolar (BJT) Transistor NPN - Darlington 100V 4A 40W Through Hole TO-126-3
Medium Power NPN Darlington Bipolar Power Transistor
NPN Darlington Power Transistor, 100V, 4A, TO-126, Through Hole Product overview: BD681STU from onsemi 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 Through-Hole, 100V, 4A. Search-friendly keywords include transistor, BJT, switching, amplification, Through-Hole, 100V, 4A, 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-BD681STU can be used for catalog matching and distributor lookup.
Manufacturer: Fairchild/ON Semiconductor
Win Source Part Number: 079609-BD681STU
Packaging: Tube/Rail
Mounting: Through Hole
Transistor Polarity: NPN - Darlington
Categories: Discrete Semiconductor Products
Status: Active
Temperature Range - Operating: 150°C (TJ)
Case / Package: TO-126-3
Maximum Current Collector: 4A
VCEO Maximum Collector-Emitter Breakdown Voltage: 100V
Max Vce (sat): 2.5V @ 30mA, 1.5A
Collector Cut-off Current(Max): 500μA
Typical Gain (hFE) (Min): 750 @ 1.5A, 3V
Maximum Power Dissipation: 40W
Popularity: Medium
Fake Threat In the Open Market: 61 pct.
Supply and Demand Status: Limited
TRANS NPN DARL 100V 4A TO-126
Darlington Transistors NPN Epitaxial Sil
TRANS NPN DARL 100V 4A TO126-3
| DigiKey | Rochester Electronics | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | Utmel Electronic Limited | VAST STOCK CO., LIMITED | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|
| Product Category | Transistors | Power MOSFET | Bipolar RF Transistors | Transistors | Transistors | Darlington Transistors | Bipolar RF Transistors |
| Product Number | BD681STU-ND | BD681STU | 276-BD681STU | 079609-BD681STU | 598-BD681STU | BD681STU | BD681STU |
| Product Name | Single Bipolar Transistors | Through-Hole 100V 4A Bipolar Transistor | TRANSISTORS - Transistors (BJT) - Single - BD681STU | TRANS NPN DARL 100V 4A TO-126 | Darlington Transistors | Discrete Semiconductor Products - Transistors - Bipolar (BJT) | |
| Polarity | NPN | NPN | NPN; NPN - Darlington | NPN; NPN | |||
| Package Type | TO-225AA, TO-126-3 | TO-126-3 | SOT3; TO-126-3 | ||||
| Packing Method | Tube; Tube | Tube; Tube | |||||
| IC(max) | 4000 milliamps | 4000 milliamps | |||||
| VCEO | 100 volts | 100 volts |
