NPN BJT Transistor, 300V, 500mA, TO-126, Through Hole Product overview: KSE340STU 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, 300V, 500mA. Search-friendly keywords include transistor, BJT, switching, amplification, Through-Hole, 300V, 500mA, 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-KSE340STU can be used for catalog matching and distributor lookup.
TRANS NPN 300V 0.5A TO126-3
Bipolar (BJT) Transistor NPN 300V 500mA 20W Through Hole TO-126-3
Manufacturer: Fairchild/ON Semiconductor
Win Source Part Number: 018231-KSE340STU
Packaging: Tube/Rail
Mounting: Through Hole
Transistor Polarity: NPN
Family Name: KSE340
Categories: Discrete Semiconductor Products
Status: Active
Temperature Range - Operating: 150°C (TJ)
Case / Package: TO-126-3
Maximum Current Collector: 500mA
VCEO Maximum Collector-Emitter Breakdown Voltage: 300V
Collector Cut-off Current(Max): 100μA (ICBO)
Typical Gain (hFE) (Min): 30 @ 50mA, 10V
Maximum Power Dissipation: 20W
Alternative Parts (Cross-Reference): MJE340 Lead Free; MJE340;
Introduction Date: December 28, 2001
ECCN: EAR99
Country of Origin: China
Estimated EOL Date: Obsolete / End of life
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 61 pct.
Supply and Demand Status: Sufficient
Quantity per package: 1,920
Bipolar Transistors - BJT NPN Epitaxial Sil
TRANS NPN 300V 0.5A TO126-3
| ERSAELECTRONICS PTE. LTD. | ODG (Origin Data Global) | DigiKey | Win Source Electronics | VAST STOCK CO., LIMITED | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|
| Product Category | Bipolar RF Transistors | Bipolar RF Transistors | Transistors | Bipolar RF Transistors | Bipolar RF Transistors | Bipolar RF Transistors |
| Product Number | 276-KSE340STU | KSE340STU | KSE340STU-ND | 018231-KSE340STU | KSE340STU | KSE340STU |
| Product Name | Through-Hole 300V 500mA Bipolar Transistor | Single Bipolar Transistors | Single Bipolar Transistors | TRANSISTORS - Transistors (BJT) - Single - KSE340STU | Bipolar Transistors - BJT | Discrete Semiconductor Products - Transistors - Bipolar (BJT) |
| Polarity | NPN | NPN; NPN | NPN | NPN; NPN | ||
| IC(max) | 500 milliamps | 500 milliamps | 500 milliamps | 500 milliamps | ||
| VCEO | 300 volts | 300 volts | 300 volts | 300 volts | ||
| VCBO | 300 volts | |||||
| PD | 20000 milliwatts | 20000 milliwatts |