Equivalent & Substitute Parts for APT44F80L

Part Overview

APT44F80L from Microchip Technology is an N-Channel MOSFET transistor offered in TO-264 through hole packaging, rated for 800 V drain-to-source voltage and 47A continuous drain current at 25°C. As an active product in the Transistors, FETs, MOSFETs category, its selection is driven by key electrical ratings, mechanical compatibility, and compliance standards. Engineering requirements, product lifecycle management, or inventory needs commonly necessitate identification of alternatives with strictly matching parameters.

Key Parameters

Manufacturer Part Number	Category	Drain to Source Voltage (Vdss)	Current - Continuous Drain (Id) @ 25°C	Rds On (Max) @ Id, Vgs	Drive Voltage (Max Rds On, Min Rds On)	Vgs(th) (Max) @ Id	Gate Charge (Qg) (Max) @ Vgs	Vgs (Max)	Input Capacitance (Ciss) (Max) @ Vds	Power Dissipation (Max)	Operating Temperature	Mounting Type	Package / Case	RoHS Status	REACH Status	MSL	Product Status
APT44F80L	Transistors, FETs, MOSFETs	800 V	47A (Tc)	240mOhm @ 24A, 10V	10V	5V @ 2.5mA	305 nC @ 10 V	±30V	9330 pF @ 25 V	1135W (Tc)	-55°C ~ 150°C (TJ)	Through Hole	TO-264-3, TO-264AA	ROHS3 Compliant	REACH Unaffected	1 (Unlimited)	Active
IXFK32N80Q3	Transistors, FETs, MOSFETs	800 V	32A (Tc)	270mOhm @ 16A, 10V	10V	6.5V @ 4mA	140 nC @ 10 V	±30V	6940 pF @ 25 V	1000W (Tc)	-55°C ~ 150°C (TJ)	Through Hole	TO-264-3, TO-264AA	ROHS3 Compliant	REACH Unaffected	1 (Unlimited)	Active

Substitute Part Grouping Explanation

Substitute parts for APT44F80L are grouped exclusively by matching key electrical and mechanical parameters:

Drain to Source Voltage (Vdss)
Mounting Type
Package / Case
FET Type (N-Channel)
Product Category and Compliance (RoHS, REACH, MSL, Product Status)
Operating Temperature Range

Selection does not include assumptions beyond these explicit criteria.

Parameter Comparison

Manufacturer Part Number	Drain to Source Voltage (Vdss)	Current - Continuous Drain (Id) @ 25°C	Rds On (Max) @ Id, Vgs	Drive Voltage (Max Rds On, Min Rds On)	Vgs(th) (Max) @ Id	Gate Charge (Qg) (Max) @ Vgs	Vgs (Max)	Input Capacitance (Ciss) (Max) @ Vds	Power Dissipation (Max)	Operating Temperature	Mounting Type	Package / Case	RoHS Status	REACH Status	MSL	Product Status
APT44F80L	800 V	47A (Tc)	240mOhm @ 24A, 10V	10V	5V @ 2.5mA	305 nC @ 10 V	±30V	9330 pF @ 25 V	1135W (Tc)	-55°C ~ 150°C (TJ)	Through Hole	TO-264-3, TO-264AA	ROHS3 Compliant	REACH Unaffected	1 (Unlimited)	Active
IXFK32N80Q3	800 V	32A (Tc)	270mOhm @ 16A, 10V	10V	6.5V @ 4mA	140 nC @ 10 V	±30V	6940 pF @ 25 V	1000W (Tc)	-55°C ~ 150°C (TJ)	Through Hole	TO-264-3, TO-264AA	ROHS3 Compliant	REACH Unaffected	1 (Unlimited)	Active

Engineering Selection Recommendations

Both APT44F80L and IXFK32N80Q3 are listed as active status, ROHS3 compliant, REACH unaffected, and classified as MSL 1 (Unlimited). Both utilize the TO-264-3, TO-264AA package and through hole mounting type, meeting documented requirements for lead-free compliance and moisture sensitivity, consistent with industry standards for these MOSFET product categories.

Frequently Asked Questions (FAQ)

Q: What are the strict criteria for substituting APT44F80L with IXFK32N80Q3?
A: The substitute part must match the drain to source voltage (800 V), mounting type (through hole), package/case (TO-264-3, TO-264AA), operational temperature range, FET type, and compliance standards including RoHS3 and REACH.

Q: Are both parts suitable for through hole assembly with TO-264 package requirements?
A: Yes, both the APT44F80L and IXFK32N80Q3 are specified for through hole mounting and use the TO-264-3, TO-264AA package.

Q: Do compliance standards and part status affect selection?
A: Yes, both parts are ROHS3 compliant, REACH unaffected, MSL 1 (Unlimited), and have active status, fulfilling regulation and lifecycle requirements for this product category.

Q: Should only electrical and mechanical parameters provided be used for substitution?
A: Yes, substitution is strictly based on the provided electrical ratings, mechanical compatibility, and compliance certifications.

Q: Is the substitute MOSFET a direct mechanical fit for existing board layouts using APT44F80L?
A: Both parts share the TO-264-3, TO-264AA package and through hole mounting type. No additional mechanical information is considered beyond what is explicitly provided.

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