Details

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BUY 2SK81 https://www.utsource.net/itm/p/12535416.html

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Drain-Source Voltage	Vds	-	-	400	V	-
Gate-Source Voltage	Vgs	-10	-	10	V	-
Continuous Drain Current	Id	-	-	5	A	Tc = 25°C
Pulsed Drain Current	Ipd	-	-	10	A	t = 10 ms, Duty Cycle ≤ 2%
Power Dissipation	Pd	-	-	70	W	Tc = 25°C
Junction Temperature	Tj	-	-	175	°C	-
Storage Temperature	Tstg	-55	-	150	°C	-
Thermal Resistance (Junction to Case)	Rthjc	-	1.2	-	°C/W	-

Instructions for Use:

1. Handling Precautions:

   • Handle the 2SK81 with care to avoid damage to the pins or the device itself.
   • Use proper ESD (Electrostatic Discharge) protection when handling the device to prevent damage from static electricity.

2. Mounting:

   • Ensure that the mounting surface is clean and flat to maximize heat dissipation.
   • Use a suitable heatsink if the device will be operating at high power levels.
   • Apply a thin layer of thermal compound between the device and the heatsink to improve thermal conductivity.

3. Biasing:

   • The gate-source voltage (Vgs) should be kept within the specified range (-10V to +10V) to avoid damaging the device.
   • For optimal performance, bias the gate-source voltage according to the specific application requirements.

4. Operating Conditions:

   • Ensure that the drain-source voltage (Vds) does not exceed 400V to prevent breakdown.
   • The continuous drain current (Id) should not exceed 5A at a case temperature of 25°C. For higher currents, use appropriate cooling methods.
   • The pulsed drain current (Ipd) can reach up to 10A for short durations (10 ms) with a duty cycle of 2% or less.

5. Temperature Management:

   • Monitor the junction temperature (Tj) to ensure it does not exceed 175°C.
   • Store the device in an environment where the temperature ranges from -55°C to 150°C.

6. Testing:

   • Before integrating the 2SK81 into a circuit, perform initial tests to verify its functionality and parameters.
   • Use a multimeter or an oscilloscope to measure voltages and currents during testing.

7. Safety:

   • Always follow safety guidelines when working with high voltages and currents.
   • Ensure that the device is properly insulated and that all connections are secure to prevent electrical hazards.

(For reference only)