SCS120KGC Equivalent & Substitute Parts Reference

Part Overview

The Rohm Semiconductor SCS120KGC is a Silicon Carbide (SiC) Schottky diode, categorized under diodes and rectifiers. It features a DC reverse voltage rating of 1200 V and an average rectified current capability of 20A, with a through hole TO-220AC package. Product status is active, signaling ongoing availability. Identifying alternative models is critical for supply chain robustness or multi-vendor qualification, especially when managing inventory, procurement during shortages, or aligning with standardized part specifications.

Key Parameters

Parameter	Value
Manufacturer Part Number	SCS120KGC
Category	Diodes, Rectifiers
Technology	SiC Schottky
Voltage - DC Reverse (Vr) (Max)	1200 V
Current - Average Rectified (Io)	20A
Voltage - Forward (Vf) (Max) @ If	1.75 V @ 20 A
Reverse Recovery Time (trr)	0 ns
Current - Reverse Leakage @ Vr	400 µA @ 1200 V
Mounting Type	Through Hole
Package / Case	TO-220-2
Operating Temperature - Junction	175°C (Max)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Alternative and substitute parts are selected based strictly on matching fundamental electrical, mechanical, and compliance parameters: SiC Schottky technology, DC reverse voltage rating of 1200 V, through hole mounting with TO-220-2 package, similar operating temperature range, comparable or greater average rectified current, and matching compliance status (RoHS/REACH, ECCN). This approach assures direct interchangeability within the diodes, rectifiers category, ensuring compatibility and performance equivalence.

Key substitution parameters include:

Diode type and technology (SiC Schottky)
Maximum DC reverse voltage (Vr)
Average rectified current (Io)
Voltage forward drop (Vf)
Reverse recovery time (trr)
Reverse leakage current
Package / case and mounting type
Operating temperature range
Compliance and certifications

Parameter Comparison

Manufacturer Part Number	Manufacturer	Technology	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max)	Current - Reverse Leakage @ Vr	Mounting Type	Package / Case	Operating Temperature - Junction	RoHS Status
SCS120KGC	Rohm Semiconductor	SiC Schottky	1200 V	20A	1.75 V @ 20 A	400 µA @ 1200 V	Through Hole	TO-220-2	175°C (Max)	ROHS3 Compliant
C4D20120A	Wolfspeed, Inc.	SiC Schottky	1200 V	54.5A	1.8 V @ 20 A	200 µA @ 1200 V	Through Hole	TO-220-2	-55°C ~ 175°C	ROHS3 Compliant
IDH05G120C5XKSA1	Infineon Technologies	SiC Schottky	1200 V	5A	1.8 V @ 5 A	33 µA @ 1200 V	Through Hole	TO-220-2	-55°C ~ 175°C	ROHS3 Compliant
C4D08120A	Wolfspeed, Inc.	SiC Schottky	1200 V	24.5A	1.8 V @ 7.5 A	250 µA @ 1200 V	Through Hole	TO-220-2	-55°C ~ 175°C	ROHS3 Compliant
C4D10120A	Wolfspeed, Inc.	SiC Schottky	1200 V	33A	1.8 V @ 10 A	250 µA @ 1200 V	Through Hole	TO-220-2	-55°C ~ 175°C	ROHS3 Compliant
C4D15120A	Wolfspeed, Inc.	SiC Schottky	1200 V	43.5A	1.8 V @ 15 A	200 µA @ 1200 V	Through Hole	TO-220-2	-55°C ~ 175°C	RoHS Compliant

Engineering Selection Recommendations

All substitute parts listed are active, RoHS compliant, with similar operating temperature range and packaging (TO-220-2, through hole). Substitute selection can be based on verified product status and regulatory compliance (RoHS3/REACH, ECCN EAR99, HTSUS). Product lifecycle status and compliance match the main part, ensuring compatibility under regulated environments.

Frequently Asked Questions (FAQ)

Q1: What electrical parameters are critical for substituting SCS120KGC in its category?
A1: Substitution requires matching SiC Schottky technology, 1200 V DC reverse voltage, average rectified current capability, similar voltage forward drop, and reverse recovery time.

Q2: Is package compatibility required for direct replacement?
A2: All substitutes utilize TO-220-2 (Through Hole), consistent with SCS120KGC, ensuring mechanical compatibility.

Q3: Are the substitute parts compliant with RoHS and REACH standards?
A3: Each substitute part is RoHS compliant and with REACH unaffected status as specified.

Q4: Is operating temperature range equivalent between substitutions?
A4: Substitute devices support a junction temperature range up to 175°C, aligning with the main part.

Q5: Can parts with higher or lower current ratings be used?
A5: All substitutes match or exceed the SCS120KGC's average rectified current, maintaining category suitability. Lower current substitutes can be used where required by system design parameters.

Q6: Why is reverse recovery time highlighted?
A6: Reverse recovery time is 0 ns across all parts, which ensures consistent performance in high-speed rectification applications within the SiC Schottky diode category.

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