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Partnumber	Manufacturer	Quantity	Availability
FMMT549 Manufacturer: ZETEX Discrete
FMMT549	ZETEX	41	In Stock
Description and Introduction Discrete The FMMT549 is a transistor manufactured by ZETEX (now part of Diodes Incorporated). Below are its key specifications: 1. Type: NPN Bipolar Junction Transistor (BJT) 2. Package: SOT-23 3. Collector-Emitter Voltage (V_CEO): 20V 4. Collector-Base Voltage (V_CBO): 30V 5. Emitter-Base Voltage (V_EBO): 5V 6. Continuous Collector Current (I_C): 600mA 7. Power Dissipation (P_tot): 350mW 8. DC Current Gain (h_FE): 100–300 (at I_C = 10mA, V_CE = 1V) 9. Transition Frequency (f_T): 150MHz 10. Operating Temperature Range: -55°C to +150°C These specifications are based on the datasheet from ZETEX/Diodes Incorporated. For exact performance under specific conditions, refer to the official datasheet.
Partnumber	Manufacturer	Quantity	Availability
FMMT549	FAIRCHILD	3750	In Stock
Description and Introduction Discrete The FMMT549 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-Emitter Voltage (V_CEO): -20V - Collector-Base Voltage (V_CBO): -30V - Emitter-Base Voltage (V_EBO): -5V - Collector Current (I_C): -600mA (continuous) - Power Dissipation (P_D): 350mW - DC Current Gain (h_FE): 100–300 (at I_C = -150mA, V_CE = -1V) - Transition Frequency (f_T): 200MHz (typical) - Operating Temperature Range: -55°C to +150°C These specifications are based on Fairchild Semiconductor's datasheet for the FMMT549 transistor.

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