FSB649

Partnumber	Manufacturer	Quantity	Availability
FSB649 Manufacturer: FAIRCHILD NPN Low Saturation Transistor
FSB649	FAIRCHILD	3000	In Stock
Description and Introduction NPN Low Saturation Transistor The FSB649 is a PNP transistor manufactured by Fairchild Semiconductor. Below are its key specifications: - Type: PNP Bipolar Junction Transistor (BJT) - Package: SOT-23 (Surface Mount) - Collector-Base Voltage (VCBO): -60V - Collector-Emitter Voltage (VCEO): -50V - Emitter-Base Voltage (VEBO): -5V - Collector Current (IC): -500mA (continuous) - Power Dissipation (PD): 330mW - DC Current Gain (hFE): 100 (min) at IC = -10mA, VCE = -1V - Transition Frequency (fT): 100MHz (typical) - Operating Temperature Range: -55°C to +150°C These specifications are based on Fairchild Semiconductor's datasheet for the FSB649 transistor.
Application Scenarios & Design Considerations NPN Low Saturation Transistor
Alternative Part Number MMBT649 --: Same NPN transistor family with similar voltage and current ratings, widely available and pin-compatible in SOT-23. BCP56 --: NPN medium-power transistor with comparable collector current and voltage, suitable for similar switching and amplification roles. 2N6491 --: NPN power transistor with higher current capability, usable as a robust substitute where board space allows.

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FSB649 from FAIRCHILD,Fairchild Semiconductor