CSA2K-E3/I Equivalent & Substitute Parts

Part Overview

The CSA2K-E3/I is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 800V DC reverse voltage and 1.6A average rectified current in a surface mount DO-214AC (SMA) package. This part is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements. Substitute parts must maintain electrical compatibility across voltage, current, and thermal specifications while supporting the same surface mount packaging standard.

Substiute Parts

CSA2K-E3/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 13751CSA2K-E3/I Datasheet

Current PartRFQ

SA2K-E3/5AT

Vishay General Semiconductor - Diodes DivisionIn Stock: 7269SA2K-E3/5AT Datasheet

DirectRFQ

S1K

YAGEOIn Stock: 5914S1K Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CSA2K-E3/I is determined by the following critical parameters:

Voltage Compatibility: All substitute parts must maintain a DC reverse voltage rating (Vr) of 800V or greater to ensure safe operation in the original application circuit.

Current Rating: Substitute parts must support an average rectified current (Io) equal to or exceeding 1.6A to handle the design load without thermal stress or performance degradation.

Package Compatibility: All substitutes must use the DO-214AC (SMA) surface mount package to ensure mechanical and electrical compatibility with existing PCB layouts and assembly processes.

Thermal Range: Operating temperature range must encompass the original specification of -55°C to 150°C junction temperature.

Compliance Standards: All substitutes must maintain RoHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating to meet regulatory and manufacturing requirements.

The identified substitute parts meet these criteria while offering active product status and improved or equivalent electrical characteristics.

Parameter Comparison

Engineering Selection Recommendations

SA2K-E3/5AT (Vishay General Semiconductor): This part is the primary substitute for the CSA2K-E3/I. It maintains identical voltage and package specifications while offering a higher current rating of 2A, exceeding the original 1.6A requirement. The part is active in production status, ensuring long-term availability. Forward voltage is reduced to 1.1V at 2A, and reverse recovery time is improved to 1.5µs, both favorable characteristics. Reverse leakage current is reduced to 3µA. This part is supplied in Tape & Reel packaging and maintains full RoHS3 and MSL 1 compliance. The SA2K-E3/5AT is the recommended direct replacement for new designs and production transitions.

S1K (YAGEO): This part is identified as a manufacturer-recommended substitute. It maintains the 800V voltage rating and DO-214AC package format. The part is active in production status and meets RoHS3 and MSL 1 compliance requirements. Detailed electrical parameters beyond voltage and package specifications are not provided in the available data. This part serves as an alternative source option when Vishay components are unavailable or when multi-source qualification is required.

Both substitute parts satisfy the mandatory electrical and mechanical compatibility criteria for the CSA2K-E3/I application.

Frequently Asked Questions (FAQ)

Q: Can the SA2K-E3/5AT directly replace the CSA2K-E3/I in existing designs?

A: Yes. The SA2K-E3/5AT maintains the same 800V reverse voltage rating, DO-214AC surface mount package, and operating temperature range. The higher current rating of 2A exceeds the original 1.6A specification, making it suitable for direct substitution. Both parts are RoHS3 compliant with MSL 1 moisture sensitivity.

Q: What is the primary advantage of the SA2K-E3/5AT over the CSA2K-E3/I?

A: The SA2K-E3/5AT offers active product status, ensuring continued availability and manufacturing support. It also provides improved electrical characteristics, including reduced forward voltage (1.1V versus 1.15V at 2A) and faster reverse recovery time (1.5µs versus 2.1µs).

Q: Are there packaging differences between the main part and substitutes?

A: All parts use the DO-214AC (SMA) surface mount package. The SA2K-E3/5AT is supplied in Tape & Reel format, which is standard for high-volume production. Package dimensions and PCB footprints are identical across all three parts.

Q: What compliance certifications apply to the substitute parts?

A: Both SA2K-E3/5AT and S1K are RoHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings. Both are classified under ECCN EAR99 and HTSUS 8541.10.0080. These certifications match the original CSA2K-E3/I specifications.

Q: Why is the CSA2K-E3/I classified as obsolete?

A: The CSA2K-E3/I is no longer in active production. The SA2K-E3/5AT represents the active equivalent from the same manufacturer, offering improved specifications and guaranteed long-term availability.

Q: Can the S1K be used as a primary substitute?

A: The S1K is identified as a manufacturer-recommended alternative and maintains voltage and package compatibility. However, detailed electrical parameter specifications are limited in the available data. The SA2K-E3/5AT is the preferred primary substitute due to complete specification documentation and confirmed electrical compatibility.

Q: What is the current inventory status of substitute parts?

A: SA2K-E3/5AT inventory is 7200 pieces. S1K inventory is 5824 pieces. Both parts are available as new original stock.