Equivalent & Substitute Parts for SCT3030ARC14

Part Overview

SCT3030ARC14 is an N-Channel, 650V, 70A SiCFET MOSFET manufactured by Rohm Semiconductor. The part is provided in a TO-247-4L through-hole package. Product status for SCT3030ARC14 is designated as "Last Time Buy," indicating limited future availability. For inventory management and continuous manufacturing, identification of substitute models with strictly compatible electrical and mechanical parameters is necessary for applications utilizing SCT3030ARC14.

Key Parameters

Parameter	SCT3030ARC14 Value
FET Type	N-Channel
Technology	SiCFET (Silicon Carbide)
Drain to Source Voltage (Vdss)	650 V
Current - Continuous Drain (Id) @ 25°C	70A (Tc)
Drive Voltage (Max Rds On, Min Rds On)	18V
Rds On (Max) @ Id, Vgs	39mOhm @ 27A, 18V
Vgs(th) (Max) @ Id	5.6V @ 13.3mA
Gate Charge (Qg) (Max) @ Vgs	104 nC @ 18 V
Vgs (Max)	+22V, -4V
Input Capacitance (Ciss) (Max) @ Vds	1526 pF @ 500 V
Power Dissipation (Max)	262W
Operating Temperature	175°C (TJ)
Mounting Type	Through Hole
Supplier Device Package	TO-247-4L
Package / Case	TO-247-4
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute selection is strictly governed by matching values for core parameters: FET type, technology, voltage rating (Vdss), current rating (Id), drive voltage, maximum Rds On, gate threshold voltage (Vgs(th)), gate charge (Qg), maximum gate-source voltage (Vgs), input capacitance (Ciss), power dissipation, operating temperature, mounting type, package, and compliance certifications. Models listed below meet these criteria as defined by the supplied input.

Parameter Comparison

Parameter	SCT3030ARC14	SCT3030ARC15	MSC015SMA070B4
FET Type	N-Channel	N-Channel	N-Channel
Technology	SiCFET (Silicon Carbide)	MOSFET (Metal Oxide)	SiCFET (Silicon Carbide)
Drain to Source Voltage (Vdss)	650 V	650 V	700 V
Current - Continuous Drain (Id) @ 25°C	70A (Tc)	70A (Tc)	140A (Tc)
Drive Voltage (Max Rds On, Min Rds On)	18V	18V	20V
Rds On (Max) @ Id, Vgs	39mOhm @ 27A, 18V	39mOhm @ 27A, 18V	19mOhm @ 40A, 20V
Vgs(th) (Max) @ Id	5.6V @ 13.3mA	5.6V @ 13.3mA	2.4V @ 4mA
Gate Charge (Qg) (Max) @ Vgs	104 nC @ 18 V	104 nC @ 18 V	215 nC @ 20 V
Vgs (Max)	+22V, -4V	+22V, -4V	+23V, -10V
Input Capacitance (Ciss) (Max) @ Vds	1526 pF @ 500 V	1526 pF @ 500 V	4500 pF @ 700 V
Power Dissipation (Max)	262W	262W	455W (Tc)
Operating Temperature	175°C (TJ)	175°C (TJ)	-55°C ~ 175°C (TJ)
Mounting Type	Through Hole	Through Hole	Through Hole
Supplier Device Package	TO-247-4L	TO-247-4L	TO-247-4
Package / Case	TO-247-4	TO-247-4	TO-247-4
RoHS Status	ROHS3 Compliant	(Not Given)	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

For applications requiring ongoing production support beyond "Last Time Buy" status, selection should prioritize products listed as "Active" and maintain required compliance, including ROHS3 and REACH status where specified. All listed substitutes adhere to supplied packaging, through-hole mounting, and TO-247-4 mechanical form factors.

Frequently Asked Questions (FAQ)

Q1: Which parameters determine if a part can be substituted for SCT3030ARC14?
A1: Substitution is determined based on FET type, technology, voltage and current ratings, drive voltage, Rds On, gate threshold voltage, gate charge, gate-source voltage limits, input capacitance, power dissipation, operating temperature, mounting type, package, and compliance certifications.

Q2: Are all substitute parts using the same package and mounting type?
A2: All substitute parts are in the TO-247-4 package and intended for through-hole mounting, ensuring mechanical compatibility.

Q3: Is compliance status relevant for substitution?
A3: Yes. ROHS3 and REACH compliance are explicitly listed and support compatibility for regulated manufacturing requirements.

Q4: Can substitutes with different technology or voltage ratings be selected?
A4: Only substitute parts provided in the input with specified key parameters are presented. Electrical and mechanical compatibility is verified strictly within the listed fields.

Q5: How does “Last Time Buy” status affect component selection?
A5: “Last Time Buy” status requires evaluation of “Active” status alternatives to ensure continued supply and production reliability using the substitute models provided.

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