APT50M75B2FLLG Equivalent & Substitute Parts Reference

Part Overview

The APT50M75B2FLLG from Microchip Technology is an N-Channel 500V 57A (Tc) power MOSFET in a through hole T-MAX™ [B2] (TO-247-3 Variant) package. Active product status and ROHS3/REACH compliance ensure current production availability. Seeking alternative models may be necessary for supply continuity, design flexibility, or mechanical footprint adaptations within the Transistors, FETs, MOSFETs product category.

Key Parameters

Manufacturer Part Number	Manufacturer	Category	Drain to Source Voltage (Vdss)	Current - Continuous Drain (Id) @ 25°C	Rds On (Max) @ Id, Vgs	Vgs(th) (Max) @ Id	Gate Charge (Qg) (Max) @ Vgs	Input Capacitance (Ciss) (Max) @ Vds	Mounting Type	Supplier Device Package	Package / Case	RoHS Status	REACH Status	Product Status	Moisture Sensitivity Level (MSL)
APT50M75B2FLLG	Microchip Technology	Transistors, FETs, MOSFETs	500 V	57A (Tc)	75mOhm @ 28.5A, 10V	5V @ 2.5mA	125 nC @ 10 V	5590 pF @ 25 V	Through Hole	T-MAX™ [B2]	TO-247-3 Variant	ROHS3 Compliant	REACH Unaffected	Active	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are grouped strictly by matching the key electrical and mechanical parameters: Drain to Source Voltage (Vdss), Current - Continuous Drain (Id), Rds On (Max) @ Id, Vgs, Vgs(th) (Max) @ Id, Gate Charge (Qg), Input Capacitance (Ciss), mounting type, package, and relevant compliance (ROHS3, REACH). Only N-Channel MOSFETs with through-hole TO-247 package variants, active status, and ROHS3/REACH compliance are included. All parameters listed above establish direct interchangeability criteria.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Drain to Source Voltage (Vdss)	Current - Continuous Drain (Id) @ 25°C	Rds On (Max) @ Id, Vgs	Vgs(th) (Max) @ Id	Gate Charge (Qg) (Max) @ Vgs	Input Capacitance (Ciss) (Max) @ Vds	Mounting Type	Package / Case	RoHS Status	REACH Status	Product Status	Moisture Sensitivity Level (MSL)
APT50M75B2FLLG	Microchip Technology	500 V	57A (Tc)	75mOhm @ 28.5A, 10V	5V @ 2.5mA	125 nC @ 10 V	5590 pF @ 25 V	Through Hole	TO-247-3 Variant	ROHS3 Compliant	REACH Unaffected	Active	1 (Unlimited)
IXFR64N50Q3	IXYS	500 V	45A (Tc)	95mOhm @ 32A, 10V	6.5V @ 4mA	145 nC @ 10 V	6950 pF @ 25 V	Through Hole	TO-247-3	ROHS3 Compliant	REACH Unaffected	Active	1 (Unlimited)
IXFR80N50Q3	IXYS	500 V	50A (Tc)	72mOhm @ 40A, 10V	6.5V @ 8mA	200 nC @ 10 V	10000 pF @ 25 V	Through Hole	TO-247-3	ROHS3 Compliant	REACH Unaffected	Active	1 (Unlimited)
IXFX64N50Q3	IXYS	500 V	64A (Tc)	85mOhm @ 32A, 10V	6.5V @ 4mA	145 nC @ 10 V	6950 pF @ 25 V	Through Hole	TO-247-3 Variant	ROHS3 Compliant	REACH Unaffected	Active	1 (Unlimited)
IXFX78N50P3	IXYS	500 V	78A (Tc)	68mOhm @ 500mA, 10V	5V @ 4mA	147 nC @ 10 V	9900 pF @ 25 V	Through Hole	TO-247-3 Variant	ROHS3 Compliant	REACH Unaffected	Active	1 (Unlimited)

Engineering Selection Recommendations

All listed substitute parts for APT50M75B2FLLG have active product status and the same compliance criteria: ROHS3 Compliant, REACH Unaffected, and MSL 1 (Unlimited). These substitutes conform to standardized environmental and handling requirements within the Transistors, FETs, MOSFETs category and employ comparable through-hole TO-247 package variants.

Frequently Asked Questions (FAQ)

Q1: What parameters must match when substituting an APT50M75B2FLLG MOSFET?
A1: Substitution is determined strictly by core parameters including Drain to Source Voltage (Vdss), Current - Continuous Drain (Id), Rds On (Max) at specified Id and Vgs, Vgs(th) (Max) @ Id, Gate Charge (Qg), Input Capacitance (Ciss), mounting type, package/case, RoHS and REACH status, product status, and moisture sensitivity level.

Q2: Are package/case variations acceptable for direct substitution?
A2: Only packages and cases matching TO-247-3 or compatible variants with through-hole mounting are included. Mechanical compatibility must be verified strictly by supplied package/case designations.

Q3: Do all substitutes have the same compliance requirements?
A3: Yes, every listed substitute is ROHS3 Compliant, REACH Unaffected, and rated at MSL 1 (Unlimited).

Q4: Is product status important for part substitution?
A4: Only active status parts are presented, ensuring viability for ongoing production and stocking requirements.

Q5: Why are input capacitance and gate charge included in evaluation?
A5: These parameters affect switching performance and compatibility, so they are strictly matched based on supplied specifications.

Q6: Can substitutes with higher or lower current ratings be used?
A6: Only parts with comparable or greater Drain to Source Voltage (Vdss) and current handling are considered for substitution, as listed in supplied data.

Q7: What distinguishes these substitutes mechanically and electrically?
A7: Substitutes are grouped by matching electrical ratings and compatible through-hole mounting in TO-247-3 family variants, confirmed by explicitly supplied package details.

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