IRFPC48 Equivalent & Substitute Parts

Part Overview

The IRFPC48 is an N-Channel 600V 8.9A MOSFET manufactured by Vishay Siliconix in a Through Hole TO-247AC package. This device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and procurement. The IRFPC48 operates across a temperature range of -55°C to 150°C and is rated for 170W maximum power dissipation at the case temperature. Substitute parts must maintain functional compatibility within the electrical and mechanical constraints of the original design.

Key Parameters

Parameter	IRFPC48 Value	Unit
Drain to Source Voltage (Vdss)	600	V
Continuous Drain Current (Id) @ 25°C	8.9	A
Rds On (Max) @ Id, Vgs	820	mOhm @ 5.3A, 10V
Gate Threshold Voltage (Vgs(th)) @ Id	4	V @ 250µA
Gate Charge (Qg) @ Vgs	110	nC @ 10V
Input Capacitance (Ciss) @ Vds	1800	pF @ 25V
Power Dissipation (Max)	170	W
Operating Temperature Range	-55 to 150	°C
Package Type	TO-247-3	Through Hole
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the IRFPC48 is determined by the following critical parameters: Drain to Source Voltage (Vdss), Continuous Drain Current (Id), On-State Resistance (Rds On), Gate Charge (Qg), and package compatibility. All substitute parts must maintain the TO-247-3 Through Hole package format and operate within the -55°C to 150°C temperature range.

The identified substitute parts are grouped into two categories based on voltage rating alignment:

Category 1: 600V Voltage Class (Direct Voltage Match)

STW10NK60Z: 600V, 10A continuous drain current
STW13NK60Z: 600V, 13A continuous drain current

Category 2: Higher Voltage Class (Overvoltage Rated)

STW10N95K5: 950V, 8A continuous drain current

All substitute parts are manufactured by STMicroelectronics and carry Active product status with RoHS3 compliance, providing long-term availability and regulatory alignment.

Parameter Comparison

Parameter	IRFPC48	STW10NK60Z	STW13NK60Z	STW10N95K5	Unit
Manufacturer	Vishay Siliconix	STMicroelectronics	STMicroelectronics	STMicroelectronics
Drain to Source Voltage (Vdss)	600	600	600	950	V
Continuous Drain Current (Id) @ 25°C	8.9	10	13	8	A
Rds On (Max) @ 10V	820 @ 5.3A	750 @ 4.5A	550 @ 4.5A	800 @ 4A	mOhm
Gate Threshold Voltage (Vgs(th))	4 @ 250µA	4.5 @ 250µA	4.5 @ 100µA	5 @ 100µA	V
Gate Charge (Qg) @ 10V	110	70	92	22	nC
Input Capacitance (Ciss) @ Vds	1800 @ 25V	1370 @ 25V	2030 @ 25V	630 @ 100V	pF
Power Dissipation (Max)	170	156	150	130	W
Operating Temperature Range	-55 to 150	-55 to 150	-55 to 150	-55 to 150	°C
Package Type	TO-247-3	TO-247-3	TO-247-3	TO-247-3
Product Status	Obsolete	Active	Active	Active
RoHS Status	Non-compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant

Engineering Selection Recommendations

STW10NK60Z is the primary substitute for applications requiring direct voltage and current class compatibility. This part maintains the 600V Vdss rating of the IRFPC48 while providing 10A continuous drain current, exceeding the original 8.9A specification. The STW10NK60Z exhibits lower gate charge (70 nC versus 110 nC) and reduced on-state resistance (750 mOhm versus 820 mOhm), resulting in improved switching performance and reduced thermal dissipation. Active product status and RoHS3 compliance ensure long-term availability and regulatory alignment.

STW13NK60Z is suitable for applications where higher current capacity is beneficial within the same 600V voltage class. This part provides 13A continuous drain current with the lowest on-state resistance (550 mOhm) among the 600V substitutes. The increased power dissipation capability (150W) accommodates higher current operation. This selection is appropriate when design margins permit the higher current rating.

STW10N95K5 is applicable for designs operating at voltages below 950V where the higher voltage rating provides additional safety margin. This part is rated for 950V Vdss, exceeding the original 600V specification. The 8A continuous drain current closely matches the IRFPC48 at 8.9A. The significantly reduced gate charge (22 nC) enables faster switching characteristics. This substitute is suitable for applications where overvoltage protection is a design requirement.

All three substitute parts are manufactured by STMicroelectronics with Active product status, ensuring procurement availability and technical support. All substitutes carry RoHS3 compliance, addressing regulatory requirements not met by the obsolete IRFPC48.

Frequently Asked Questions (FAQ)

Q: Can the STW10NK60Z directly replace the IRFPC48 in existing designs?

A: The STW10NK60Z is electrically compatible with the IRFPC48 for applications operating at 600V or below. Both devices share identical Vdss (600V), matching operating temperature range (-55°C to 150°C), and identical TO-247-3 package format. The STW10NK60Z provides higher continuous drain current (10A versus 8.9A) and lower on-state resistance, making it a suitable direct replacement. No PCB modifications are required.

Q: What is the difference between the 600V substitutes (STW10NK60Z and STW13NK60Z)?

A: Both parts maintain the 600V Vdss rating but differ in current capacity and on-state resistance. The STW10NK60Z provides 10A continuous drain current with 750 mOhm on-state resistance. The STW13NK60Z provides 13A continuous drain current with 550 mOhm on-state resistance. Selection depends on the application's current requirements and thermal design constraints. Higher current capacity in the STW13NK60Z results in lower on-state resistance and reduced power dissipation at equivalent current levels.

Q: When should the STW10N95K5 be selected over the 600V alternatives?

A: The STW10N95K5 is selected for applications where the circuit voltage may exceed 600V or where overvoltage transient protection is required. The 950V Vdss rating provides additional voltage margin. The 8A continuous drain current closely matches the IRFPC48 specification. The significantly lower gate charge (22 nC) enables faster switching transitions, beneficial for high-frequency applications. This part is not suitable for direct replacement in designs specifically optimized for 600V operation.

Q: Are all substitute parts available in the same package format?

A: Yes, all three substitute parts (STW10NK60Z, STW13NK60Z, and STW10N95K5) are supplied in the TO-247-3 Through Hole package, identical to the IRFPC48. No package adaptation or PCB redesign is required for mechanical compatibility.

Q: What is the significance of the RoHS3 compliance status of the substitutes?

A: The IRFPC48 is RoHS non-compliant, while all three substitute parts carry RoHS3 compliance. This compliance status is critical for designs subject to regulatory requirements in the European Union and other jurisdictions adopting RoHS directives. RoHS3 compliance ensures the parts do not contain restricted substances including lead, cadmium, mercury, and hexavalent chromium.

Q: How do gate charge differences affect circuit performance?

A: Gate charge (Qg) determines the energy required to switch the MOSFET between on and off states. The IRFPC48 requires 110 nC at 10V, while the STW10NK60Z requires 70 nC and the STW10N95K5 requires only 22 nC. Lower gate charge enables faster switching transitions, reducing switching losses and improving efficiency in high-frequency applications. Gate driver circuits must supply sufficient current to charge the gate within the required switching time window.

Q: What inventory status should be considered for procurement?

A: The IRFPC48 has 899 pieces in stock but is classified as obsolete, indicating no future production. The STW10NK60Z has 3,846 pieces available with Active status. The STW13NK60Z has 2,765 pieces available with Active status. The STW10N95K5 has 44,900 pieces available with Active status. Active product status ensures continued availability and technical support from the manufacturer.

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