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FMMT449 from ZETEX

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7.813ms

FMMT449

Manufacturer: ZETEX

Discrete

Partnumber Manufacturer Quantity Availability
FMMT449 ZETEX 60000 In Stock

Description and Introduction

Discrete The FMMT449 is a transistor manufactured by ZETEX (now part of Diodes Incorporated). Below are its key specifications:  

- **Type**: NPN Bipolar Junction Transistor (BJT)  
- **Package**: SOT-23 (Surface Mount)  
- **Collector-Emitter Voltage (VCEO)**: 20V  
- **Collector-Base Voltage (VCBO)**: 30V  
- **Emitter-Base Voltage (VEBO)**: 5V  
- **Continuous Collector Current (IC)**: 500mA  
- **Total Power Dissipation (Ptot)**: 350mW  
- **DC Current Gain (hFE)**: 100–400 (at IC = 10mA, VCE = 1V)  
- **Transition Frequency (fT)**: 200MHz  
- **Operating Temperature Range**: -55°C to +150°C  

This transistor is commonly used in switching and amplification applications.

Partnumber Manufacturer Quantity Availability
FMMT449 FAIRCHILD 4750 In Stock

Description and Introduction

Discrete The FMMT449 is a PNP bipolar junction transistor (BJT) manufactured by Fairchild Semiconductor (now part of ON Semiconductor). Below are its key specifications:

- **Type**: PNP Transistor  
- **Collector-Emitter Voltage (VCEO)**: -100V  
- **Collector-Base Voltage (VCBO)**: -100V  
- **Emitter-Base Voltage (VEBO)**: -5V  
- **Collector Current (IC)**: -1A  
- **Power Dissipation (Ptot)**: 1W  
- **DC Current Gain (hFE)**: 40-160 (at IC = -150mA, VCE = -1V)  
- **Transition Frequency (fT)**: 50MHz  
- **Package**: SOT-23  

These specifications are based on Fairchild's datasheet for the FMMT449 transistor.

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