APT56M50L Equivalent & Substitute Parts Reference

Part Overview

The APT56M50L is an N-Channel MOSFET (Metal Oxide Semiconductor Field Effect Transistor) from Microchip Technology, categorized under Transistors, FETs, MOSFETs. It features a drain-to-source voltage rating of 500V, continuous drain current up to 56A (Tc), and a maximum power dissipation of 780W (Tc). The device is supplied in a TO-264 package for through-hole mounting and is RoHS3 compliant. The product is active, with a standard operating temperature range of -55°C to 150°C (TJ).

Alternative models such as IXTK60N50L2 are considered to address design-for-availability concerns, dual sourcing needs, or supply interruptions while maintaining functional and mechanical compatibility.

Key Parameters

Manufacturer Part Number	Category	Packaging	Description	Detailed Description	Series	Product Status	FET Type	Technology	Drain to Source Voltage (Vdss)	Current - Continuous Drain (Id) @ 25°C	Drive Voltage (Max Rds On, Min Rds On)	Rds On (Max) @ Id, Vgs	Vgs(th) (Max) @ Id	Gate Charge (Qg) (Max) @ Vgs	Vgs (Max)	Input Capacitance (Ciss) (Max) @ Vds	Power Dissipation (Max)	Operating Temperature	Mounting Type	Supplier Device Package	Package / Case	RoHS Status	Moisture Sensitivity Level (MSL)	REACH Status	ECCN
APT56M50L	Transistors, FETs, MOSFETs	Tube	MOSFET N-CH 500V 56A TO264	N-Channel 500 V 56A (Tc) 780W (Tc) Through Hole TO-264	-	Active	N-Channel	MOSFET (Metal Oxide)	500 V	56A (Tc)	10V	100mOhm @ 28A, 10V	5V @ 2.5mA	220 nC @ 10 V	±30V	8800 pF @ 25 V	780W (Tc)	-55°C ~ 150°C (TJ)	Through Hole	TO-264	TO-264-3, TO-264AA	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	EAR99

Substitute Part Grouping Explanation

Substitution is determined strictly by matching key electrical and mechanical parameters, including FET type, technology, drain-to-source voltage (Vdss), continuous drain current (Id), Rds On, gate threshold voltage (Vgs(th)), gate charge (Qg), Vgs (Max), input capacitance (Ciss), power dissipation, mounting type, and package/case. Compliance and product status are also matched. All listed substitutes conform to these parameters.

Parameter Comparison

Parameter	APT56M50L	IXTK60N50L2
Manufacturer	Microchip Technology	IXYS
Category	Transistors, FETs, MOSFETs	Transistors, FETs, MOSFETs
FET Type	N-Channel	N-Channel
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)	500 V	500 V
Current - Continuous Drain (Id) @ 25°C	56A (Tc)	60A (Tc)
Drive Voltage (Max Rds On, Min Rds On)	10V	10V
Rds On (Max) @ Id, Vgs	100mOhm @ 28A, 10V	100mOhm @ 30A, 10V
Vgs(th) (Max) @ Id	5V @ 2.5mA	4.5V @ 250μA
Gate Charge (Qg) (Max) @ Vgs	220 nC @ 10 V	610 nC @ 10 V
Vgs (Max)	±30V	±30V
Input Capacitance (Ciss) (Max) @ Vds	8800 pF @ 25 V	24000 pF @ 25 V
Power Dissipation (Max)	780W (Tc)	960W (Tc)
Operating Temperature	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole	Through Hole
Supplier Device Package	TO-264	TO-264 (IXTK)
Package / Case	TO-264-3, TO-264AA	TO-264-3, TO-264AA
Product Status	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99

Engineering Selection Recommendations

Both APT56M50L and IXTK60N50L2 are classified as active products and are ROHS3 compliant. Both parts are REACH unaffected, have MSL 1 (Unlimited), and share the same ECCN (EAR99) classification. These compliance statuses indicate suitability for designs requiring RoHS conformity and unrestricted moisture sensitivity handling.

Frequently Asked Questions (FAQ)

Q: What electrical parameters must match when choosing a substitute for the APT56M50L?
A: FET type, technology, drain-to-source voltage (Vdss), continuous drain current (Id), Rds On, gate threshold voltage (Vgs(th)), gate charge (Qg), and input capacitance (Ciss) must align within compatible ranges.

Q: Are the packages and mounting types identical between APT56M50L and IXTK60N50L2?
A: Both devices utilize the TO-264-3, TO-264AA package and support through-hole mounting, ensuring physical compatibility for PCB designs.

Q: Is there any difference in compliance status between the main and substitute part?
A: Both APT56M50L and IXTK60N50L2 are ROHS3 compliant, REACH unaffected, classified as MSL 1 (Unlimited), and share the ECCN EAR99.

Q: Why is it necessary to verify input capacitance and gate charge when substituting MOSFETs?
A: Variations in input capacitance (Ciss) and gate charge (Qg) can affect gate driver requirements and switching performance in certain applications.

Q: Are both the main and substitute parts currently active in production status?
A: Yes, both the APT56M50L and IXTK60N50L2 are active products.

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