Details

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BUY 2SK644 https://www.utsource.net/itm/p/12610652.html

Parameter	Symbol	Min	Typ	Max	Unit
Drain-Source Voltage	Vds	-	-	150	V
Gate-Source Voltage	Vgs	-10	-	0	V
Continuous Drain	Id	-	5	8	A
Pulsed Drain Current	Idp	-	10	15	A
Power Dissipation	Ptot	-	-	90	W
Junction Temperature	Tj	-55	-	175	掳C
Storage Temperature	Tstg	-55	-	150	掳C

Instructions for Use:

1. Handling Precautions:

   • The 2SK644 is sensitive to electrostatic discharge (ESD). Use proper ESD protection during handling and installation.
   • Avoid exceeding the maximum ratings listed in the table to prevent damage to the device.

2. Mounting:

   • Ensure that the device is mounted on a suitable heatsink to maintain the junction temperature within the specified range.
   • Use thermal compound between the device and the heatsink to improve heat dissipation.

3. Biasing:

   • Apply the gate-source voltage (Vgs) carefully to control the drain current (Id). The typical operating range for Vgs is between -4V and 0V.
   • Ensure that the gate-source voltage does not exceed the maximum rating of -10V to avoid damaging the gate.

4. Operation:

   • The device is designed for high-frequency applications. Ensure that the switching frequency and duty cycle are within the recommended ranges for optimal performance.
   • Monitor the power dissipation (Ptot) to ensure it does not exceed 90W, which could lead to overheating and potential failure.

5. Testing:

   • When testing the device, use a constant current source to limit the drain current to the maximum continuous value of 8A or the pulsed value of 15A.
   • Measure the drain-source voltage (Vds) and gate-source voltage (Vgs) to verify proper operation.

6. Storage:

   • Store the device in a dry, cool environment within the storage temperature range of -55掳C to 150掳C.
   • Avoid exposing the device to excessive humidity, as this can affect its performance and reliability.

By following these instructions, you can ensure the reliable and efficient operation of the 2SK644 transistor.

(For reference only)