MCC220-16IO1 Equivalent & Substitute Parts

Part Overview

The MCC220-16IO1 is a dual SCR thyristor module rated for 1.6 kV off-state voltage with 400 A RMS on-state current capacity. This component features series-connected SCRs in a Y2-DCB chassis mount package, designed for high-voltage switching applications. The part is classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.

Substiute Parts

MCC220-16IO1

IXYSIn Stock: 5969MCC220-16IO1 Datasheet

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MCC310-16IO1

IXYSIn Stock: 800175MCC310-16IO1 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the MCC220-16IO1 is determined by the following critical parameters that must remain constant or be exceeded:

• Voltage - Off State: 1.6 kV (minimum requirement)
• Package / Case: Y2-DCB (mechanical and thermal interface requirement)
• Mounting Type: Chassis Mount (system integration requirement)
• Structure: Series Connection - All SCRs (circuit topology requirement)
• Number of SCRs: 2 (functional requirement)
• Operating Temperature Range: -40°C to 140°C (environmental requirement)

The MCC310-16IO1 qualifies as a direct substitute because it maintains all critical parameters while providing enhanced current ratings. The on-state current capacity increases from 400 A RMS to 500 A RMS, and the average on-state current increases from 250 A to 320 A. Gate trigger specifications remain identical. The non-repetitive surge current ratings are also improved.

Parameter Comparison

Engineering Selection Recommendations

The MCC310-16IO1 is the qualified substitute for the obsolete MCC220-16IO1. Selection of the MCC310-16IO1 is supported by the following factors:

• Product Status: The MCC310-16IO1 maintains active product status, ensuring continued availability and manufacturing support.
• Compliance: The MCC310-16IO1 is RoHS3 compliant and REACH unaffected, meeting current regulatory requirements.
• Electrical Compatibility: All critical electrical parameters match or exceed the original specification. Gate trigger voltage and hold current remain identical, ensuring control circuit compatibility.
• Mechanical Compatibility: Identical Y2-DCB package and chassis mount configuration provide direct mechanical interchange without system redesign.
• Thermal Performance: Operating temperature range is identical, maintaining thermal design margins.
• Current Capacity Enhancement: The increased on-state current ratings (500 A RMS versus 400 A RMS) provide improved performance margin for existing applications.

Frequently Asked Questions (FAQ)

Q: Can the MCC310-16IO1 directly replace the MCC220-16IO1 in existing designs?

A: Yes. The MCC310-16IO1 maintains identical voltage ratings, gate trigger specifications, package configuration, and mounting type. The increased current ratings represent an enhancement rather than a deviation from the original specification.

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

A: The primary differences are on-state current capacity and product status. The MCC310-16IO1 provides 500 A RMS compared to 400 A RMS for the MCC220-16IO1. The MCC310-16IO1 is an active product with current compliance certifications, while the MCC220-16IO1 is obsolete.

Q: Are the gate trigger characteristics identical?

A: Yes. Both parts specify a maximum gate trigger voltage of 2 V and maximum gate trigger current of 150 mA. Control circuit designs require no modification.

Q: Does the Y2-DCB package remain the same?

A: Yes. Both parts use the Y2-DCB package with chassis mount configuration. No mechanical redesign or thermal interface changes are required.

Q: What is the impact of the higher current rating on thermal design?

A: The MCC310-16IO1 maintains the same operating temperature range (-40°C to 140°C). Systems designed for the MCC220-16IO1 will experience improved thermal margin with the higher-rated substitute, as the same current levels will generate proportionally lower losses.

Q: Are there any compliance differences?

A: The MCC310-16IO1 is RoHS3 compliant and REACH unaffected. The MCC220-16IO1 compliance status is not specified. For applications requiring current regulatory compliance, the MCC310-16IO1 is the appropriate selection.