APT84M50L Equivalent & Substitute Parts Reference

Part Overview

The APT84M50L, manufactured by Microchip Technology, is an N-Channel Power MOSFET in a TO-264 package, specified at 500 V Drain to Source Voltage (Vdss), 84A continuous current (Id), and 65mΩ maximum Rds(on). This device is designed for high-power, through-hole applications. It is currently listed as active and RoHS3 compliant. Identifying alternative models is essential for ensuring supply chain flexibility, design maintenance, and mitigating risks related to stock availability.

Key Parameters

Parameter	Value
Manufacturer Part Number	APT84M50L
Category	Transistors, FETs, MOSFETs
FET Type	N-Channel
Technology	MOSFET (Metal Oxide)
V_dss (Drain to Source Voltage)	500 V
I_d (Continuous Drain Current @ 25°C)	84A (Tc)
Drive Voltage (Max Rds On, Min Rds On)	10V
R_ds(on) (Max) @ Id, Vgs	65mΩ @ 42A, 10V
V_gs(th) (Max) @ Id	5V @ 2.5mA
Gate Charge (Qg) (Max) @ Vgs	340 nC @ 10V
V_gs (Max)	±30V
Input Capacitance (Ciss) (Max) @ Vds	13500 pF @ 25V
Power Dissipation (Max)	1135W (Tc)
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-264-3, TO-264AA
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute and equivalent parts are grouped strictly by matching product status, category, FET type, technology, voltage and current ratings, drive and gate specifications, power dissipation, thermal operation, package/case, mounting type, and compliance. All compared MOSFETs are N-Channel, 500 V Vdss devices in through-hole TO-264 packages, with comparable Id, Rds(on), Qg, Vgs(max), and power dissipation ratings.

Parameter Comparison

Parameter	APT84M50L	IXFK78N50P3	IXFK80N50P	FDL100N50F	IXFB100N50Q3	IXFK80N50Q3
Manufacturer	Microchip Technology	IXYS	IXYS	onsemi	IXYS	IXYS
Category	Transistors, FETs, MOSFETs	Transistors, FETs, MOSFETs	Transistors, FETs, MOSFETs	Transistors, FETs, MOSFETs	Transistors, FETs, MOSFETs	Transistors, FETs, MOSFETs
FET Type	N-Channel	N-Channel	N-Channel	N-Channel	N-Channel	N-Channel
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)
V_dss (Drain to Source Voltage)	500 V	500 V	500 V	500 V	500 V	500 V
I_d (Cont. @ 25°C)	84A (Tc)	78A (Tc)	80A (Tc)	100A (Tc)	100A (Tc)	80A (Tc)
Drive Voltage (Max Rds On, Min Rds On)	10V	10V	10V	10V	10V	10V
R_ds(on) (Max)	65mΩ @ 42A, 10V	68mΩ @ 500mA, 10V	65mΩ @ 40A, 10V	55mΩ @ 50A, 10V	49mΩ @ 50A, 10V	65mΩ @ 40A, 10V
V_gs(th) (Max)	5V @ 2.5mA	5V @ 4mA	5V @ 8mA	5V @ 250µA	6.5V @ 8mA	6.5V @ 8mA
Gate Charge (Qg) (Max)	340 nC @ 10V	147 nC @ 10V	197 nC @ 10V	238 nC @ 10V	255 nC @ 10V	200 nC @ 10V
V_gs (Max)	±30V	±30V	±30V	±30V	±30V	±30V
Input Capacitance (Ciss) (Max) @ Vds	13500 pF @ 25V	9900 pF @ 25V	12700 pF @ 25V	12000 pF @ 25V	13800 pF @ 25V	10000 pF @ 25V
Power Dissipation (Max)	1135W (Tc)	1130W (Tc)	1040W (Tc)	2500W (Tc)	1560W (Tc)	1250W (Tc)
Operating Temperature	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	TO-264-3, TO-264AA	TO-264-3, TO-264AA	TO-264-3, TO-264AA	TO-264-3, TO-264AA	TO-264-3, TO-264AA	TO-264-3, TO-264AA
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed alternative N-Channel MOSFETs are active and ROHS3 compliant. Each device offers through-hole mounting with a TO-264-3 or TO-264AA case, and supports international regulatory requirements. For selection in safety- or compliance-critical applications, verify the product status is "Active" and RoHS certification aligns with relevant directives.

Frequently Asked Questions (FAQ)

Q1: What are the primary criteria for selecting a substitute for APT84M50L?
A1: Substitute selection is based on exact or closest matching voltage (Vdss), current (Id), Rds(on), gate parameters, package type, mounting style, and RoHS status.

Q2: Which package types are suitable for substituting APT84M50L?
A2: Only TO-264-3 and TO-264AA through-hole packages, as specified for both APT84M50L and substitute parts.

Q3: Are all substitute parts RoHS compliant and active?
A3: Yes, each listed substitute is ROHS3 Compliant and maintains active product status per provided data.

Q4: Is it required for the mounting type to match between the main part and any substitute?
A4: Yes, mounting type must match exactly as through hole for compatibility.

Q5: How important are electrical parameters such as Rds(on), Id, and Vdss when selecting a substitute?
A5: These are primary selection criteria. Substitute models must present suitable values within the use case limits.

Q6: Are there differences in compliance or certifications between the main and substitute parts?
A6: No differences; all parts listed are ROHS3 compliant and have an "Active" status in the product portfolio.

Q7: Can package variations (TO-264-3 vs TO-264AA) be considered equivalent for mounting?
A7: Only TO-264-3 and TO-264AA are accepted package/case options as per provided parameters for the APT84M50L and substitutes.

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