The MMBT3646 is a bipolar junction transistor manufactured by Fairchild Semiconductor. The transistor has a VCEO of 15 V, a VCES of 40 V, a VCBO of 40 V, and a VEBO of 5 V. It can withstand a maximum current of 300 mA and a maximum power of 625 mW. The transistor's rated operating temperature is 150°C.
This document is a technical datasheet for the Fairchild Semiconductor MMBT3646 switching transistor. It provides comprehensive specifications including absolute maximum ratings such as collector-emitter voltage of 15V and continuous collector current of 300mA.
The datasheet details electrical characteristics like DC current gain ranging from 25 to 120, along with small-signal and switching parameters. It also includes thermal resistance values and package dimensions for the SOT-23 form factor.
| Emitter-Base Voltage (VEBO) | 5 V |
|---|---|
| Collector Current (DC) - Continuous | 300 mA |
| Total Device Dissipation @ Ta=25°C | 625 mW |
| Operating and Storage Junction Temperature Range | -55 to +150 °C |
No, Fairchild's products are not authorized for use as critical components in life support devices or systems without express written approval.
The device supports a continuous DC collector current of up to 300 mA.
The turn-on time is 18 ns when Vceo is 10Vdc and Io is 300mAdc.
The package height ranges from 0.95 mm to 1.14 mm.