MCC250-12IO1 Equivalent & Substitute Parts

Part Overview

The MCC250-12IO1 is an SCR thyristor module manufactured by IXYS, rated for 1.2 kV off-state voltage with dual SCRs in series connection configuration. This module is designed for chassis mount applications requiring high current handling in the 450 A RMS range. The part is currently classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.

Substiute Parts

MCC250-12IO1

IXYSIn Stock: 1010MCC250-12IO1 Datasheet

Current PartRFQ

MCC310-12IO1

IXYSIn Stock: 3667MCC310-12IO1 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MCC250-12IO1 is based on the following critical electrical and mechanical parameters:

• Voltage Rating (Off State): 1.2 kV minimum requirement
• Current Capacity (It RMS): Minimum 450 A to maintain system performance
• Gate Trigger Characteristics: Vgt ≤ 2 V and Igt ≤ 150 mA for control circuit compatibility
• Structure: Series connection configuration with dual SCRs
• Mounting Configuration: Chassis mount capability
• Operating Temperature Range: -40°C to 140°C (TJ)

The MCC310-12IO1 qualifies as a direct substitute based on matching or exceeding all critical parameters while maintaining identical voltage ratings, gate trigger specifications, and thermal operating range.

Parameter Comparison

Engineering Selection Recommendations

The MCC310-12IO1 is the qualified substitute for the obsolete MCC250-12IO1. Selection is based on the following engineering criteria:

Electrical Compatibility: The MCC310-12IO1 maintains identical voltage ratings (1.2 kV off-state) and gate trigger specifications (2 V maximum, 150 mA maximum), ensuring direct control circuit compatibility. Current ratings are equal or superior across all measurement conditions (average, RMS, and surge), providing enhanced performance margin without requiring circuit redesign.

Mechanical Compatibility: Both modules feature identical chassis mount configuration and dual SCR series connection structure, supporting direct mechanical integration into existing mounting assemblies.

Product Status: The MCC310-12IO1 is classified as active with ROHS3 compliance and REACH unaffected status, providing long-term supply availability and regulatory compliance assurance compared to the obsolete MCC250-12IO1.

Thermal Performance: Operating temperature range remains -40°C to 140°C (TJ), maintaining thermal design compatibility with existing thermal management systems.

Frequently Asked Questions (FAQ)

Q: Can the MCC310-12IO1 directly replace the MCC250-12IO1 in existing designs?

A: Yes. The MCC310-12IO1 meets or exceeds all critical electrical parameters (voltage, current, gate trigger characteristics) and maintains identical mechanical mounting and thermal specifications. No circuit modifications are required.

Q: What are the key differences between these two modules?

A: The MCC310-12IO1 provides higher current capacity (500 A RMS versus 450 A RMS) and improved surge current ratings (9200 A / 9800 A versus 9000 A / 9600 A). The MCC310-12IO1 is also active in production with modern compliance certifications, whereas the MCC250-12IO1 is obsolete.

Q: Are there package compatibility concerns?

A: The MCC250-12IO1 uses Y2-DCB packaging while the MCC310-12IO1 uses standard module packaging. Both are chassis mount configurations. Physical dimensions should be verified against mechanical drawings to confirm fit within existing mounting assemblies.

Q: What compliance certifications apply to the substitute part?

A: The MCC310-12IO1 is ROHS3 compliant and REACH unaffected. Both parts share the same ECCN (EAR99) and HTSUS (8541.30.0080) classifications.

Q: Is the MCC310-12IO1 available in production quantities?

A: Yes. The MCC310-12IO1 is currently active with 3600 pieces in stock, providing reliable supply availability for new designs and system support.