Equivalent & Substitute Parts Reference: IXFA8N65X2

Part Overview

The IXFA8N65X2 from IXYS is an N-Channel MOSFET, specified for 650 V maximum drain-source voltage and 8 A continuous drain current (Tc). This part is supplied in a TO-263 (D2PAK) surface mount package and offers a maximum power dissipation of 150W (Ta). The part is RoHS3 compliant, REACH unaffected, and currently listed as active. Identifying alternatives is necessary for design flexibility, supply continuity, and inventory management, particularly when specific package and electrical parameters must be matched.

Key Parameters

Parameter	IXFA8N65X2	Substitute Example (R6012FNJTL)
FET Type	N-Channel	N-Channel
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)	650 V	600 V
Current - Continuous Drain (Id) @ 25°C	8A (Tc)	12A (Tc)
Drive Voltage (Max Rds On, Min Rds On)	10V	10V
Rds On (Max) @ Id, Vgs	450mOhm @ 4A, 10V	510mOhm @ 6A, 10V
Vgs(th) (Max) @ Id	5V @ 250µA	5V @ 1mA
Gate Charge (Qg) (Max) @ Vgs	11 nC @ 10 V	35 nC @ 10 V
Vgs (Max)	±30V	±30V
Input Capacitance (Ciss) (Max) @ Vds	790 pF @ 25 V	1300 pF @ 25 V
Power Dissipation (Max)	150W (Ta)	50W (Tc)
Operating Temperature	-55°C ~ 150°C (TJ)	150°C (TJ)
Mounting Type	Surface Mount	Surface Mount
Supplier Device Package	TO-263 (D2PAK)	LPTS
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99

Substitute Part Grouping Explanation

Substitution is based strictly on the matching of FET type, MOSFET technology, mounting type, package or case, drive voltage, maximum gate voltage, RoHS compliance, MSL, and REACH status. Additional electrical parameters, including drain-source voltage (Vdss), continuous drain current (Id), Rds On resistance, gate charge, and power dissipation, are compared to ensure suitable functionality within the same product category. Only listed specifications are considered for equivalence; mechanical and certification characteristics must meet or exceed requirements specified in the main part.

Parameter Comparison

Parameter	IXFA8N65X2	R6012FNJTL
Manufacturer	IXYS	Rohm Semiconductor
FET Type	N-Channel	N-Channel
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)	650 V	600 V
Current - Continuous Drain (Id) @ 25°C	8A (Tc)	12A (Tc)
Drive Voltage (Max Rds On, Min Rds On)	10V	10V
Rds On (Max)	450mOhm @ 4A, 10V	510mOhm @ 6A, 10V
Vgs(th) (Max) @ Id	5V @ 250µA	5V @ 1mA
Gate Charge (Qg) (Max) @ Vgs	11 nC @ 10 V	35 nC @ 10 V
Vgs (Max)	±30V	±30V
Input Capacitance (Ciss) (Max) @ Vds	790 pF @ 25 V	1300 pF @ 25 V
Power Dissipation (Max)	150W (Ta)	50W (Tc)
Operating Temperature	-55°C ~ 150°C (TJ)	150°C (TJ)
Mounting Type	Surface Mount	Surface Mount
Supplier Device Package	TO-263 (D2PAK)	LPTS
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99

Engineering Selection Recommendations

Substitute parts such as R6012FNJTL are classified as active, RoHS3 compliant, and REACH unaffected, with equivalent moisture sensitivity (MSL 1, Unlimited) and standard ECCN categorization (EAR99). Selection is defined by identical mounting type, package compatibility, compliance certifications, and product status. All substitutes listed meet these criteria precisely.

Frequently Asked Questions (FAQ)

Q1: Which key electrical parameters must be matched when substituting IXFA8N65X2?
A1: Substitute selection requires matching FET type, technology, mounting type, package/case, gate voltage specifications, continuous drain current, drain-source voltage, Rds On, and compliance certifications.

Q2: Are the substitute parts surface mount and compatible with the TO-263 case?
A2: Yes, substitutes are specified as surface mount and utilize TO-263-3, D2PAK (2 Leads + Tab), TO-263AB package cases as listed in the input.

Q3: Is compliance (RoHS or REACH) necessary for substitution?
A3: Yes, all substitutes listed are RoHS3 compliant and REACH unaffected, matching the certification of IXFA8N65X2.

Q4: What is the relevance of moisture sensitivity (MSL) and product status?
A4: Substitutes must have a moisture sensitivity level of 1 (Unlimited) and be classified as active products to ensure supply continuity and compatibility with standard assembly processes.

Q5: How does power dissipation and gate charge impact substitution?
A5: Power dissipation and gate charge values are provided for direct parameter comparison. Selection must ensure maximum ratings are not exceeded in the intended application, based strictly on input specifications.

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