Details

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BUY IRFW644B https://www.utsource.net/itm/p/12532067.html

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Continuous Drain Current	ID	-	20	-	A	TC = 25°C
Pulse Drain Current	Ipp	-	130	-	A	t = 10 ms, duty cycle = 1%
Continuous Gate-Source Voltage	VGS	-20	-	20	V	-
Drain-Source Breakdown Voltage	VDSS	55	-	-	V	-
Gate-Source Leakage Current	IGSS	-	±100	-	nA	VGS = ±20V, TC = 25°C
Drain-Source On-State Resistance	RDS(on)	45	-	70	mΩ	VGS = 10V, ID = 20A, TC = 25°C
Gate Charge	QG	-	80	-	nC	VGS = 10V, VDS = 25V
Total Switching Energy	ETS	-	4.2	-	μJ	VDS = 45V, ID = 20A, f = 100kHz
Junction Temperature	Tj	-55	-	175	°C	-
Storage Temperature Range	Tstg	-55	-	150	°C	-

Instructions for Use:

1. Mounting and Handling:

   • Handle the device with care to avoid mechanical stress.
   • Ensure proper heat sinking if operating at high currents or in high ambient temperatures.

2. Electrical Connections:

   • Connect the drain (D), source (S), and gate (G) terminals correctly.
   • Use short, low-inductance leads to minimize parasitic inductance.

3. Gate Drive:

   • Apply a gate-source voltage (VGS) of at least 10V to ensure full turn-on and minimum RDS(on).
   • Use a gate resistor to control the rise and fall times of the gate signal, reducing switching losses and electromagnetic interference (EMI).

4. Thermal Management:

   • Monitor the junction temperature (Tj) to ensure it does not exceed 175°C.
   • Use a heatsink or thermal pad to dissipate heat effectively, especially under continuous high current conditions.

5. Pulse Operation:

   • For pulse operation, ensure that the pulse width and duty cycle do not exceed the specified limits to avoid overheating.

6. Storage:

   • Store the device in a dry, cool place within the storage temperature range (-55°C to 150°C).

7. ESD Protection:

   • Handle the device with ESD protection measures to prevent damage from static electricity.

8. Testing:

   • Test the device under controlled conditions to verify its performance and reliability before integrating it into a circuit.

9. Compliance:

   • Ensure that the device is used in compliance with all relevant safety and regulatory standards.

(For reference only)