Details

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BUY BC549 https://www.utsource.net/itm/p/12596421.html

Parameter	Symbol	Min	Typ	Max	Unit
Collector-Emitter Voltage	VCEO	-	-	50	V
Collector-Base Voltage	VCBO	-	-	60	V
Emitter-Base Voltage	VEBO	-	-	5	V
Collector Current	IC	-	-	100	mA
Base Current	IB	-	-	5	mA
DC Current Gain	hFE	110	800	-	-
Transition Frequency	fT	-	300	-	MHz
Power Dissipation	PD	-	-	625	mW
Operating Temperature	Toper	-55	-	150	掳C
Storage Temperature	Tstg	-65	-	200	掳C

Instructions for Using BC549:

1. Polarity Check: Ensure the correct polarity is used to avoid damage. The BC549 is an NPN transistor.
2. Heat Dissipation: Do not exceed the maximum power dissipation (625 mW). Use a heatsink if necessary for high-power applications.
3. Voltage Limits: Do not exceed the maximum voltages (VCEO: 50V, VCBO: 60V, VEBO: 5V) to prevent breakdown or damage.
4. Current Limits: Ensure that the collector current (IC) does not exceed 100 mA and the base current (IB) does not exceed 5 mA.
5. Operating Temperature: Operate within the temperature range of -55掳C to 150掳C. Store the device between -65掳C and 200掳C.
6. Biasing: Properly bias the transistor to ensure it operates in the desired region (cut-off, active, saturation).
7. Capacitance Considerations: Be aware of the parasitic capacitances that can affect high-frequency performance.
8. Mounting: Handle with care to avoid mechanical stress which can affect performance and reliability.
9. Soldering: Use appropriate soldering techniques to avoid thermal shock and damage to the device.

(For reference only)