STW70N65DM6 Equivalent & Substitute Parts Reference

Part Overview

The STW70N65DM6 from STMicroelectronics is an N-Channel power MOSFET designed for high-voltage, high-current switching applications. It supports up to 650 V and 68 A continuous drain current in a TO-247-3 through-hole package. The product is active, with RoHS3 compliance and unlimited moisture sensitivity level. Finding substitute models is necessary for design flexibility, inventory management, and to ensure continuous production availability.

Key Parameters

Manufacturer Part Number	Manufacturer	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
STW70N65DM6	STMicroelectronics	Transistors, FETs, MOSFETs	Tube	MOSFET N-CH 650V 68A TO247	N-Channel 650 V 68A (Tc) 450W (Tc) Through Hole TO-247-3	MDmesh™ DM6	Active	N-Channel	MOSFET (Metal Oxide)	650 V	68A (Tc)	10V	40mOhm @ 34A, 10V	4.75V @ 250µA	125 nC @ 10 V	±25V	4900 pF @ 100 V	450W (Tc)	-55°C ~ 150°C (TJ)	Through Hole	TO-247-3	TO-247-3	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts for the STW70N65DM6 are identified strictly based on identical electrical and mechanical parameters such as drain to source voltage, continuous drain current, Rds On, gate charge, gate threshold voltage, input capacitance, power dissipation, mounting type, and compliance certifications. Only models with matching or identical performance specifications and packaging formats are included in this substitute list.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Category	Packaging	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
STW70N65DM6	STMicroelectronics	Transistors, FETs, MOSFETs	Tube	MOSFET N-CH 650V 68A TO247	MDmesh™ DM6	Active	N-Channel	MOSFET (Metal Oxide)	650 V	68A (Tc)	10V	40mOhm @ 34A, 10V	4.75V @ 250µA	125 nC @ 10 V	±25V	4900 pF @ 100 V	450W (Tc)	-55°C ~ 150°C (TJ)	Through Hole	TO-247-3	TO-247-3	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected
STWA70N65DM6	STMicroelectronics	Transistors, FETs, MOSFETs	Tube	MOSFET N-CH 650V 68A TO247	MDmesh™ DM6	Active	N-Channel	MOSFET (Metal Oxide)	650 V	68A (Tc)	10V	40mOhm @ 34A, 10V	4.75V @ 250µA	125 nC @ 10 V	±25V	4900 pF @ 100 V	450W (Tc)	-55°C ~ 150°C (TJ)	Through Hole	TO-247 Long Leads	TO-247-3	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected

Engineering Selection Recommendations

Both the STW70N65DM6 and STWA70N65DM6 MOSFETs from STMicroelectronics are active products with ROHS3 compliance and unlimited moisture sensitivity levels. Both models align with REACH requirements. Product selection based on compliance and certifications is valid for applications requiring environmental and regulatory adherence.

Frequently Asked Questions (FAQ)

Q1: What are the key criteria for substituting the STW70N65DM6 with another MOSFET model?
A1: Key criteria include equivalent drain to source voltage, continuous drain current, Rds On at specified conditions, gate charge, gate threshold voltage, input capacitance, power dissipation, mounting type, and identical regulatory compliance.

Q2: Can I substitute STW70N65DM6 with STWA70N65DM6 without design changes?
A2: Substitution is based on identical electrical and mechanical parameters. Both parts share the same performance criteria and form factor, differing only in lead length specification within the TO-247-3 package.

Q3: Are there compliance differences between these substitute models?
A3: Both STW70N65DM6 and STWA70N65DM6 are ROHS3 compliant, have unlimited moisture sensitivity levels, and are REACH unaffected.

Q4: What does the “TO-247 Long Leads” versus “TO-247-3” difference mean for mounting?
A4: Both denote a TO-247-3 package; "Long Leads" indicates a variation in lead length, which may affect physical fit but not the electrical footprint if the board is designed accordingly.

Q5: How is product status relevant in substitute selection?
A5: Product status should be “Active” to ensure availability for ongoing production and design continuity.

Q6: Can substitute parts be used interchangeably in all applications?
A6: Substitution is valid where all key parameters match and the mechanical package specification aligns with the application requirements.

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