Details

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BUY BF422 F422 https://www.utsource.net/itm/p/12609914.html

Parameter	BF422/F422
Type	NPN Silicon Transistor
Collector-Emitter Voltage (Vce)	45 V
Collector Base Voltage (Vcb)	50 V
Emitter-Base Voltage (Veb)	6 V
Continuous Collector Current (Ic)	650 mA
DC Current Gain (hFE)	100 - 700
Transition Frequency (ft)	300 MHz
Power Dissipation (Ptot)	625 mW
Junction Temperature (Tj)	-55 to 150 掳C
Storage Temperature (Tstg)	-65 to 150 掳C

Instructions for Use:

1. Handling Precautions: The BF422/F422 is sensitive to electrostatic discharge (ESD). Use proper handling procedures such as anti-static wrist straps and packaging.
2. Mounting: Ensure the transistor is mounted in a way that allows adequate heat dissipation, especially if operating near maximum power dissipation limits.
3. Biasing: Proper biasing of the base-emitter junction is critical for reliable operation. Ensure that the base current is sufficient to fully saturate the transistor when used as a switch.
4. Operating Conditions: Do not exceed the maximum ratings listed in the parameter table. Operating beyond these limits can cause permanent damage to the device.
5. Storage: Store in a dry, cool environment to prevent degradation of performance over time.
6. Testing: When testing the transistor, use appropriate test equipment settings to avoid overstressing the device.

(For reference only)