onsemi TRANSISTORS - Transistors (BJT) - Single - BC639 BC639

Manufacturer: Fairchild/ON Semiconductor
Win Source Part Number: 094871-BC639
Packaging: Reel - TR
Mounting: Through Hole
Frequency - Transition: 100MHz
Transistor Polarity: NPN
Family Name: BC639
Categories: Discrete Semiconductor Products
Status: Active
Temperature Range - Operating: -55°C to 150°C (TJ)
Case / Package: TO-92-3
Maximum Current Collector: 1A
VCEO Maximum Collector-Emitter Breakdown Voltage: 80V
Max Vce (sat): 500mV @ 50mA, 500mA
Collector Cut-off Current(Max): 100nA (ICBO)
Typical Gain (hFE) (Min): 100 @ 150mA, 2V
Maximum Power Dissipation: 1W
Alternative Parts (Cross-Reference): BC639_L34Z; BC639_J35Z; BC639BU; BC639G;
Introduction Date: February 15, 2000
ECCN: EAR99
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: 34 pct.
Supply and Demand Status: Balance
Quantity per package: 5k pcs

NPN BJT Transistor, 80V, 1A, 100MHz, TO-92, Through Hole Product overview: BC639 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, 80V, 1A, 100MHz. Search-friendly keywords include transistor, BJT, switching, amplification, Through-Hole, 80V, 1A, 100MHz, 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-BC639 can be used for catalog matching and distributor lookup.

Bipolar (BJT) Transistor NPN 80V 1A 200MHz 625mW Through Hole TO-92 (TO-226)