WNSC021200Q Silicon Carbide Schottky Diode Equivalent & Substitute Parts

Part Overview

The WNSC021200Q is a silicon carbide Schottky diode rated for 1200 V DC reverse voltage with 2 A average rectified current in a through-hole TO-220AC package. This component is classified as obsolete, necessitating identification of active equivalent parts for continued system support and new design implementations. The diode features zero reverse recovery time characteristic of SiC Schottky technology, making it suitable for high-frequency switching applications requiring minimal switching losses.

Substiute Parts

WNSC021200Q

WeEn SemiconductorsIn Stock: 858WNSC021200Q Datasheet

Current PartRFQ

WNSC2D0212006Q

WeEn SemiconductorsIn Stock: 1203WNSC2D0212006Q Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the WNSC021200Q is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• Voltage - DC Reverse (Vr) (Max): 1200 V
• Current - Average Rectified (Io): 2 A
• Voltage - Forward (Vf) (Max) @ If: 1.6 V @ 2 A
• Technology: SiC (Silicon Carbide) Schottky
• Reverse Recovery Time (trr): 0 ns

Mechanical Equivalence Criteria:

• Package / Case: TO-220-2
• Mounting Type: Through Hole
• Supplier Device Package: TO-220AC

The substitute part WNSC2D0212006Q meets all electrical and mechanical equivalence requirements. This part maintains identical voltage and current ratings, forward voltage characteristics, and package configuration, enabling direct functional replacement in existing circuit designs.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: WNSC2D0212006Q

The WNSC2D0212006Q is the manufacturer-recommended substitute for the obsolete WNSC021200Q. This part is classified as Active product status, ensuring continued availability and manufacturing support. Both components share identical electrical ratings (1200 V, 2 A, 1.6 V forward voltage) and mechanical packaging (TO-220AC through-hole configuration), enabling direct replacement without circuit modification.

The substitute part demonstrates improved performance characteristics in secondary parameters: reverse leakage current is reduced from 20 µA to 10 µA at 1200 V, and junction capacitance is reduced from 109 pF to 95 pF at 1 V, 1 MHz. These improvements result from manufacturing process enhancements while maintaining full electrical equivalence.

Both parts carry identical export classification (EAR99) and tariff codes (8541.10.0080), confirming regulatory equivalence for procurement and logistics purposes.

Frequently Asked Questions (FAQ)

Q: Can WNSC2D0212006Q be used as a direct replacement for WNSC021200Q in existing designs?

A: Yes. The substitute part maintains identical voltage rating (1200 V), current rating (2 A), forward voltage (1.6 V @ 2 A), and package configuration (TO-220AC). No circuit modifications are required for functional replacement.

Q: What is the significance of the reduced reverse leakage current in the substitute part?

A: The WNSC2D0212006Q exhibits 10 µA reverse leakage at 1200 V compared to 20 µA in the WNSC021200Q. This represents improved device performance and lower standby power dissipation, with no negative impact on circuit compatibility.

Q: Are there differences in thermal performance between these parts?

A: Both parts specify identical maximum junction operating temperature of 175°C. The WNSC2D0212006Q provides an extended operating temperature range of -55°C to 175°C compared to the WNSC021200Q specification of 175°C maximum. This extended range does not affect compatibility in applications operating within the original part's temperature limits.

Q: Why is the WNSC021200Q classified as obsolete?

A: The WNSC021200Q is no longer in active production. The WNSC2D0212006Q represents the current active product line from WeEn Semiconductors for this voltage and current class, incorporating manufacturing improvements while maintaining full electrical equivalence.

Q: Are the TO-220AC packages physically identical?

A: Yes. Both parts use the TO-220-2 package configuration with through-hole mounting. PCB footprints and thermal management approaches remain unchanged between the main part and substitute.

Q: What is the reverse recovery time specification for both parts?

A: Both the WNSC021200Q and WNSC2D0212006Q specify 0 ns reverse recovery time, characteristic of silicon carbide Schottky diode technology. This zero recovery time eliminates switching losses associated with conventional silicon diodes.