SCS312AHGC9 Equivalent & Substitute Parts Reference

Part Overview

The SCS312AHGC9 from Rohm Semiconductor is an active, through-hole Silicon Carbide (SiC) Schottky diode in the Diodes, Rectifiers category, supplied in a TO-220ACP package. It features a DC reverse voltage (Vr) rating of 650 V, an average rectified current (Io) of 12A, zero ns reverse recovery time, and a maximum junction temperature of 175°C. Sourcing alternative models is necessary in engineering scenarios such as optimizing inventory, ensuring second-source procurement, or satisfying compliance requirements, while maintaining strict adherence to functional and mechanical parameters.

Key Parameters

Parameter	SCS312AHGC9
Technology	SiC (Silicon Carbide) Schottky
Voltage - DC Reverse (Vr) (Max)	650 V
Current - Average Rectified (Io)	12A
Speed	No Recovery Time > 500mA (Io)
Reverse Recovery Time (trr)	0 ns
Current - Reverse Leakage @ Vr	60 µA @ 650 V
Capacitance @ Vr, F	600pF @ 1V, 1MHz
Mounting Type	Through Hole
Package / Case	TO-220-2
Supplier Device Package	TO-220ACP
Operating Temperature - Junction	175°C (Max)
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitution logic is strictly based on alignment of the following key parameters: technology (SiC Schottky), voltage rating (650 V DC reverse max), average rectified current (≥12A), speed (No Recovery Time), reverse recovery time (0 ns), mounting style (through-hole), package/case (TO-220-2, TO-220ACP, TO-220-2L), maximum junction temperature (up to 175°C), RoHS3 compliance, and REACH unaffected status. Only parts matching or exceeding these criteria in the Diodes, Rectifiers category are considered direct or similar substitutes.

Parameter Comparison

Parameter	SCS312AHGC9 (Rohm Semiconductor)	FFSP1265A (onsemi)	UJ3D06512TS (Qorvo)
Technology	SiC Schottky	SiC Schottky	SiC Schottky
Voltage - DC Reverse (Vr) (Max)	650 V	650 V	650 V
Current - Average Rectified (Io)	12A	15A	12A
Speed	No Recovery Time > 500mA (Io)	No Recovery Time > 500mA (Io)	No Recovery Time > 500mA (Io)
Reverse Recovery Time (trr)	0 ns	0 ns	0 ns
Current - Reverse Leakage @ Vr	60 µA @ 650 V	200 µA @ 650 V	80 µA @ 650 V
Capacitance @ Vr, F	600pF @ 1V, 1MHz	665pF @ 1V, 100kHz	392pF @ 1V, 1MHz
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	TO-220-2	TO-220-2	TO-220-2
Supplier Device Package	TO-220ACP	TO-220-2L	TO-220-2
Operating Temperature - Junction	175°C (Max)	-55°C ~ 175°C	-55°C ~ 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active

Engineering Selection Recommendations

All listed models (SCS312AHGC9, FFSP1265A, UJ3D06512TS) are designated as Active and are ROHS3 Compliant and REACH Unaffected, meeting specified compliance requirements and certifications. Substitute selection must rely strictly on these documented statuses. All supplied inventory indicates new original parts in stock in tube packaging.

Frequently Asked Questions (FAQ)

Q: What determines if FFSP1265A or UJ3D06512TS can directly substitute SCS312AHGC9?
A: Substitution is permitted when technology, DC reverse voltage, average rectified current, recovery speed, mounting type, package/case, operating temperature, RoHS compliance, and REACH status are within the documented specifications.

Q: Are there package/case differences to consider?
A: SCS312AHGC9 utilizes TO-220ACP. FFSP1265A is supplied in TO-220-2L, and UJ3D06512TS is in TO-220-2. Substitute selection should ensure mechanical compatibility with the specified mounting and package/case type as documented.

Q: Do all alternatives provide matching electrical specifications?
A: All listed substitutes match or exceed critical parameters: SiC Schottky technology, 650 V DC reverse voltage, and ≥12A average rectified current. Review Current - Reverse Leakage and Capacitance if application-specific criteria require precise matching within stated values.

Q: Are all substitutes compliant with RoHS3 and REACH?
A: Yes, all parts are specified as ROHS3 Compliant and REACH Unaffected in the provided documentation.

Q: Is product status uniform for all candidate substitutes?
A: All referenced part numbers have Product Status: Active. This ensures eligibility for production and procurement based on lifecycle status.

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