Details

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BUY 2SA1285 https://www.utsource.net/itm/p/12607394.html

Parameter	Symbol	Min	Typ	Max	Unit
Collector-Emitter Voltage	VCE	-	-	60	V
Emitter-Base Voltage	VEB	-1.5	-	4.5	V
Collector-Base Voltage	VCBO	-	-	70	V
Collector Current	IC	-	-	3	A
Base Current	IB	-	-	0.3	A
Power Dissipation	PT	-	-	90	W
Junction Temperature	TJ	-55	-	150	掳C
Storage Temperature	TSTG	-55	-	150	掳C
Transition Frequency	fT	-	4	-	MHz
DC Current Gain	hFE	10	40	120	-

Instructions for Use:

1. Handling Precautions:

   • Avoid exceeding the maximum ratings to prevent damage.
   • Use appropriate heat sinks to manage power dissipation and maintain junction temperature within safe limits.

2. Mounting:

   • Ensure proper mechanical mounting to avoid thermal issues.
   • Use thermal paste between the transistor and heat sink for better heat transfer.

3. Electrical Connections:

   • Connect the collector (C), base (B), and emitter (E) correctly according to the circuit diagram.
   • Ensure that the polarity is correct to avoid reverse breakdown.

4. Biasing:

   • Properly bias the base to ensure the transistor operates in the desired region (saturation, active, or cutoff).
   • Use resistors to limit base current and protect the transistor from excessive current.

5. Testing:

   • Test the transistor with a multimeter to check for continuity and proper operation.
   • Monitor the temperature during operation to ensure it stays within the specified range.

6. Storage:

   • Store the transistor in a dry, cool place away from direct sunlight.
   • Handle with care to avoid physical damage.

(For reference only)