Details

---

BUY 2SA949 https://www.utsource.net/itm/p/12593257.html

Parameter	Symbol	Min	Typ	Max	Unit
Collector-Emitter Voltage	VCE	-	-	80	V
Collector-Base Voltage	VCB	-	-	80	V
Emitter-Base Voltage	VEB	-	-	6	V
Collector Current	IC	-	-	15	A
Base Current	IB	-	-	1.5	A
Power Dissipation	PT	-	-	125	W
Junction Temperature	TJ	-	-	150	掳C
Storage Temperature	TSTG	-55	-	150	掳C
Thermal Resistance	Rth	-	-	1.5	掳C/W

Instructions for Use:

1. Mounting and Handling:

   • Handle the 2SA949 with care to avoid mechanical damage.
   • Ensure proper heat sinking to manage thermal resistance and prevent overheating.

2. Electrical Connections:

   • Connect the collector (C), base (B), and emitter (E) terminals correctly.
   • Ensure that the voltage and current ratings are not exceeded to avoid damage.

3. Thermal Management:

   • The maximum power dissipation is 125W. Use appropriate heat sinks to maintain the junction temperature below 150掳C.
   • Monitor the ambient temperature to ensure it remains within the storage temperature range (-55掳C to 150掳C).

4. Biasing:

   • Proper biasing is crucial for optimal performance. Use a suitable biasing circuit to maintain the transistor in the desired operating region (cut-off, active, or saturation).

5. Storage:

   • Store the 2SA949 in a dry, cool environment to prevent degradation.
   • Avoid exposure to extreme temperatures and humidity.

6. Testing:

   • Before installing the 2SA949 in a circuit, test its parameters using a multimeter or a transistor tester to ensure it meets the specified values.

7. Safety:

   • Always follow safety guidelines when handling high-voltage and high-current circuits.
   • Use appropriate personal protective equipment (PPE) when necessary.

(For reference only)