IXKC15N60C5 N-Channel 600V 15A MOSFET Equivalent & Substitute Parts

Part Overview

The IXKC15N60C5 is an N-Channel 600V 15A MOSFET manufactured by IXYS in the CoolMOS™ series, housed in the ISOPLUS220™ through-hole package. This device is classified as obsolete, making identification of functionally equivalent substitute parts essential for ongoing system support, design updates, and procurement continuity. The ISOPLUS220™ package presents specific mechanical constraints that limit direct substitution options, as most modern equivalents utilize TO-220 or TO-220FM packaging formats.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	600	V
Continuous Drain Current (Id) @ 25°C	15	A
On-State Resistance (Rds On) @ 12A, 10V	165	mOhm
Gate Threshold Voltage (Vgs(th)) @ 900µA	3.5	V
Gate Charge (Qg) @ 10V	52	nC
Input Capacitance (Ciss) @ 100V	2000	pF
Gate Voltage Range (Vgs)	±20	V
Operating Temperature Range	-55 to 150	°C
Mounting Type	Through Hole	—
Package	ISOPLUS220™	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the IXKC15N60C5 is constrained by the following critical parameters:

Electrical Compatibility Requirements:

Drain to Source Voltage (Vdss) must equal or exceed 600V
Continuous Drain Current (Id) must equal or exceed 15A at 25°C
On-State Resistance (Rds On) should not significantly exceed 165mOhm to maintain thermal performance
Gate Threshold Voltage (Vgs(th)) must remain within compatible drive circuit specifications
Operating temperature range must span -55°C to 150°C

Mechanical Compatibility Constraints:

Through-hole mounting is required
Package format must accommodate existing PCB layouts; ISOPLUS220™ is a specialized package with limited direct equivalents
Most substitute parts utilize TO-220 or TO-220FM packages, which differ mechanically from ISOPLUS220™

Compliance Requirements:

RoHS3 compliance is mandatory
REACH unaffected status is required

The substitute parts listed below meet the electrical parameters within acceptable tolerances. However, package differences necessitate PCB layout evaluation before implementation.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Vgs(th) (V)	Qg (nC)	Package	Status
IXKC15N60C5	IXYS	600	15	165 @ 12A, 10V	3.5 @ 900µA	52 @ 10V	ISOPLUS220™	Obsolete
AOTF20S60L	Alpha & Omega Semiconductor	600	20	199 @ 10A, 10V	4.1 @ 250µA	19.8 @ 10V	TO-220-3	Not For New Designs
AOTF27S60L	Alpha & Omega Semiconductor	600	27	160 @ 13.5A, 10V	4 @ 250µA	26 @ 10V	TO-220-3	Not For New Designs
FCPF16N60NT	onsemi	600	16	199 @ 8A, 10V	4 @ 250µA	52.3 @ 10V	TO-220-3	Obsolete
FCPF190N60	onsemi	600	20.2	199 @ 10A, 10V	3.5 @ 250µA	74 @ 10V	TO-220-3	Not For New Designs
FCPF190N60E	onsemi	600	20.6	190 @ 10A, 10V	3.5 @ 250µA	82 @ 10V	TO-220-3	Not For New Designs
FCPF20N60	onsemi	600	20	190 @ 10A, 10V	5 @ 250µA	98 @ 10V	TO-220-3	Not For New Designs
IPA60R199CPXKSA1	Infineon Technologies	650	16	199 @ 9.9A, 10V	3.5 @ 1.1mA	43 @ 10V	TO-220-3	Not For New Designs
R6020ENX	Rohm Semiconductor	600	20	196 @ 10A, 10V	4 @ 1mA	60 @ 10V	TO-220-3	Active
R6020KNX	Rohm Semiconductor	600	20	196 @ 9.5A, 10V	5 @ 1mA	40 @ 10V	TO-220-3	Active
R6024ENX	Rohm Semiconductor	600	24	165 @ 11.3A, 10V	4 @ 1mA	70 @ 10V	TO-220-3	Active

Engineering Selection Recommendations

For Active Production and New Designs:

The R6020ENX and R6020KNX (Rohm Semiconductor) are classified as Active products and represent the most suitable long-term substitutes. Both devices maintain 600V Vdss rating, 20A continuous drain current, and 196mOhm Rds On specifications that align with the IXKC15N60C5 electrical performance envelope. R6024ENX offers increased current capacity (24A) with matched Rds On (165mOhm), providing design margin for thermal management.

For Legacy System Support:

FCPF16N60NT (onsemi) provides the closest electrical match to the original IXKC15N60C5, with identical 600V Vdss, 16A Id, and 52.3nC gate charge. Despite obsolete status, this part maintains ROHS3 compliance and may be available through legacy component channels.

Package Transition Considerations:

All listed substitutes utilize TO-220-3 or TO-220FM packages, which differ mechanically from the ISOPLUS220™ package of the original part. PCB layout modifications are required for any substitution. The TO-220 format is industry-standard and widely supported across thermal management solutions.

Compliance Verification:

All substitute parts listed maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements equivalent to the original IXKC15N60C5.

Frequently Asked Questions (FAQ)

Q: Can I directly replace IXKC15N60C5 with any of these substitute parts without PCB modification?

A: No. The IXKC15N60C5 uses the ISOPLUS220™ package, while all listed substitutes use TO-220 or TO-220FM packages. These packages have different pin configurations and mechanical footprints. PCB layout modifications are required.

Q: Which substitute part has the closest electrical performance to the original IXKC15N60C5?

A: FCPF16N60NT (onsemi) provides the closest match with 600V Vdss, 16A continuous drain current, and 52.3nC gate charge. However, it is classified as obsolete. For active production, R6024ENX (Rohm) matches the original Rds On specification (165mOhm) while providing higher current capacity (24A).

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements equivalent to the original IXKC15N60C5.

Q: What is the difference between R6020ENX and R6020KNX?

A: Both are Rohm Semiconductor 600V, 20A MOSFETs with TO-220FM packaging. R6020ENX has 50W maximum power dissipation and operates to 150°C. R6020KNX has 68W maximum power dissipation and operates from -55°C to 150°C, providing wider temperature range coverage.

Q: Can I use a higher current-rated part like AOTF27S60L or R6024ENX as a direct substitute?

A: Yes, from an electrical standpoint. Higher current ratings provide design margin and improved thermal performance. However, gate charge and input capacitance may differ, requiring verification of gate drive circuit compatibility. PCB layout changes are still mandatory due to package differences.

Q: What is the significance of the Rds On specification in selecting a substitute?

A: On-state resistance directly affects power dissipation and thermal performance. The IXKC15N60C5 specifies 165mOhm at 12A, 10V. Substitute parts with higher Rds On values (e.g., 190–199mOhm) will generate more heat at equivalent current levels. R6024ENX matches the original 165mOhm specification, making it thermally equivalent.

Q: Why are some substitute parts marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development and recommends alternative parts for new projects. These parts may still be available through inventory channels and are suitable for legacy system support and replacement applications.

Q: How does gate charge (Qg) affect my circuit design?

A: Gate charge determines the energy required to switch the MOSFET on and off. Higher gate charge (e.g., FCPF20N60 at 98nC) requires more drive current or longer switching times. Lower gate charge (e.g., R6020KNX at 40nC) enables faster switching. Verify gate drive circuit specifications before substitution.

Q: Is the 650V Vdss rating of IPA60R199CPXKSA1 acceptable as a substitute for a 600V part?

A: Yes. A higher voltage rating provides additional safety margin and is electrically compatible. However, this part is classified as "Not For New Designs." For new applications, select from active-status alternatives with 600V ratings.

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