FCP290N80 Equivalent & Substitute Parts

Part Overview

The FCP290N80 is an N-Channel 800V 17A MOSFET in TO-220-3 through-hole packaging, manufactured by onsemi as part of the SuperFET® II series. 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 212W maximum power dissipation and features a maximum on-resistance of 290mOhm at specified conditions.

Due to its obsolete status, locating equivalent or substitute components becomes necessary for ongoing production support, maintenance applications, and legacy system repairs. Substitute parts must maintain electrical compatibility across critical parameters including drain-source voltage rating, continuous drain current capability, and thermal characteristics.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain to Source Voltage (Vdss)	800	V
Current - Continuous Drain (Id) @ 25°C	17	A
Rds On (Max) @ Id, Vgs	290	mOhm @ 8.5A, 10V
Power Dissipation (Max)	212	W
Operating Temperature Range	-55 to 150	°C
Package Type	TO-220-3	Through Hole
Gate Charge (Qg) (Max) @ Vgs	75	nC @ 10V
Vgs(th) (Max) @ Id	4.5	V @ 1.7mA

Substitute Part Grouping Explanation

Substitution eligibility for the FCP290N80 is determined by strict adherence to the following electrical and mechanical parameters:

Primary Compatibility Criteria:

Drain to Source Voltage (Vdss): Must equal or exceed 800V
FET Type: Must be N-Channel
Package Type: Must be TO-220-3 through-hole configuration
Operating Temperature Range: Must support -55°C to 150°C minimum
Technology: Must be MOSFET (Metal Oxide)

Secondary Performance Criteria:

Current - Continuous Drain (Id): Substitute must support minimum 17A at 25°C
Power Dissipation: Substitute must support minimum 212W
On-Resistance (Rds On): Lower values indicate improved performance but are not mandatory for substitution

The NTP360N80S3Z meets the primary compatibility criteria with matching 800V Vdss rating, N-Channel configuration, TO-220-3 packaging, and identical operating temperature range. However, the substitute exhibits reduced continuous drain current (13A versus 17A) and lower power dissipation (96W versus 212W), indicating application-dependent suitability.

Parameter Comparison

Parameter	FCP290N80	NTP360N80S3Z	Unit
Manufacturer	onsemi	onsemi	—
FET Type	N-Channel	N-Channel	—
Drain to Source Voltage (Vdss)	800	800	V
Current - Continuous Drain (Id) @ 25°C	17	13	A
Rds On (Max) @ Id, Vgs	290 @ 8.5A, 10V	360 @ 6.5A, 10V	mOhm
Power Dissipation (Max)	212	96	W
Operating Temperature Range	-55 to 150	-55 to 150	°C
Package Type	TO-220-3	TO-220-3	—
Mounting Type	Through Hole	Through Hole	—
Gate Charge (Qg) (Max) @ Vgs	75 @ 10V	25.3 @ 10V	nC
Vgs(th) (Max) @ Id	4.5 @ 1.7mA	3.8 @ 300µA	V
Input Capacitance (Ciss) (Max) @ Vds	3205 @ 100V	1143 @ 400V	pF
Vgs (Max)	±20	±20	V
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	—
REACH Status	REACH Unaffected	REACH Unaffected	—
Product Status	Obsolete	Not For New Designs	—

Engineering Selection Recommendations

FCP290N80 (Primary Part): The FCP290N80 is classified as Obsolete and should not be selected for new designs. This part is suitable only for legacy system maintenance, repair, and replacement applications where original component specifications are required. The part maintains ROHS3 compliance and REACH unaffected status.

NTP360N80S3Z (Substitute Part): The NTP360N80S3Z is classified as Not For New Designs and serves as the manufacturer-recommended substitute. This part maintains electrical compatibility through identical 800V Vdss rating, N-Channel configuration, and TO-220-3 packaging. Both parts share identical operating temperature range (-55°C to 150°C) and comply with ROHS3 and REACH requirements.

Substitution Constraints: The NTP360N80S3Z exhibits reduced continuous drain current (13A versus 17A) and lower maximum power dissipation (96W versus 212W). Applications requiring the full 17A continuous current capability or 212W power dissipation cannot use this substitute without circuit redesign or thermal management modifications. The substitute features lower on-resistance (360mOhm versus 290mOhm at different measurement points) and significantly lower gate charge (25.3nC versus 75nC), which may alter switching characteristics in existing circuit designs.

Both parts are suitable for legacy production support and maintenance applications where component availability is the primary concern and electrical performance margins exist within the application design.

Frequently Asked Questions (FAQ)

Q: Can the NTP360N80S3Z directly replace the FCP290N80 in all applications?

A: Direct replacement is limited by current and power dissipation ratings. The NTP360N80S3Z supports 13A continuous drain current versus the FCP290N80's 17A, and dissipates 96W maximum versus 212W. Applications operating at or near the FCP290N80's rated current or power levels require circuit evaluation before substitution.

Q: Are the TO-220-3 packages physically identical?

A: Both parts use TO-220-3 through-hole packaging, ensuring mechanical compatibility with existing PCB layouts and mounting hardware. No physical modifications to the circuit board or mounting structure are required.

Q: What is the difference between the Obsolete and Not For New Designs product statuses?

A: Obsolete indicates the FCP290N80 has reached end-of-life and is no longer manufactured or supported. Not For New Designs indicates the NTP360N80S3Z is still available but onsemi does not recommend it for new product development. Both statuses indicate these parts are suitable for legacy system support and maintenance only.

Q: Do both parts meet current environmental compliance standards?

A: Yes. Both the FCP290N80 and NTP360N80S3Z are ROHS3 compliant and REACH unaffected, meeting current environmental regulations for electronic components.

Q: How do the gate charge differences affect circuit performance?

A: The NTP360N80S3Z exhibits significantly lower gate charge (25.3nC versus 75nC at 10V). This reduces the charge required to switch the transistor on and off, potentially altering switching speed and driver circuit requirements. Existing gate driver circuits designed for the FCP290N80 may require evaluation for compatibility with the lower gate charge characteristic.

Q: What is the significance of the different on-resistance specifications?

A: The FCP290N80 specifies 290mOhm at 8.5A and 10V gate voltage, while the NTP360N80S3Z specifies 360mOhm at 6.5A and 10V. The higher on-resistance of the substitute increases conduction losses and heat generation. Applications with tight thermal budgets or high continuous current operation require thermal analysis before substitution.

Q: Are there inventory considerations for these parts?

A: The FCP290N80 has 1460 pieces in stock, while the NTP360N80S3Z has 838 pieces available. Both parts are currently available through onsemi distribution channels, though the FCP290N80's larger inventory reflects its obsolete status and remaining stock from previous production runs.

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