FCP20N60_F080 Equivalent & Substitute Parts

Part Overview

The FCP20N60_F080 is an N-Channel 600V 20A MOSFET manufactured by onsemi in the SuperFET™ series, housed in a TO-220-3 through-hole package. This device is classified as Obsolete, indicating it has reached end-of-life status and is no longer recommended for new designs. The part delivers 208W maximum power dissipation and operates across a temperature range of -55°C to 150°C.

Due to its obsolete status, identifying equivalent and substitute parts is essential for design continuity, production support, and long-term component availability. Substitute devices must maintain electrical compatibility across critical parameters including drain-source voltage, continuous drain current, on-resistance, and gate charge characteristics.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	600	V
Continuous Drain Current (Id) @ 25°C	20	A
On-Resistance (Rds On) @ 10A, 10V	190	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	5	V
Gate Charge (Qg) @ 10V	98	nC
Maximum Gate Voltage (Vgs)	±30	V
Input Capacitance (Ciss) @ 25V	3080	pF
Power Dissipation (Max)	208	W
Operating Temperature Range	-55 to 150	°C
Package Type	TO-220-3	—
Mounting Type	Through Hole	—

Substitute Part Grouping Explanation

Substitution of the FCP20N60_F080 is determined by strict adherence to the following electrical and mechanical criteria:

Primary Substitution Criteria:

Drain-Source Voltage (Vdss): Minimum 600V (equal or higher voltage rating required)
Continuous Drain Current (Id): Minimum 20A at 25°C (equal or higher current rating required)
On-Resistance (Rds On): Maximum 190mOhm at specified gate voltage (lower or equal resistance acceptable)
Gate Charge (Qg): Maximum 98nC at 10V (lower or equal charge acceptable)
Package: TO-220-3 through-hole configuration (mechanical compatibility)
Operating Temperature: -55°C to 150°C minimum range (thermal compatibility)

Secondary Compatibility Factors:

Gate Threshold Voltage (Vgs(th)): 4V to 5V range (acceptable variation for circuit operation)
Maximum Gate Voltage (Vgs): ±25V to ±30V (acceptable variation)
Input Capacitance (Ciss): Variation acceptable within circuit design margins

Substitute parts are grouped into two categories:

Category A - Direct Electrical Equivalents: Parts maintaining 600V/20A specifications with matching or superior electrical characteristics (FCP20N60, AOT20S60L, IPP60R190C6XKSA1, STP24NM60N, STP24N60DM2).

Category B - Enhanced Performance Substitutes: Parts with higher voltage or current ratings (AOT25S65L at 650V/25A, AOT27S60L at 600V/27A, STP28NM60ND at 600V/23A, STP31N65M5 at 650V/22A) that provide design margin and extended operational capability while maintaining backward compatibility.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Qg (nC)	Vgs(th) (V)	Ciss (pF)	Pd Max (W)	Package	Status
FCP20N60_F080	onsemi	600	20	190	98	5	3080	208	TO-220-3	Obsolete
FCP20N60	onsemi	600	20	190	98	5	3080	208	TO-220-3	Not For New Designs
AOT20S60L	Alpha & Omega	600	20	199	19.8	4.1	1038	266	TO-220-3	Not For New Designs
AOT25S65L	Alpha & Omega	650	25	190	26.4	4	1278	357	TO-220-3	Active
AOT27S60L	Alpha & Omega	600	27	160	26	4	1294	357	TO-220-3	Not For New Designs
IPP60R190C6XKSA1	Infineon	600	20.2	190	63	3.5	1400	151	TO-220-3	Not For New Designs
STP24N60DM2	STMicroelectronics	600	18	200	29	5	1055	150	TO-220-3	Active
STP24NM60N	STMicroelectronics	600	17	190	46	4	1400	125	TO-220-3	Active
STP28NM60ND	STMicroelectronics	600	23	150	62.5	5	2090	190	TO-220-3	Active
STP31N65M5	STMicroelectronics	650	22	148	45	5	816	150	TO-220-3	Active

Engineering Selection Recommendations

For Direct Replacement (Minimum Design Changes):

The FCP20N60 from onsemi provides identical electrical specifications to the FCP20N60_F080 and serves as the primary direct substitute. However, this part carries a "Not For New Designs" status, limiting its suitability for long-term production. The part is available in tube packaging with 1458 units in stock and maintains full RoHS3 compliance.

For Active Production (Recommended Primary Alternatives):

STP24NM60N (STMicroelectronics): Active product status with 1205 units in stock. Maintains 600V/17A specifications with 190mOhm on-resistance matching the original part. RoHS3 compliant. Suitable for applications where the 17A continuous current rating is acceptable within design margins.

STP28NM60ND (STMicroelectronics): Active product status with 2320 units in stock. Provides enhanced performance at 600V/23A with superior 150mOhm on-resistance and 190W power dissipation. RoHS3 compliant. Recommended for designs requiring higher current capacity or improved thermal performance.

STP24N60DM2 (STMicroelectronics): Active product status with 3580 units in stock. Maintains 600V rating at 18A continuous current with 200mOhm on-resistance. RoHS3 compliant. Suitable for applications with moderate current requirements.

For Enhanced Voltage Margin (Higher Reliability):

AOT25S65L (Alpha & Omega Semiconductor): Active product status with 1506 units in stock. Provides 650V/25A specifications with matching 190mOhm on-resistance and superior 357W power dissipation. RoHS3 compliant. Recommended for applications requiring higher voltage headroom or increased thermal capacity.

STP31N65M5 (STMicroelectronics): Active product status with 4415 units in stock. Delivers 650V/22A with excellent 148mOhm on-resistance and 150W power dissipation. RoHS3 compliant. Suitable for designs benefiting from higher voltage rating and improved efficiency.

For Legacy System Support (Obsolete Designs):

AOT20S60L (Alpha & Omega Semiconductor): Not For New Designs status with 1997 units in stock. Maintains 600V/20A specifications with 199mOhm on-resistance and superior 266W power dissipation. RoHS3 compliant. Acceptable for sustaining existing production where design changes are not feasible.

IPP60R190C6XKSA1 (Infineon Technologies): Not For New Designs status with 5180 units in stock. Provides 600V/20.2A specifications with matching 190mOhm on-resistance. RoHS3 compliant. Suitable for legacy applications requiring Infineon CoolMOS™ technology.

Compliance Considerations:

All substitute parts listed maintain RoHS3 compliance and REACH Unaffected status, ensuring regulatory compatibility with existing design certifications. All parts operate across the -55°C to 150°C temperature range, maintaining thermal compatibility with the original FCP20N60_F080.

Frequently Asked Questions (FAQ)

Q: Can I use STP24NM60N as a direct replacement for FCP20N60_F080?

A: STP24NM60N is electrically compatible with the FCP20N60_F080 for applications where 17A continuous current is acceptable. Both parts maintain 600V drain-source voltage, 190mOhm on-resistance, and TO-220-3 packaging. The primary difference is the reduced current rating (17A versus 20A). Verify that your circuit design operates within the 17A limit before substitution.

Q: What is the advantage of using AOT25S65L over the original FCP20N60_F080?

A: AOT25S65L provides three key advantages: (1) Active product status ensuring long-term availability, (2) higher voltage rating (650V versus 600V) providing additional design margin, and (3) higher current capacity (25A versus 20A) with superior power dissipation (357W versus 208W). These characteristics make it suitable for applications requiring enhanced thermal performance or higher voltage headroom.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain RoHS3 compliance and REACH Unaffected status, ensuring compatibility with existing design certifications and regulatory requirements.

Q: Can I use STP28NM60ND in a circuit designed for 20A continuous current?

A: Yes. STP28NM60ND is rated for 23A continuous current at 25°C, exceeding the original 20A specification. The part maintains 600V drain-source voltage and provides superior on-resistance (150mOhm versus 190mOhm), making it suitable for direct substitution with improved performance margins.

Q: What is the difference between AOT20S60L and AOT25S65L?

A: AOT20S60L maintains the original 600V/20A specifications with 266W power dissipation but carries "Not For New Designs" status. AOT25S65L provides enhanced specifications at 650V/25A with 357W power dissipation and Active product status. For new designs, AOT25S65L is the recommended choice due to its active status and superior thermal capacity.

Q: Are there any gate charge differences I should consider when substituting?

A: Yes. The original FCP20N60_F080 has 98nC gate charge at 10V. Substitute parts vary: AOT20S60L (19.8nC), AOT25S65L (26.4nC), IPP60R190C6XKSA1 (63nC), STP24NM60N (46nC), and STP28NM60ND (62.5nC). Lower gate charge reduces driver power requirements and switching losses. Verify that your gate driver circuit can accommodate the gate charge of your selected substitute.

Q: Which substitute part offers the best thermal performance?

A: AOT25S65L and AOT27S60L both provide 357W maximum power dissipation, compared to the original 208W. STP28NM60ND delivers 190W. These parts are suitable for applications requiring improved thermal management or higher power levels.

Q: Can I use a 650V rated part in a 600V circuit?

A: Yes. Higher voltage-rated parts (AOT25S65L and STP31N65M5 at 650V) are fully compatible with 600V circuits. The higher voltage rating provides additional design margin and does not negatively impact circuit operation. This is a conservative design practice that enhances reliability.

Q: What is the difference between onsemi SuperFET™, Alpha & Omega aMOS™, Infineon CoolMOS™, and STMicroelectronics MDmesh™/FDmesh™ technologies?

A: These are proprietary MOSFET technology platforms from different manufacturers. All deliver equivalent electrical performance within the specified parameters. Technology differences relate to internal device architecture and manufacturing processes but do not affect substitution compatibility when electrical specifications match.

Q: Are all substitute parts available in TO-220-3 packaging?

A: Yes. All substitute parts listed in this reference are housed in TO-220-3 through-hole packages, ensuring mechanical compatibility with the original FCP20N60_F080 PCB layout and thermal management design.

Q: Which substitute part has the lowest on-resistance?

A: STP31N65M5 provides the lowest on-resistance at 148mOhm, followed by AOT27S60L at 160mOhm and STP28NM60ND at 150mOhm. Lower on-resistance reduces conduction losses and improves efficiency, making these parts suitable for high-efficiency power conversion applications.

Q: Can I use IPP60R190C6XKSA1 for new designs?

A: IPP60R190C6XKSA1 carries "Not For New Designs" status, indicating Infineon has discontinued active support. While the part is electrically compatible and currently in stock (5180 units), it is not recommended for new product development. For new designs, select from active-status alternatives such as STP24NM60N, STP28NM60ND, or AOT25S65L.

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