IXKC20N60C N-Channel 600V 15A MOSFET Equivalent & Substitute Parts

Part Overview

The IXKC20N60C is an N-Channel 600V 15A MOSFET manufactured by IXYS in the CoolMOS™ series. This device features a through-hole ISOPLUS220™ package and is rated for continuous drain current of 15A at 25°C with a maximum drain-to-source voltage of 600V. The part is currently Active in product status with 52,688 units in stock.

Substitute parts are necessary when the ISOPLUS220™ package is not available, when higher current ratings are required, or when alternative package formats such as TO-220F are preferred for specific application requirements. The electrical characteristics of substitute devices must maintain compatibility with the 600V voltage class and provide equivalent or superior performance within the specified operating parameters.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain to Source Voltage (Vdss)	600	V
Continuous Drain Current (Id) @ 25°C	15	A
Drive Voltage (Max Rds On)	10	V
Rds On (Max) @ Id, Vgs	190 mOhm @ 16A, 10V	—
Vgs(th) (Max) @ Id	3.9	V @ 1mA
Gate Charge (Qg) (Max) @ Vgs	114	nC @ 10V
Vgs (Max)	±20	V
Input Capacitance (Ciss) (Max) @ Vds	2400	pF @ 25V
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	Through Hole	—
Package	ISOPLUS220™	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the IXKC20N60C is determined by the following critical electrical and mechanical parameters:

Voltage Class Requirement: All substitute parts must maintain a Drain to Source Voltage (Vdss) rating of 600V or higher. This ensures the device can operate safely within the same voltage domain as the original part.

Current Rating Compatibility: Substitute parts must provide a continuous drain current (Id) rating of 15A or greater at 25°C. Parts with higher current ratings (20A, 24A, 27A) are acceptable as they provide additional design margin and thermal headroom.

On-Resistance (Rds On) Specification: The maximum on-resistance at 10V gate drive must not exceed 199 mOhm to maintain equivalent switching losses and thermal performance. Parts with lower on-resistance values (160–190 mOhm) are preferred.

Gate Charge (Qg) Consideration: Gate charge values up to 114 nC are acceptable. Lower gate charge values reduce driver power dissipation and switching losses.

Package and Mounting: Substitute parts may use alternative through-hole packages (TO-220F, TO-220FM) provided the electrical characteristics remain within specification. The ISOPLUS220™ package is specific to IXYS; equivalent packages from other manufacturers are acceptable.

Compliance and Status: All substitute parts must be RoHS3 compliant and have MSL ratings of 1 (Unlimited) or equivalent. Product status (Active or Not For New Designs) is noted but does not disqualify a part from substitution if electrical parameters are met.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Qg (nC)	Package	Status
IXKC20N60C	IXYS	600	15	190 @ 16A, 10V	114 @ 10V	ISOPLUS220™	Active
AOTF20S60L	Alpha & Omega	600	20	199 @ 10A, 10V	19.8 @ 10V	TO-220F	Not For New Designs
AOTF27S60L	Alpha & Omega	600	27	160 @ 13.5A, 10V	26 @ 10V	TO-220F	Not For New Designs
FCPF16N60NT	onsemi	600	16	199 @ 8A, 10V	52.3 @ 10V	TO-220F-3	Obsolete
FCPF190N60	onsemi	600	20.2	199 @ 10A, 10V	74 @ 10V	TO-220F-3	Not For New Designs
FCPF190N60E	onsemi	600	20.6	190 @ 10A, 10V	82 @ 10V	TO-220F-3	Not For New Designs
FCPF20N60	onsemi	600	20	190 @ 10A, 10V	98 @ 10V	TO-220F-3	Not For New Designs
IPA60R199CPXKSA1	Infineon	650	16	199 @ 9.9A, 10V	43 @ 10V	TO-220-3	Not For New Designs
R6020ENX	Rohm	600	20	196 @ 10A, 10V	60 @ 10V	TO-220FM	Active
R6020KNX	Rohm	600	20	196 @ 9.5A, 10V	40 @ 10V	TO-220FM	Active
R6024ENX	Rohm	600	24	165 @ 11.3A, 10V	70 @ 10V	TO-220FM	Active

Engineering Selection Recommendations

Primary Substitutes (Active Status):

R6020KNX and R6020ENX from Rohm Semiconductor are the preferred substitutes when the ISOPLUS220™ package is unavailable. Both devices maintain 600V Vdss rating, 20A continuous drain current, and on-resistance specifications within 196 mOhm at 10V gate drive. R6020KNX is recommended for applications requiring extended operating temperature range (-55°C to 150°C) and higher power dissipation capability (68W). Both parts are RoHS3 compliant with MSL 1 (Unlimited) ratings.

R6024ENX provides higher current capability (24A) with improved on-resistance (165 mOhm) and is suitable for applications requiring additional thermal margin. This part is Active in product status.

Secondary Substitutes (Not For New Designs Status):

FCPF190N60E from onsemi provides electrical characteristics closely matched to the IXKC20N60C, with 20.6A continuous drain current and 190 mOhm on-resistance at 10V. This part is suitable for replacement in existing designs but is not recommended for new product development.

FCPF20N60 from onsemi offers 20A continuous drain current with 190 mOhm on-resistance and is available in TO-220F-3 package. Gate charge is higher (98 nC) compared to the original part.

AOTF20S60L from Alpha & Omega Semiconductor provides 20A continuous drain current with 199 mOhm on-resistance. This part features significantly lower gate charge (19.8 nC), reducing driver power requirements.

Voltage-Rated Alternative:

IPA60R199CPXKSA1 from Infineon Technologies operates at 650V Vdss, providing additional voltage margin. This part is suitable for applications where higher voltage headroom is beneficial. It maintains 16A continuous drain current and 199 mOhm on-resistance at 10V.

Obsolete Parts:

FCPF16N60NT from onsemi is marked Obsolete and should not be selected for new designs or long-term production applications.

Frequently Asked Questions (FAQ)

Q: Can I substitute the IXKC20N60C with a TO-220F package device?

A: Yes. The ISOPLUS220™ package is specific to IXYS. Equivalent TO-220F and TO-220FM packages from other manufacturers (onsemi, Alpha & Omega, Rohm) provide the same through-hole mounting and electrical compatibility. Verify PCB footprint compatibility before substitution.

Q: What is the minimum current rating required for a substitute part?

A: The substitute part must have a continuous drain current (Id) rating of 15A or greater at 25°C. Parts rated for 16A, 20A, 24A, or 27A are all acceptable. Higher current ratings provide additional design margin and thermal headroom.

Q: Are parts marked "Not For New Designs" acceptable for replacement?

A: Parts with "Not For New Designs" status can be used as direct replacements in existing designs or for repair applications. However, for new product development, Active status parts such as R6020KNX, R6020ENX, or R6024ENX are recommended.

Q: What is the significance of on-resistance (Rds On) in substitution?

A: On-resistance directly affects switching losses and thermal performance. The IXKC20N60C specifies 190 mOhm maximum at 16A and 10V gate drive. Substitute parts with on-resistance values of 160–199 mOhm are acceptable. Lower values reduce power dissipation; higher values increase thermal load.

Q: Can I use a 650V rated device instead of 600V?

A: Yes. A 650V rated device such as IPA60R199CPXKSA1 provides additional voltage margin and is electrically compatible. The higher voltage rating does not degrade performance in 600V applications.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity limitations. These parts do not require special moisture control during storage, handling, or assembly. All recommended substitutes carry MSL 1 ratings.

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

A: Gate charge determines the energy required to switch the MOSFET on and off. Lower gate charge reduces driver power dissipation and switching losses. The IXKC20N60C specifies 114 nC. Substitutes with lower gate charge (19.8–82 nC) reduce driver requirements; higher values (98 nC) increase driver power but remain acceptable.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference are RoHS3 compliant, meeting the same environmental and regulatory requirements as the original IXKC20N60C.

Q: What is the difference between TO-220F and TO-220FM packages?

A: Both are through-hole packages with identical electrical performance. TO-220F is a standard full-pack variant; TO-220FM is a full-pack variant with modified lead configuration. PCB footprints are compatible. Verify specific lead spacing with component datasheets before layout.

Q: Can I use AOTF27S60L for higher current applications?

A: Yes. AOTF27S60L provides 27A continuous drain current with improved on-resistance (160 mOhm), making it suitable for applications requiring higher current capacity. The 600V voltage rating and operating temperature range (-55°C to 150°C) match the original part.

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