IXFC22N60P N-Channel 600V 12A MOSFET Equivalent & Substitute Parts

Part Overview

The IXFC22N60P is an N-Channel 600V 12A MOSFET manufactured by IXYS in the ISOPLUS220™ package. This device is designed for high-voltage switching applications requiring continuous drain current of 12A at 25°C with a maximum power dissipation of 130W. The part is classified as obsolete, necessitating identification of functionally equivalent active alternatives for new designs and ongoing production support.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain to Source Voltage (Vdss)	600	V
Continuous Drain Current (Id) @ 25°C	12	A
On-State Resistance (Rds On) @ 10V	360	mOhm
Gate Threshold Voltage (Vgs(th))	5	V @ 4mA
Gate Charge (Qg) @ 10V	58	nC
Power Dissipation (Max)	130	W
Operating Temperature Range	-55 to 150	°C
Mounting Type	Through Hole	—
Package	ISOPLUS220™	—

Substitute Part Grouping Explanation

Substitution of the IXFC22N60P is determined by the following critical electrical and mechanical parameters:

Primary Matching Criteria:

Drain to Source Voltage (Vdss): 600V minimum
Continuous Drain Current (Id): 12A or greater at 25°C
Gate Drive Voltage: 10V nominal
Operating Temperature Range: -55°C to 150°C minimum
Mounting Type: Through Hole

Secondary Compatibility Factors:

On-State Resistance (Rds On): Comparable performance at specified gate voltage
Gate Charge (Qg): Acceptable switching characteristics
Power Dissipation: Thermal capability for target application
Package Form Factor: Physical compatibility with circuit board layout

Substitute parts are grouped into two categories based on package compatibility:

Category A: TO-220 Package Equivalents — Direct functional substitutes with improved thermal performance (higher power dissipation ratings) and active product status. These parts maintain 600V Vdss and 12A or near-12A continuous drain current specifications.

Category B: TO-220FM Package Variants — Functionally compatible alternatives with 600V Vdss and 11A to 15A continuous drain current ratings. These parts offer comparable on-state resistance and gate charge characteristics with enhanced thermal management.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On @ 10V (mOhm)	Qg @ 10V (nC)	Power Dissipation (W)	Package	Product Status
IXFC22N60P	IXYS	600	12	360	58	130	ISOPLUS220™	Obsolete
APT12F60K	Microsemi	600	12	620	55	225	TO-220-3	Active
SIHA12N60E-E3	Vishay Siliconix	600	12	380	58	33	TO-220-3	Active
FCPF11N60	Fairchild Semiconductor	600	11	380	52	36	TO-220-3	Active
FCPF380N60	Fairchild Semiconductor	600	10.2	380	40	31	TO-220-3	Active
FCPF380N60E	onsemi	600	10.2	380	45	31	TO-220-3	Not For New Designs
FCPF9N60NT	Fairchild Semiconductor	600	9	385	29	29.8	TO-220-3	Active
IPA60R380C6XKSA1	Infineon Technologies	600	10.6	380	32	31	TO-220-3	Not For New Designs
R6011ENX	Rohm Semiconductor	600	11	390	32	40	TO-220-3	Active
R6011KNX	Rohm Semiconductor	600	11	390	22	53	TO-220-3	Active
R6015FNX	Rohm Semiconductor	600	15	350	42	77	TO-220-3	Active

Engineering Selection Recommendations

Primary Recommendation for Direct Replacement:

SIHA12N60E-E3 (Vishay Siliconix) is the closest functional equivalent to the IXFC22N60P. This part maintains identical continuous drain current (12A), gate charge (58 nC), and maximum gate voltage (±30V) specifications. The device is RoHS3 compliant and carries active product status, ensuring long-term availability and supply chain stability. The TO-220-3 package provides superior thermal performance compared to the ISOPLUS220™ package, with a power dissipation rating of 33W versus the original 130W, indicating improved thermal management capability.

Secondary Recommendations for Current-Matched Substitution:

APT12F60K (Microsemi) provides exact current matching at 12A continuous drain current with active product status. This device offers the highest power dissipation rating (225W) among available substitutes, making it suitable for applications requiring maximum thermal headroom. The on-state resistance of 620 mOhm is higher than the original specification, requiring thermal analysis for power-sensitive applications.

Alternative Selections for Current-Reduced Applications:

FCPF11N60 (Fairchild Semiconductor) and R6011ENX (Rohm Semiconductor) both provide 11A continuous drain current with on-state resistance of 380 mOhm and 390 mOhm respectively. These parts are suitable for applications where 12A current capacity is not critical and where reduced gate charge (52 nC and 32 nC respectively) provides switching speed advantages.

R6015FNX (Rohm Semiconductor) offers 15A continuous drain current with the lowest on-state resistance (350 mOhm) among all substitutes. This part is recommended for applications requiring higher current capacity or lower conduction losses, with active product status and RoHS3 compliance.

Parts Not Recommended for New Designs:

FCPF380N60E and IPA60R380C6XKSA1 carry "Not For New Designs" status and should not be selected for new product development despite technical compatibility.

Frequently Asked Questions (FAQ)

Q: Can the IXFC22N60P be directly replaced with a TO-220 package device?

A: Yes, functionally compatible TO-220 package devices can replace the IXFC22N60P provided that the 600V Vdss, 12A (or greater) continuous drain current, and ±30V maximum gate voltage specifications are maintained. However, physical board layout modifications are required due to package form factor differences between ISOPLUS220™ and TO-220-3.

Q: What is the significance of on-state resistance (Rds On) differences between substitute parts?

A: On-state resistance directly affects conduction losses and thermal performance. The IXFC22N60P specifies 360 mOhm at 11A and 10V. Substitute parts with higher Rds On values (such as APT12F60K at 620 mOhm) generate greater heat during operation and require thermal analysis to ensure adequate heat dissipation in the target application. Lower Rds On values (such as R6015FNX at 350 mOhm) reduce conduction losses and improve efficiency.

Q: Are all substitute parts RoHS3 compliant?

A: All recommended active-status substitute parts (SIHA12N60E-E3, APT12F60K, FCPF11N60, R6011ENX, R6011KNX, and R6015FNX) are RoHS3 compliant. FCPF380N60 and FCPF9N60NT do not specify RoHS status in the provided data. FCPF380N60E and IPA60R380C6XKSA1 are RoHS3 compliant but carry "Not For New Designs" status.

Q: What is the difference between gate charge (Qg) specifications, and why does it matter?

A: Gate charge represents the total charge required to switch the MOSFET from off to on state. The IXFC22N60P specifies 58 nC at 10V. Lower gate charge values (such as FCPF380N60 at 40 nC or R6011KNX at 22 nC) enable faster switching with reduced driver power requirements. Higher gate charge values require more robust gate drive circuits but do not affect DC performance.

Q: Can I use a substitute part with lower continuous drain current rating?

A: Substitution with lower current-rated parts (such as FCPF9N60NT at 9A or FCPF380N60 at 10.2A) is acceptable only if the application's actual current requirements do not exceed the substitute part's rating. The original 12A specification must be verified against actual circuit demands before selecting a lower-rated alternative.

Q: What thermal considerations apply when switching from ISOPLUS220™ to TO-220-3 package?

A: The TO-220-3 package provides superior thermal performance through standardized mounting interfaces and improved heat dissipation paths. Power dissipation ratings for TO-220 substitutes (ranging from 31W to 225W) are generally higher than the original 130W ISOPLUS220™ rating, indicating better thermal management. Circuit board layout, heatsink design, and thermal interface materials must be evaluated for the specific application.

Q: Which substitute part offers the best balance of electrical performance and availability?

A: SIHA12N60E-E3 (Vishay Siliconix) provides the optimal balance with exact current matching (12A), identical gate charge (58 nC), active product status, RoHS3 compliance, and the highest inventory availability (48,100 pieces). This part maintains electrical compatibility while ensuring long-term supply chain stability.

Q: Are there any gate voltage (Vgs) limitations I should consider when selecting a substitute?

A: The IXFC22N60P specifies ±30V maximum gate voltage. Most substitute parts maintain this specification (APT12F60K, SIHA12N60E-E3, FCPF11N60, FCPF9N60NT, R6015FNX). However, FCPF380N60, FCPF380N60E, and IPA60R380C6XKSA1 specify ±20V maximum gate voltage, requiring gate drive circuit verification to ensure compatibility with existing designs.

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