IXFH20N60 N-Channel 600V 20A MOSFET Equivalent & Substitute Parts

Part Overview

The IXFH20N60 is an N-Channel MOSFET manufactured by IXYS, rated for 600V drain-to-source voltage with 20A continuous drain current at 25°C. This device operates in the HiPerFET™ series and is housed in a TO-247AD through-hole package. The part is currently Active in product status with 2542 units in stock.

Substitute parts are necessary when the IXFH20N60 becomes unavailable, reaches end-of-life status, or when design requirements necessitate alternative electrical or thermal characteristics. Equivalent devices must maintain compatibility with the 600V voltage class, support 20A continuous drain current, and utilize the same TO-247-3 package footprint.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	600	V
Continuous Drain Current (Id) @ 25°C	20	A
On-State Resistance (Rds On) @ 10A, 10V	350	mOhm
Gate Threshold Voltage (Vgs(th)) @ 4mA	4.5	V
Gate Charge (Qg) @ 10V	170	nC
Input Capacitance (Ciss) @ 25V	4500	pF
Power Dissipation (Max)	300	W
Operating Temperature Range	-55 to 150	°C
Package Type	TO-247-3	Through Hole
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution logic for the IXFH20N60 is based on the following critical parameters:

Voltage Class Compatibility: All substitute parts must maintain a Drain-to-Source Voltage (Vdss) rating of 600V or higher. Parts rated at 650V or 800V are acceptable as they provide equivalent or superior voltage withstand capability.

Current Rating Compatibility: Substitute parts must support a minimum continuous drain current (Id) of 20A at 25°C. Parts rated at 20A, 20.7A, or higher current ratings are acceptable.

Package Footprint: All substitute parts must use the TO-247-3 package configuration to ensure mechanical and electrical compatibility with existing PCB layouts.

On-State Resistance (Rds On): While not a strict requirement for substitution, Rds On values within the range of 70mOhm to 400mOhm are typical for this device class. Lower Rds On values indicate improved efficiency; higher values indicate acceptable performance within the 600V class.

Gate Charge (Qg): Gate charge values ranging from 30nC to 260nC are acceptable. Lower gate charge reduces switching losses and driver requirements.

Operating Temperature Range: All substitute parts must support the full operating temperature range of -55°C to 150°C (TJ).

Compliance: All substitute parts must maintain ROHS3 compliance and REACH Unaffected status to ensure regulatory alignment with the original part.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Qg (nC)	Ciss (pF)	Pd Max (W)	Package	Status
IXFH20N60	IXYS	600	20	350	170	4500	300	TO-247-3	Active
AOK20N60L	Alpha & Omega Semiconductor	600	20	370	74	3680	417	TO-247-3	Obsolete
APT47N60BC3G	Microchip Technology	600	47	70	260	7015	417	TO-247-3	Active
IPW60R075CPFKSA1	Infineon Technologies	650	39	75	116	4000	313	TO-247-3	Not For New Designs
IPW60R099CPFKSA1	Infineon Technologies	650	31	99	80	2800	255	TO-247-3	Not For New Designs
IPW80R360P7XKSA1	Infineon Technologies	800	13	360	30	930	84	TO-247-3	Active
IRFPC60LCPBF	Vishay Siliconix	600	16	400	120	3500	280	TO-247-3	Active
IRFPC60PBF	Vishay Siliconix	600	16	400	210	3900	280	TO-247-3	Active
SPW15N60C3FKSA1	Infineon Technologies	650	15	280	63	1660	156	TO-247-3	Last Time Buy
SPW20N60C3FKSA1	Infineon Technologies	650	20.7	190	114	2400	208	TO-247-3	Active
SPW35N60CFDFKSA1	Infineon Technologies	600	34.1	118	212	5060	313	TO-247-3	Not For New Designs

Engineering Selection Recommendations

Primary Substitutes (Active Status):

The SPW20N60C3FKSA1 (Infineon Technologies) is the preferred substitute for new designs. This device maintains a 650V Vdss rating, supports 20.7A continuous drain current, and features a lower on-state resistance of 190mOhm compared to the IXFH20N60's 350mOhm. The part is currently Active in product status and ROHS3 compliant. The slightly elevated voltage rating (650V vs. 600V) provides additional design margin without compromising compatibility.

The APT47N60BC3G (Microchip Technology) is suitable for applications requiring higher current capacity. With a 47A continuous drain current rating and 70mOhm on-state resistance, this part accommodates designs with increased thermal or current demands while maintaining the 600V voltage class and TO-247-3 package. Product status is Active.

The IRFPC60LCPBF and IRFPC60PBF (Vishay Siliconix) are suitable for applications where the IXFH20N60 is unavailable. Both devices are rated at 600V and 16A continuous drain current. While the 16A rating is below the IXFH20N60's 20A specification, these parts are appropriate for designs with reduced current requirements. Both are Active in product status and ROHS3 compliant.

Secondary Substitutes (Limited Availability):

The IPW80R360P7XKSA1 (Infineon Technologies, CoolMOS™ P7 series) is suitable only for applications where the higher 800V voltage rating is acceptable and current requirements do not exceed 13A. This part is Active in product status but represents a significant departure from the original electrical specifications.

Parts Not Recommended for New Designs:

The AOK20N60L (Alpha & Omega Semiconductor) is Obsolete and should not be selected for new designs despite matching the 600V/20A specifications.

The IPW60R075CPFKSA1 and IPW60R099CPFKSA1 (Infineon Technologies) are marked "Not For New Designs" and should be avoided in new product development.

The SPW35N60CFDFKSA1 (Infineon Technologies) is marked "Not For New Designs" and should not be selected for new applications.

The SPW15N60C3FKSA1 (Infineon Technologies) is in "Last Time Buy" status and has limited availability.

Frequently Asked Questions (FAQ)

Q: Can the IXFH20N60 be directly replaced with the SPW20N60C3FKSA1?

A: Yes. Both devices are N-Channel MOSFETs in the TO-247-3 package with compatible voltage and current ratings. The SPW20N60C3FKSA1 supports 20.7A continuous drain current at 650V, which exceeds the IXFH20N60's 600V/20A specification. The lower on-state resistance (190mOhm vs. 350mOhm) improves efficiency. Both parts are ROHS3 compliant and operate across the -55°C to 150°C temperature range.

Q: What is the difference between the IRFPC60LCPBF and IRFPC60PBF?

A: Both parts are rated at 600V and 16A continuous drain current in the TO-247-3 package. The primary difference is gate charge: IRFPC60LCPBF has 120nC while IRFPC60PBF has 210nC. The IRFPC60LCPBF is preferred for applications sensitive to switching losses or driver requirements. Both are Active in product status.

Q: Why is the APT47N60BC3G listed as a substitute if it has a 47A rating instead of 20A?

A: The APT47N60BC3G is a valid substitute because it meets or exceeds all critical parameters: 600V voltage rating, 47A continuous drain current (exceeds the 20A requirement), TO-247-3 package, and ROHS3 compliance. Higher current ratings provide design flexibility and thermal margin. The part is suitable for applications where the IXFH20N60 is unavailable and current capacity is not a limiting factor.

Q: Can I use the IPW80R360P7XKSA1 as a substitute?

A: The IPW80R360P7XKSA1 is mechanically compatible (TO-247-3 package) but represents a significant electrical departure. The 800V rating exceeds the 600V specification, and the 13A continuous drain current is below the IXFH20N60's 20A rating. This part is suitable only for applications where the higher voltage rating is acceptable and current requirements do not exceed 13A. The part is Active in product status.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory alignment with the original IXFH20N60.

Q: What should I consider when selecting between multiple substitute parts?

A: Selection should prioritize product status (Active preferred), current rating requirements, on-state resistance (lower values improve efficiency), and thermal dissipation needs. The SPW20N60C3FKSA1 is recommended for new designs due to its Active status and improved electrical characteristics. For applications with higher current demands, the APT47N60BC3G is appropriate. For cost-sensitive applications with reduced current requirements, the IRFPC60 variants are suitable.

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

A: Parts marked "Not For New Designs" are in end-of-life or limited production status. These parts should be used only for legacy system maintenance or repair. New product development should utilize parts with Active status to ensure long-term availability and supply chain stability.

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