Instructions for Use:

1. Mounting and Handling:

   • Handle the 2SC2681 with care to avoid mechanical stress.
   • Ensure proper heat sinking to manage thermal resistance and prevent overheating.

2. Biasing:

   • Set the base current (I_B) appropriately to achieve the desired collector current (I_C).
   • Use a suitable biasing circuit to maintain stable operation over temperature variations.

3. Voltage Ratings:

   • Do not exceed the maximum ratings for V_CE, V_CB, and V_EB to avoid damage.
   • Ensure that the power supply voltage is within safe limits.

4. Thermal Management:

   • Monitor the junction temperature (T_J) to ensure it does not exceed 150°C.
   • Use a heatsink if necessary to dissipate heat effectively.

5. Storage:

   • Store the 2SC2681 in a dry, cool place within the storage temperature range (-65°C to 150°C).

6. Testing:

   • Perform initial testing at room temperature and gradually increase the load to verify performance.
   • Use appropriate test equipment to measure parameters such as V_CE, I_C, and I_B.

7. Soldering:

   • Use a low-temperature soldering iron to avoid damaging the device.
   • Ensure good solder joints to maintain electrical and thermal connections.

8. Safety:

   • Always follow safety guidelines when working with high voltages and currents.
   • Use protective equipment such as gloves and goggles when handling the device.