Equivalent & Substitute Parts Reference: APT10021JLL

Part Overview

The APT10021JLL is an active N-Channel MOSFET in the Transistors, FETs, MOSFETs category, offered by Microchip Technology. It features a 1000 V drain-to-source voltage, 37A continuous drain current, and is available in an ISOTOP® chassis mount package. Identifying equivalent and substitute MOSFETs is critical in applications requiring verified parametric compatibility, inventory management, or ensuring continuous supply during production.

Key Parameters

Manufacturer Part Number	Category	Packaging	Drain to Source Voltage (Vdss)	Current - Continuous Drain (Id) @ 25°C	Rds On (Max) @ Id, Vgs	Gate Charge (Qg) (Max) @ Vgs	Power Dissipation (Max)	Operating Temperature	Mounting Type	Supplier Device Package	Package / Case	RoHS Status	Product Status
APT10021JLL	Transistors, FETs, MOSFETs	Tube	1000 V	37A (Tc)	210mOhm @ 18.5A, 10V	395 nC @ 10 V	694W (Tc)	-55°C ~ 150°C (TJ)	Chassis Mount	ISOTOP®	SOT-227-4, miniBLOC	ROHS3 Compliant	Active

Substitute Part Grouping Explanation

Substitute parts are identified strictly by matching the following key parameters: drain-to-source voltage, continuous drain current, Rds On values, gate charge, power dissipation, operating temperature range, mounting type, supplier device package, and RoHS compliance. Only parts with identical or directly matching specifications within these parameters, as provided in the input, qualify as substitutes within the Transistors, FETs, MOSFETs category.

Parameter Comparison

Parameter	APT10021JLL	APT10021JFLL
Manufacturer Part Number	APT10021JLL	APT10021JFLL
Manufacturer	Microchip Technology	Microchip Technology
Category	Transistors, FETs, MOSFETs	Transistors, FETs, MOSFETs
Packaging	Tube	Tube
Drain to Source Voltage (Vdss)	1000 V	1000 V
Current - Continuous Drain (Id) @ 25°C	37A (Tc)	37A (Tc)
Rds On (Max) @ Id, Vgs	210mOhm @ 18.5A, 10V	210mOhm @ 18.5A, 10V
Gate Charge (Qg) (Max) @ Vgs	395 nC @ 10 V	395 nC @ 10 V
Power Dissipation (Max)	694W (Tc)	694W (Tc)
Operating Temperature	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)
Mounting Type	Chassis Mount	Chassis Mount
Supplier Device Package	ISOTOP®	ISOTOP®
Package / Case	SOT-227-4, miniBLOC	SOT-227-4, miniBLOC
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active

Engineering Selection Recommendations

Both APT10021JLL and APT10021JFLL carry an active product status and are ROHS3 compliant. Their identical certifications and compliance profiles support selection for applications requiring uninterrupted supply and environmental conformity within the Transistors, FETs, MOSFETs category.

Frequently Asked Questions (FAQ)

Q1: What determines a substitute part for APT10021JLL?
A substitute is defined strictly by matching the electrical and mechanical parameters: drain-to-source voltage, continuous drain current, Rds On, gate charge, power dissipation, operating temperature range, mounting type, device package, and RoHS status.

Q2: Can APT10021JFLL replace APT10021JLL in all respects?
APT10021JFLL is parametric equivalent, with all key parameters and compliance statuses identical to APT10021JLL.

Q3: Is the package type critical in substitution?
Yes, the ISOTOP® package and SOT-227-4, miniBLOC case are essential criteria for mechanical compatibility.

Q4: Is there any difference in compliance or inventory levels?
Both parts carry ROHS3 compliance and are active. Inventory levels are not a technical criterion for substitution but may affect procurement strategies.

Q5: What product status should be selected for ongoing production?
Active product status is necessary to ensure continued supply and support in the Transistors, FETs, MOSFETs category.

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