Details

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BUY 2SK1157 https://www.utsource.net/itm/p/12608170.html

Parameter	Symbol	Min	Typical	Max	Unit	Conditions
Drain-Source Voltage	VDS	-	-	500	V	-
Gate-Source Voltage	VGS	-	-	±20	V	-
Continuous Drain Current	ID	-	4.0	-	A	TC = 25°C
Continuous Drain Current	ID	-	2.0	-	A	TC = 100°C
Pulse Drain Current	ID(p)	-	8.0	-	A	tp = 10 ms, f ≤ 1 Hz
Transconductance	gfs	0.6	-	2.0	S	VDS = 25V, ID = 1A
Input Capacitance	Ciss	-	1300	-	pF	VDS = 0V
Output Capacitance	Coss	-	250	-	pF	VDS = 25V
Reverse Transfer Capacitance	Crss	-	25	-	pF	VDS = 25V
Total Gate Charge	Qg	-	45	-	nC	VGS = 10V
Gate-Source Threshold Voltage	VGS(th)	1.0	2.0	4.0	V	ID = 1 mA
Junction Temperature	TJ	-	-	150	°C	-
Storage Temperature	Tstg	-55	-	150	°C	-

Instructions for Use:

1. Handling Precautions:

   • The 2SK1157 is sensitive to electrostatic discharge (ESD). Use proper ESD protection during handling and installation.
   • Avoid exceeding the maximum ratings specified in the table to prevent damage to the device.

2. Mounting:

   • Ensure good thermal management by using appropriate heat sinks or heatsink compounds to maintain the junction temperature within the specified limits.
   • Follow the recommended soldering profile to avoid thermal shock and ensure reliable connections.

3. Biasing:

   • Apply the gate-source voltage (V_GS) carefully to stay within the safe operating area. Exceeding the maximum V_GS can cause immediate damage.
   • Ensure the drain-source voltage (V_DS) does not exceed the maximum rating, especially during transient conditions.

4. Operation:

   • Monitor the drain current (I_D) to ensure it does not exceed the continuous or pulse ratings depending on the application.
   • For high-frequency applications, consider the parasitic capacitances (C_iss, C_oss, C_rss) to optimize performance.

5. Storage:

   • Store the device in a dry, cool environment to prevent moisture absorption and degradation.
   • Keep the device in its original packaging until ready for use to protect against static and physical damage.

6. Testing:

   • Use appropriate test equipment and methods to verify the device parameters. Ensure the test conditions match those specified in the datasheet for accurate results.

(For reference only)