CS241250 Equivalent & Substitute Parts

Part Overview

The CS241250 is a general-purpose diode rated for 1200 V DC reverse voltage with 50 A average rectified current, packaged in a POW-R-BLOK™ Module chassis mount configuration. This component is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and new design implementations. The standard recovery speed (>500 ns) and 800 ns reverse recovery time characterize its performance profile for general rectification applications.

Substiute Parts

CS241250

Powerex Inc.In Stock: 1153CS241250 Datasheet

Current PartRFQ

MEO450-12DA

IXYSIn Stock: 900317MEO450-12DA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the CS241250 is determined by the following critical parameters:

Voltage Rating Compatibility: The substitute part must maintain the 1200 V DC reverse voltage rating to ensure equivalent electrical stress handling and system safety margins.

Current Capacity: The substitute must support at least 50 A average rectified current. Higher current ratings are acceptable as they provide design margin without compromising performance in the original application.

Mounting Configuration: Both the main part and substitute must be chassis mount types to ensure mechanical compatibility with existing PCB layouts and thermal management systems.

Recovery Characteristics: The substitute may operate with equal or faster recovery speed (≤500 ns is acceptable for standard recovery >500 ns applications) without introducing switching noise incompatibilities.

Reverse Leakage: The substitute's reverse leakage current must not exceed levels that would compromise system performance or thermal management in the target application.

The MEO450-12DA from IXYS meets all substitution criteria while offering active product status and improved compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The CS241250 is classified as obsolete, creating supply chain risk for new procurements and long-term system support. The MEO450-12DA maintains active product status with IXYS, ensuring continued availability and manufacturing support.

Compliance and Certification: The MEO450-12DA is ROHS3 compliant, meeting current environmental and regulatory requirements. The CS241250 is RoHS non-compliant, which may present procurement restrictions in regulated markets. Both parts are REACH Unaffected and classified under ECCN EAR99.

Electrical Performance: The MEO450-12DA provides equivalent voltage rating and exceeds current capacity requirements. The faster reverse recovery time (500 ns versus 800 ns) represents an improvement in switching performance. Higher forward voltage drop and reverse leakage current in the MEO450-12DA must be evaluated within the specific application thermal and electrical budget.

Mechanical Integration: Package form factor differs between the POW-R-BLOK™ Module and Y4-M6 configurations. Physical layout verification is required to confirm mechanical fit within existing chassis mount installations.

Frequently Asked Questions (FAQ)

Q: Can the MEO450-12DA directly replace the CS241250 in all applications?

A: Electrical substitution is valid based on voltage rating, current capacity, and mounting type equivalence. Mechanical integration requires verification due to different package form factors (POW-R-BLOK™ Module versus Y4-M6). Thermal management and forward voltage drop characteristics must be evaluated within the specific application context.

Q: What is the significance of the higher reverse leakage current in the MEO450-12DA?

A: The MEO450-12DA exhibits 24 mA reverse leakage at 1200 V compared to 10 mA at 600 V for the CS241250. This difference must be assessed against application requirements for leakage-sensitive circuits. Higher leakage increases standby power dissipation and may affect precision analog circuits.

Q: Does the faster recovery time of the MEO450-12DA present any compatibility concerns?

A: The MEO450-12DA recovery time of 500 ns is faster than the CS241250 at 800 ns. Faster recovery reduces switching losses and improves efficiency. No compatibility issues arise from faster recovery in standard rectification applications; however, circuit design margins for switching transients should be verified.

Q: Are there packaging considerations for chassis mount installation?

A: Both parts are chassis mount configurations, ensuring thermal path equivalence. The POW-R-BLOK™ Module and Y4-M6 packages have different physical dimensions and mounting hole patterns. Mechanical drawings must be compared to confirm fit within existing mounting structures.

Q: What compliance advantages does the MEO450-12DA offer?

A: The MEO450-12DA is ROHS3 compliant, meeting current environmental directives. The CS241250 is RoHS non-compliant, which may restrict procurement in regulated industries and markets with mandatory RoHS requirements. Both parts maintain REACH Unaffected status.

Q: Is the higher forward voltage drop of the MEO450-12DA a concern?

A: The MEO450-12DA forward voltage is 1.96 V at 520 A versus 1.5 V at 50 A for the CS241250. Direct comparison at identical current levels is not available from provided specifications. Higher forward voltage increases power dissipation; thermal design verification is required for applications with tight thermal budgets.