IXFA36N30P3 Equivalent & Substitute Parts

Part Overview

The IXFA36N30P3 is an N-Channel MOSFET manufactured by IXYS, rated for 300V drain-to-source voltage with 36A continuous drain current at 25°C. This device operates in the HiPerFET™ and Polar3™ series and is housed in a Surface Mount TO-263AA package. The part is Active in product status with full RoHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter tolerances while maintaining surface mount compatibility and active product availability.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	300	V
Continuous Drain Current (Id) @ 25°C	36	A (Tc)
Rds On (Max) @ Id, Vgs	110	mOhm @ 18A, 10V
Gate Charge (Qg) (Max) @ Vgs	30	nC @ 10V
Vgs(th) (Max) @ Id	4.5	V @ 250µA
Input Capacitance (Ciss) (Max) @ Vds	2040	pF @ 25V
Power Dissipation (Max)	347	W (Tc)
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	Surface Mount	-
Package	TO-263AA (IXFA)	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution eligibility for the IXFA36N30P3 is determined by the following critical parameters:

Voltage Rating: The substitute must support a minimum Vdss of 300V to maintain equivalent voltage stress capability.

Current Rating: The substitute must support a minimum continuous drain current of 36A at 25°C to handle equivalent load conditions.

On-State Resistance: The substitute Rds On must not exceed 110 mOhm at the specified gate voltage to ensure comparable conduction losses.

Gate Charge: The substitute gate charge must remain within acceptable limits to preserve switching characteristics and driver compatibility.

Mounting and Package: The substitute must be Surface Mount compatible with TO-263 package family specifications.

Compliance: The substitute must maintain RoHS3 compliance and active product status.

The RCJ220N25TL from Rohm Semiconductor does not meet the critical voltage and current requirements for direct substitution. This part is rated for 250V Vdss and 22A continuous drain current, both below the IXFA36N30P3 specifications. Therefore, RCJ220N25TL is not a suitable equivalent for this application.

Parameter Comparison

Parameter	IXFA36N30P3	RCJ220N25TL	Compatibility
Manufacturer	IXYS	Rohm Semiconductor	Different
Drain to Source Voltage (Vdss)	300V	250V	Not Equivalent
Continuous Drain Current (Id) @ 25°C	36A (Tc)	22A (Tc)	Not Equivalent
Rds On (Max) @ Id, Vgs	110 mOhm @ 18A, 10V	140 mOhm @ 11A, 10V	Not Equivalent
Gate Charge (Qg) (Max) @ Vgs	30 nC @ 10V	60 nC @ 10V	Not Equivalent
Vgs(th) (Max) @ Id	4.5V @ 250µA	5V @ 1mA	Similar
Input Capacitance (Ciss) (Max) @ Vds	2040 pF @ 25V	3200 pF @ 25V	Not Equivalent
Power Dissipation (Max)	347W (Tc)	40W (Tc)	Not Equivalent
Operating Temperature Range	-55 to 150°C (TJ)	150°C (TJ)	Not Equivalent
Mounting Type	Surface Mount	Surface Mount	Compatible
Package Family	TO-263-3, D2PAK	TO-263-3, D2PAK	Compatible
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Compatible

Engineering Selection Recommendations

Based on the provided specifications and compliance data, the RCJ220N25TL is not recommended as a substitute for the IXFA36N30P3 in applications requiring the full performance envelope of the primary part.

The IXFA36N30P3 remains the specified component for designs requiring 300V voltage rating and 36A continuous current capability. Both parts maintain Active product status and RoHS3 compliance, ensuring long-term availability and regulatory conformance.

Selection of alternative parts must be based on application-specific requirements. If reduced voltage or current ratings are acceptable within the circuit design, alternative evaluation may be warranted. However, such changes require full circuit re-analysis and validation.

Frequently Asked Questions (FAQ)

Q: Can RCJ220N25TL replace IXFA36N30P3 in my design?

A: No. The RCJ220N25TL has a maximum Vdss of 250V compared to the IXFA36N30P3's 300V rating, and a maximum continuous drain current of 22A compared to 36A. These are fundamental electrical limitations that prevent direct substitution.

Q: What if my circuit operates below 250V?

A: Even in circuits operating below 250V, the RCJ220N25TL's 22A current rating remains insufficient for applications designed for the IXFA36N30P3's 36A capability. Current capacity is a separate limiting factor.

Q: Are the packages compatible?

A: Both parts use Surface Mount TO-263 package family specifications (TO-263-3, D2PAK with 2 leads plus tab). Physical footprint compatibility exists, but electrical parameter mismatches prevent functional substitution.

Q: What about gate charge differences?

A: The RCJ220N25TL has a gate charge of 60 nC at 10V, compared to 30 nC for the IXFA36N30P3. This doubled gate charge affects switching speed and driver requirements, introducing additional incompatibility.

Q: Are both parts RoHS compliant?

A: Yes. Both the IXFA36N30P3 and RCJ220N25TL are ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1), ensuring regulatory conformance for both parts.

Q: What is the product status of these parts?

A: Both parts maintain Active product status, indicating current manufacturing and availability through authorized distributors.

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