Equivalent & Substitute Parts Reference: SCT3080ARC14

Part Overview

The Rohm Semiconductor SCT3080ARC14 is a N-Channel SiCFET (Silicon Carbide FET) rated at 650V and 30A, housed in a TO-247-4L through-hole package. The device offers a 104mOhm Rds On, 175°C maximum junction temperature, 134W power dissipation, and is compliant with ROHS3 and REACH. This part is designated as "Last Time Buy" in inventory status, indicating limited future availability and necessitating identification of alternative models for continued manufacturing support or design maintenance.

Key Parameters

Parameter	SCT3080ARC14
FET Type	N-Channel
Technology	SiCFET (Silicon Carbide)
Drain to Source Voltage (Vdss)	650 V
Current - Continuous Drain (Id) @ 25°C	30A (Tc)
Drive Voltage (Max Rds On, Min Rds On)	18V
Rds On (Max) @ Id, Vgs	104mOhm @ 10A, 18V
Vgs(th) (Max) @ Id	5.6V @ 5mA
Gate Charge (Qg) (Max) @ Vgs	48 nC @ 18 V
Vgs (Max)	+22V, -4V
Input Capacitance (Ciss) (Max) @ Vds	571 pF @ 500 V
Power Dissipation (Max)	134W
Operating Temperature	175°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-247-4
Supplier Device Package	TO-247-4L
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Part Status	Last Time Buy

Substitute Part Grouping Explanation

Substitution in the Transistors, FETs, MOSFETs category is based strictly on electrical, mechanical, and compliance parameters. Key criteria include identical FET type, equivalent technology, matching voltage and current ratings, consistent Rds On and gate characteristics, identical package and mounting type, and equivalent compliance and certification status. Substitute parts must match all listed parameters to ensure functional equivalence and form-fit compatibility.

Parameter Comparison

Parameter	SCT3080ARC14 (Main)	SCT3080ARC15 (Substitute)
Manufacturer	Rohm Semiconductor	Rohm Semiconductor
Category	Transistors, FETs, MOSFETs	Transistors, FETs, MOSFETs
FET Type	N-Channel	N-Channel
Technology	SiCFET (Silicon Carbide)	SiC (Silicon Carbide Junction Transistor)
Drain to Source Voltage (Vdss)	650 V	650 V
Current - Continuous Drain (Id) @ 25°C	30A (Tc)	30A (Tj)
Drive Voltage (Max Rds On, Min Rds On)	18V	18V
Rds On (Max) @ Id, Vgs	104mOhm @ 10A, 18V	104mOhm @ 10A, 18V
Vgs(th) (Max) @ Id	5.6V @ 5mA	5.6V @ 5mA
Gate Charge (Qg) (Max) @ Vgs	48 nC @ 18 V	48 nC @ 18 V
Vgs (Max)	+22V, -4V	+22V, -4V
Input Capacitance (Ciss) (Max) @ Vds	571 pF @ 500 V	571 pF @ 500 V
Power Dissipation (Max)	134W	134W
Operating Temperature	175°C (TJ)	175°C (TJ)
Mounting Type	Through Hole	Through Hole
Supplier Device Package	TO-247-4L	TO-247-4L
Package / Case	TO-247-4	TO-247-4
RoHS Status	ROHS3 Compliant	Not Specified
REACH Status	REACH Unaffected	REACH Unaffected
Moisture Sensitivity Level (MSL)	1 (Unlimited)	3 (168 Hours)
Part Status	Last Time Buy	Active

Engineering Selection Recommendations

SCT3080ARC14 is listed as "Last Time Buy," indicating pending discontinuation. SCT3080ARC15 is available and has "Active" product status. Both parts meet strict matching criteria for electrical parameters, mounting type, and package/case. RoHS compliance for SCT3080ARC15 is not specified in the provided details; users should review this field for particular environmental requirements. Moisture Sensitivity Level (MSL) is 1 (Unlimited) for SCT3080ARC14 and 3 (168 Hours) for SCT3080ARC15; select according to reflow and handling requirements in the application environment. REACH status is unaffected for both models. ECCN and HTSUS codes are matched.

Frequently Asked Questions (FAQ)

Q1: What determines the suitability of substitute MOSFETs in this category?
A1: Suitability is determined strictly by matching FET type, technology, voltage/current ratings, Rds On, gate parameters, package/case, mounting type, and compliance status.

Q2: Are SCT3080ARC14 and SCT3080ARC15 compatible in terms of footprint and mounting?
A2: Both parts use the TO-247-4 through-hole package and have identical mounting type, ensuring direct physical compatibility.

Q3: Does the Moisture Sensitivity Level (MSL) difference impact component selection?
A3: SCT3080ARC14 has MSL 1 (Unlimited), while SCT3080ARC15 is rated MSL 3 (168 Hours). Choose according to handling and soldering process requirements.

Q4: Must RoHS or REACH status be reviewed before substitution?
A4: Yes. Both parts have REACH unaffected status. SCT3080ARC14 is ROHS3 compliant; RoHS status for SCT3080ARC15 should be checked against application regulatory requirements.

Q5: Are there differences in electrical performance that affect substitution?
A5: All key electrical parameters such as Vdss, Id, Rds On, gate drive, and capacitance are matched exactly as specified.

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