WNSC101200Q Equivalent & Substitute Parts

Part Overview

The WNSC101200Q is a Silicon Carbide (SiC) Schottky diode rated for 1200 V DC reverse voltage and 10 A average rectified current in a TO-220AC through-hole package. This component is classified as obsolete, necessitating identification of equivalent alternatives for ongoing design support and procurement continuity. Substitute parts must maintain electrical performance across voltage, current, and thermal specifications while accommodating packaging and compliance requirements.

Substiute Parts

WNSC101200Q

WeEn SemiconductorsIn Stock: 828WNSC101200Q Datasheet

Current PartRFQ

WNSC2D1012006Q

WeEn SemiconductorsIn Stock: 1168WNSC2D1012006Q Datasheet

MFR RecommendedRFQ

SCS210KGC

Rohm SemiconductorIn Stock: 7445SCS210KGC Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the WNSC101200Q is determined by strict equivalence across the following parameters:

Primary Electrical Criteria:

• Voltage - DC Reverse (Vr) (Max): 1200 V minimum
• Current - Average Rectified (Io): 10 A minimum
• Voltage - Forward (Vf) (Max) @ If: 1.6 V or lower at 10 A
• Reverse Recovery Time (trr): 0 ns (no recovery time requirement)

Physical & Thermal Criteria:

• Package / Case: TO-220-2
• Mounting Type: Through Hole
• Operating Temperature - Junction: 175°C or higher

Technology Requirement:

• SiC (Silicon Carbide) Schottky diode technology

Substitute parts are classified into two categories:

MFR Recommended Substitute: WNSC2D1012006Q (WeEn Semiconductors) — Active product status with improved reverse leakage characteristics and extended operating temperature range.

Parametric Equivalent: SCS210KGC (Rohm Semiconductor) — Obsolete product with identical primary electrical specifications and package configuration.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: WNSC2D1012006Q

The WNSC2D1012006Q is the preferred substitute for the obsolete WNSC101200Q. This part maintains identical electrical specifications across voltage, current, and forward voltage parameters. The WNSC2D1012006Q carries active product status, ensuring long-term availability and supply chain continuity. The part demonstrates improved reverse leakage performance (50 µA versus 110 µA at 1200 V), lower junction capacitance (481 pF versus 510 pF), and an extended operating temperature range (-55°C to 175°C versus 175°C maximum). Both parts originate from the same manufacturer (WeEn Semiconductors), supporting design consistency and qualification simplicity.

Secondary Recommendation: SCS210KGC

The SCS210KGC from Rohm Semiconductor provides parametric equivalence with identical voltage, current, and forward voltage ratings. This part is also classified as obsolete; however, it maintains full electrical compatibility with the WNSC101200Q. The SCS210KGC exhibits higher reverse leakage (200 µA at 1200 V) and slightly elevated junction capacitance (550 pF) compared to the primary part. This substitute is suitable for applications where reverse leakage and capacitance variations are within acceptable design margins. The SCS210KGC carries ROHS3 compliance certification.

Selection Criteria:

For new designs and long-term production, WNSC2D1012006Q is the recommended path due to active product status. For legacy system support or applications with existing SCS210KGC qualification, the Rohm part remains electrically compatible. Both substitutes are packaged in TO-220AC through-hole configuration, requiring no PCB layout modifications.

Frequently Asked Questions (FAQ)

Q: Can WNSC2D1012006Q directly replace WNSC101200Q without circuit modification?

A: Yes. The WNSC2D1012006Q maintains identical electrical specifications for voltage (1200 V), current (10 A), and forward voltage (1.6 V @ 10 A). Both parts use TO-220AC through-hole packaging with identical pinout. No circuit modifications are required.

Q: What is the significance of the improved reverse leakage in WNSC2D1012006Q?

A: The WNSC2D1012006Q exhibits 50 µA reverse leakage at 1200 V compared to 110 µA in the original WNSC101200Q. Lower reverse leakage reduces standby power dissipation and improves efficiency in high-voltage applications. This represents a performance enhancement rather than a compatibility concern.

Q: Is SCS210KGC suitable for applications requiring low reverse leakage?

A: The SCS210KGC exhibits 200 µA reverse leakage at 1200 V, which is higher than both the WNSC101200Q (110 µA) and WNSC2D1012006Q (50 µA). Applications with strict reverse leakage requirements should prioritize WNSC2D1012006Q. SCS210KGC is suitable for applications where reverse leakage specifications permit values up to 200 µA.

Q: Are there packaging differences between these three parts?

A: All three parts use identical TO-220-2 through-hole packaging (TO-220AC supplier designation). No PCB layout or thermal management modifications are required when substituting between these parts.

Q: Why is WNSC101200Q classified as obsolete?

A: Product obsolescence reflects manufacturer discontinuation decisions. WNSC2D1012006Q represents the active successor from the same manufacturer, offering equivalent or improved performance characteristics.

Q: What compliance certifications apply to each part?

A: WNSC101200Q carries RoHS Compliance certification. WNSC2D1012006Q compliance status is not specified in available data. SCS210KGC carries ROHS3 Compliance certification. Compliance requirements should be verified against specific application standards before final part selection.

Q: Can these parts be used interchangeably in existing designs?

A: Yes, provided the design specifications accommodate the parameter variations listed in the comparison table. The primary electrical parameters (voltage, current, forward voltage) are identical across all three parts. Reverse leakage and capacitance variations should be evaluated against circuit requirements.