IXTP62N15P Equivalent & Substitute Parts

Part Overview

The IXTP62N15P is an N-Channel MOSFET manufactured by IXYS, rated for 150V drain-to-source voltage with a continuous drain current of 62A at 25°C. This device is housed in a TO-220-3 through-hole package and is designed for high-current switching applications requiring robust thermal performance up to 350W. The part is Active in product status and fully RoHS3 compliant.

Substitute parts become necessary when the primary component experiences extended lead times, inventory constraints, or when design flexibility permits operation within the electrical and mechanical parameters of alternative qualified devices. The substitute parts listed maintain electrical compatibility through matching voltage ratings, gate drive specifications, and thermal operating ranges while accommodating variations in continuous drain current and power dissipation ratings.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	150	V
Continuous Drain Current (Id) @ 25°C	62	A
Drive Voltage (Max Rds On)	10	V
Rds On (Max) @ Id, Vgs	40	mOhm @ 31A, 10V
Gate Threshold Voltage (Vgs(th)) @ Id	5.5	V @ 250µA
Gate Charge (Qg) @ Vgs	70	nC @ 10V
Maximum Gate Voltage (Vgs)	±20	V
Input Capacitance (Ciss) @ Vds	2250	pF @ 25V
Power Dissipation (Max)	350	W
Operating Temperature Range	-55 to 175	°C
Package Type	TO-220-3	Through Hole
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility for the IXTP62N15P is determined by the following critical parameters:

Voltage Rating Compatibility: All substitute parts must maintain the 150V drain-to-source voltage (Vdss) rating to ensure safe operation within the same circuit topology and voltage stress limits.

Gate Drive Compatibility: Substitute parts must operate with the same 10V drive voltage specification for maximum Rds On, ensuring compatibility with existing gate driver circuits without modification.

Gate Threshold Voltage (Vgs(th)): Substitute parts must maintain threshold voltage specifications within the range of 5V to 5.5V at the specified gate current to ensure reliable switching behavior with standard gate drive circuits.

Maximum Gate Voltage (Vgs): All substitute parts must support ±20V maximum gate voltage to maintain compatibility with gate drive protection schemes.

Operating Temperature Range: Substitute parts must support the full -55°C to 175°C operating temperature range to ensure functionality across all specified thermal conditions.

Package and Mounting: All substitute parts must use the TO-220-3 through-hole package to maintain mechanical compatibility with existing PCB layouts and thermal management solutions.

Regulatory Compliance: All substitute parts must maintain RoHS3 compliance and REACH unaffected status to satisfy supply chain and environmental requirements.

The substitute parts listed (IRFB4615PBF and IRFB5615PBF) meet all these criteria. However, the continuous drain current rating is reduced from 62A to 35A, and power dissipation is reduced from 350W to 144W. These reductions require circuit-level evaluation to confirm suitability for the intended application.

Parameter Comparison

Parameter	IXTP62N15P	IRFB4615PBF	IRFB5615PBF	Unit
Manufacturer	IXYS	Infineon Technologies	Infineon Technologies	—
Drain to Source Voltage (Vdss)	150	150	150	V
Continuous Drain Current (Id) @ 25°C	62	35	35	A
Drive Voltage (Max Rds On)	10	10	10	V
Rds On (Max) @ Id, Vgs	40 @ 31A, 10V	39 @ 21A, 10V	39 @ 21A, 10V	mOhm
Gate Threshold Voltage (Vgs(th)) @ Id	5.5 @ 250µA	5 @ 100µA	5 @ 100µA	V
Gate Charge (Qg) @ Vgs	70 @ 10V	26 @ 10V	40 @ 10V	nC
Maximum Gate Voltage (Vgs)	±20	±20	±20	V
Input Capacitance (Ciss) @ Vds	2250 @ 25V	1750 @ 50V	1750 @ 50V	pF
Power Dissipation (Max)	350	144	144	W
Operating Temperature Range	-55 to 175	-55 to 175	-55 to 175	°C
Package Type	TO-220-3	TO-220AB	TO-220AB	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	—
Product Status	Active	Active	Active	—

Engineering Selection Recommendations

Primary Part Selection: The IXTP62N15P remains the preferred choice for applications requiring the full 62A continuous drain current and 350W power dissipation rating. This part is Active in product status with 754 units in stock, ensuring availability for immediate deployment.

Substitute Part Selection: The IRFB4615PBF and IRFB5615PBF are qualified substitutes for applications where the continuous drain current requirement does not exceed 35A and power dissipation remains below 144W. Both substitute parts are Active in product status with substantial inventory availability (26,200 and 23,400 units respectively), providing supply chain flexibility.

Compliance Basis: All three parts maintain identical RoHS3 compliance and REACH unaffected status, satisfying regulatory requirements across all markets. Operating temperature ranges are identical (-55°C to 175°C), ensuring thermal compatibility across all specified conditions.

Voltage and Gate Drive Compatibility: All substitute parts maintain the 150V Vdss rating and 10V drive voltage specification, ensuring direct compatibility with existing circuit topologies and gate driver designs without modification.

Thermal Considerations: The reduced power dissipation rating of substitute parts (144W versus 350W) requires verification that thermal management solutions and circuit duty cycles remain within the lower thermal envelope. Applications operating near the 350W limit of the primary part cannot use substitute parts without thermal redesign.

Frequently Asked Questions (FAQ)

Q: Can IRFB4615PBF or IRFB5615PBF be used as direct replacements for IXTP62N15P in all applications?

A: Direct replacement is limited to applications where continuous drain current does not exceed 35A and power dissipation remains below 144W. The primary part supports 62A continuous current and 350W dissipation. Circuit-level analysis is required to confirm suitability for the intended application.

Q: Are the gate drive requirements identical between the primary part and substitute parts?

A: Yes. All three parts operate with a 10V drive voltage specification for maximum Rds On and support ±20V maximum gate voltage. Existing gate driver circuits require no modification for substitution.

Q: What is the difference between IRFB4615PBF and IRFB5615PBF?

A: Both parts share identical electrical ratings (150V, 35A, 144W) and operating temperature ranges. The primary difference is gate charge: IRFB4615PBF specifies 26 nC at 10V, while IRFB5615PBF specifies 40 nC at 10V. This affects gate drive timing and switching speed characteristics.

Q: Are the package dimensions identical between TO-220-3 and TO-220AB?

A: Both designations refer to the same three-lead through-hole package family. Mechanical compatibility with existing PCB layouts and thermal management solutions is maintained across all three parts.

Q: Do all parts meet the same regulatory and compliance standards?

A: Yes. All three parts are RoHS3 compliant, REACH unaffected, and classified under the same HTSUS code (8541.29.0095) and ECCN (EAR99). Supply chain and environmental requirements are identical.

Q: What is the impact of lower gate charge in IRFB4615PBF compared to the primary part?

A: IRFB4615PBF specifies 26 nC gate charge versus 70 nC for the primary part. Lower gate charge reduces gate drive power consumption and enables faster switching transitions. Gate driver circuits must be verified to support the lower charge requirement without instability.

Q: Can substitute parts be used in high-temperature applications at 175°C?

A: Yes. All three parts support the full -55°C to 175°C operating temperature range. However, power dissipation derating curves must be consulted to confirm that the 144W maximum rating of substitute parts remains adequate at elevated junction temperatures.

Q: What inventory considerations apply to these parts?

A: The primary part (IXTP62N15P) has 754 units in stock. Substitute parts have significantly higher availability: IRFB4615PBF (26,200 units) and IRFB5615PBF (23,400 units). Substitute parts provide supply chain redundancy for applications within their current and power ratings.

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