SK52C V7G Equivalent & Substitute Parts

Part Overview

The SK52C V7G is a Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 20 V DC reverse voltage and 5 A average rectified current in a DO-214AB (SMC) surface mount package. This part is discontinued at DiGi Electronics, necessitating identification of equivalent alternatives for ongoing production and repair applications. Substitute parts must maintain identical electrical performance characteristics and package compatibility to ensure direct board-level replacement without design modification.

Substiute Parts

SK52C V7G

Taiwan Semiconductor CorporationIn Stock: 942SK52C V7G Datasheet

Current PartRFQ

SK52C

Taiwan Semiconductor CorporationIn Stock: 12199SK52C Datasheet

DirectRFQ

B520C-13-F

Diodes IncorporatedIn Stock: 32136B520C-13-F Datasheet

Parametric EquivalentRFQ

B520CQ-13-F

Diodes IncorporatedIn Stock: 6459B520CQ-13-F Datasheet

Parametric EquivalentRFQ

SK52L-TP

Micro Commercial CoIn Stock: 3738SK52L-TP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SK52C V7G is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Voltage - DC Reverse (Vr) (Max): 20 V
• Current - Average Rectified (Io): 5 A
• Voltage - Forward (Vf) (Max) @ If: 550 mV @ 5 A
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
• Current - Reverse Leakage @ Vr: 500 µA @ 20 V (or lower)

Mechanical Equivalence Requirements:

• Package / Case: DO-214AB, SMC
• Mounting Type: Surface Mount
• Operating Temperature - Junction: -55°C ~ 150°C

Compliance Requirements:

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts must satisfy all electrical and mechanical parameters. Variations in reverse leakage current below the specified maximum, capacitance values, or packaging format (Tape & Reel versus bulk) do not disqualify a part from substitution provided all primary electrical and mechanical criteria are met.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: SK52C (Direct Manufacturer Equivalent)

The SK52C manufactured by Taiwan Semiconductor Corporation is the direct equivalent to the discontinued SK52C V7G. This part maintains identical electrical specifications, package format, and compliance certifications. The SK52C carries Active product status with 12,100 pieces in stock, ensuring supply continuity. Selection of this part eliminates any substitution risk and preserves original design intent.

Secondary Recommendation: B520C-13-F (Diodes Incorporated)

The B520C-13-F from Diodes Incorporated satisfies all electrical and mechanical equivalence criteria. This part is Active with 32,100 pieces in stock. The primary distinction is packaging format (Tape & Reel versus bulk) and manufacturer. Electrical performance is identical across all critical parameters. This part is suitable for production environments utilizing automated tape-and-reel assembly processes.

Tertiary Recommendation: B520CQ-13-F (Diodes Incorporated, Automotive Grade)

The B520CQ-13-F is an AEC-Q101 qualified automotive-grade variant from Diodes Incorporated. This part meets all electrical and mechanical equivalence requirements and carries Active product status with 6,400 pieces in stock. Selection of this part is appropriate for applications requiring automotive qualification or enhanced reliability assurance. The automotive qualification does not introduce incompatibility with non-automotive applications.

Alternative: SK52L-TP (Micro Commercial Co)

The SK52L-TP from Micro Commercial Co meets all electrical and mechanical equivalence criteria. However, this part carries Not For New Designs product status, indicating manufacturer discontinuation trajectory. Current reverse leakage is specified at 1 mA @ 20 V, which exceeds the 500 µA maximum of the main part but remains within acceptable operating parameters. This part is suitable only for legacy system maintenance or repair where new design qualification is not required. Stock availability is 3,675 pieces.

Frequently Asked Questions (FAQ)

Q: Can the SK52C V7G be directly replaced with SK52C?

A: Yes. The SK52C is the direct manufacturer equivalent with identical electrical specifications, package format, and compliance certifications. No design modification is required.

Q: What is the difference between B520C-13-F and B520CQ-13-F?

A: Both parts are electrically equivalent. The B520CQ-13-F carries AEC-Q101 automotive qualification, making it suitable for automotive applications requiring enhanced reliability documentation. The B520C-13-F is the standard industrial-grade variant. Both are functionally interchangeable in non-automotive applications.

Q: Does packaging format (Tape & Reel versus bulk) affect electrical performance?

A: No. Packaging format affects only supply chain logistics and assembly process compatibility. Electrical performance is identical regardless of packaging format. Tape & Reel packaging is standard for high-volume automated assembly; bulk packaging is typical for lower-volume or manual assembly operations.

Q: Why is SK52L-TP marked as Not For New Designs?

A: This designation indicates the manufacturer has discontinued active development and support for this part. While the part remains functionally equivalent and in stock, it is not recommended for new product designs. Use SK52L-TP only for maintenance or repair of existing systems.

Q: Is the higher reverse leakage current of SK52L-TP (1 mA versus 500 µA) a concern?

A: The reverse leakage specification of 1 mA @ 20 V for SK52L-TP remains within acceptable operating parameters for Schottky rectifier applications. However, the lower leakage of alternative parts (500 µA) provides superior performance margin. For new designs or performance-critical applications, selection of parts with 500 µA leakage is preferred.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant status, ensuring compliance with environmental and hazardous substance restrictions.

Q: Can these parts be used in automotive applications?

A: The B520CQ-13-F carries AEC-Q101 automotive qualification and is explicitly suitable for automotive applications. The B520C-13-F, SK52C, and SK52L-TP are industrial-grade parts without automotive qualification. Use of non-qualified parts in automotive applications requires design review and qualification assessment.

Q: What is the moisture sensitivity level, and does it affect handling?

A: All listed parts carry Moisture Sensitivity Level (MSL) 1 (Unlimited), indicating no moisture sensitivity restrictions. These parts do not require special moisture-controlled storage or handling procedures.