Details

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BUY 2SA1111 https://www.utsource.net/itm/p/12608989.html

Parameter	Symbol	Value	Unit
Collector-Emitter Voltage	VCEO	60	V
Collector-Base Voltage	VCBO	75	V
Emitter-Base Voltage	VEBO	5	V
Collector Current	IC	300	mA
Base Current	IB	30	mA
Power Dissipation	PT	625	mW
Operating Temperature	TA	-55 to 150	掳C
Storage Temperature	TSTG	-65 to 150	掳C
Transition Frequency	fT	150	MHz
DC Current Gain (Min)	hFE	30	-
DC Current Gain (Max)	hFE	400	-

Instructions for Use:

1. Handling: Handle the 2SA1111 with care to avoid static damage. Use proper anti-static equipment.
2. Mounting: Ensure proper heat sinking if operating near maximum power dissipation to prevent overheating.
3. Biasing: Set the base current (I_B) to achieve the desired collector current (I_C) within the specified range.
4. Temperature: Operate within the specified temperature range to ensure reliable performance and longevity.
5. Voltage Ratings: Do not exceed the maximum voltage ratings (V_CEO, V_CBO, V_EBO) to avoid damage.
6. Storage: Store in a dry, cool place to prevent moisture damage.
7. Testing: Use a multimeter or transistor tester to verify the functionality of the 2SA1111 before installation.
8. Soldering: Use a low-wattage soldering iron and avoid excessive heat during soldering to prevent damage to the component.

(For reference only)