GeneSiC Semiconductor S6Q Equivalent & Substitute Parts Reference

Part Overview

The GeneSiC Semiconductor S6Q is a general-purpose diode in the diodes, rectifiers category. It features a DC reverse voltage rating of 1200 V and an average rectified forward current of 6A, with standard recovery characteristics. The device is supplied in a chassis, stud mount DO-4 package for robust installation and operation. The product is currently active and in stock. Identifying alternative models is necessary to ensure continuity in applications requiring similar electrical and mechanical characteristics, compliance, and availability.

Key Parameters

Parameter	S6Q
Manufacturer	GeneSiC Semiconductor
Category	Diodes, Rectifiers
Product Status	Active
Technology	Standard
Voltage - DC Reverse (Vr) (Max)	1200 V
Current - Average Rectified (Io)	6A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 6 A
Speed	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	10 µA @ 100 V
Mounting Type	Chassis, Stud Mount
Package / Case	DO-203AA, DO-4, Stud
Operating Temperature - Junction	-65°C ~ 175°C
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts must match the following critical parameters for compatibility: voltage rating, current rating, forward voltage, recovery speed, mounting type, package, and environmental compliance. Only parts meeting or exceeding these electrical and mechanical specifications, while remaining RoHS compliant and with an equivalent MSL rating, are considered suitable substitutes.

Parameter Comparison

Parameter	Main Part: S6Q	Parametric Equivalent: VS-6F120	Similar Substitute: VS-25F120M
Manufacturer	GeneSiC Semiconductor	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Category	Diodes, Rectifiers	Diodes, Rectifiers	Diodes, Rectifiers
Product Status	Active	Active	Active
Technology	Standard	Standard	Standard
Voltage - DC Reverse (Vr) (Max)	1200 V	1200 V	1200 V
Current - Average Rectified (Io)	6A	6A	25A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 6 A	1.1 V @ 19 A	1.3 V @ 78 A
Speed	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)
Mounting Type	Chassis, Stud Mount	Chassis, Stud Mount	Chassis, Stud Mount
Package / Case	DO-203AA, DO-4, Stud	DO-203AA, DO-4, Stud	DO-203AA, DO-4, Stud
Operating Temperature - Junction	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All referenced substitute diodes are active products and feature RoHS compliance and an unlimited Moisture Sensitivity Level rating. Each is supplied in a DO-203AA (DO-4) chassis, stud mount package, ensuring mechanical and environmental compatibility for this category. No differences exist in product status or package that restrict use based on compliance or certifications.

Frequently Asked Questions (FAQ)

Q1: What determines if a diode rectifier can directly substitute for the S6Q?
A1: Substitution requires matching voltage rating, current capability, forward voltage, recovery speed, mounting type, package, and environmental compliance.

Q2: Are the VS-6F120 and VS-25F120M physically compatible with S6Q’s mounting and package?
A2: Both substitutes use the DO-203AA (DO-4), chassis, stud mount configuration, ensuring physical compatibility.

Q3: Is additional qualification required for substitutes based on compliance?
A3: All shown substitutes have RoHS compliance and MSL 1 (Unlimited), meeting environmental and handling requirements for direct replacement.

Q4: Why is the current rating different for VS-25F120M and is it acceptable as a substitute?
A4: The VS-25F120M offers a higher average rectified current and matches all other primary parameters, making it suitable where higher current capacity is tolerated.

Q5: Are there differences in recovery speed or technology between S6Q and its substitutes?
A5: All listed diodes are standard recovery types with >500ns performance and share similar technology classifications according to the provided specifications.

Q6: How should package and mounting type affect substitute selection?
A6: Substitute diodes must conform to the DO-203AA (DO-4) chassis, stud mount to ensure direct physical interchangeability with S6Q.

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