MCC250-14IO1 Equivalent & Substitute Parts

Part Overview

The MCC250-14IO1 is a dual SCR thyristor module rated for 1.4 kV off-state voltage with 450 A RMS on-state current capacity. This component features series connection architecture with all SCRs mounted on a Y2-DCB chassis mount package. The part is classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.

Substiute Parts

MCC250-14IO1
IXYSIn Stock: 771MCC250-14IO1 Datasheet
MCC250-14IO1
Current Part
MCC310-14IO1
IXYSIn Stock: 100181MCC310-14IO1 Datasheet
MCC310-14IO1
Direct

Key Parameters

Parameter Value
Manufacturer Part Number MCC250-14IO1
Manufacturer IXYS
Category Thyristors
Description THYRISTOR DUAL 1400V 450A
Structure Series Connection - All SCRs
Number of SCRs 2
Voltage - Off State 1.4 kV
Current - On State (It RMS) Max 450 A
Voltage - Gate Trigger (Vgt) Max 2 V
Current - Gate Trigger (Igt) Max 150 mA
Current - Non Rep. Surge (50/60Hz) 9000A / 9600A
Current - Hold (Ih) Max 150 mA
Operating Temperature Range -40°C to 140°C (TJ)
Mounting Type Chassis Mount
Package / Case Y2-DCB
Product Status Obsolete
RoHS Status RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the MCC250-14IO1 is determined by the following critical electrical and mechanical parameters:

  • Voltage Rating: Off-state voltage must remain at 1.4 kV to maintain system voltage compatibility
  • Current Capacity: On-state RMS current rating must meet or exceed 450 A
  • Gate Trigger Characteristics: Gate trigger voltage (Vgt) and current (Igt) must remain within 2 V and 150 mA respectively
  • Hold Current: Must not exceed 150 mA
  • Structure: Series connection architecture with dual SCRs must be preserved
  • Mounting Configuration: Chassis mount requirement must be maintained
  • Operating Temperature: -40°C to 140°C range must be supported

The MCC310-14IO1 qualifies as a direct substitute based on matching all critical parameters while providing enhanced current capacity and improved product status.

Parameter Comparison

Parameter MCC250-14IO1 MCC310-14IO1 Compatibility
Voltage - Off State 1.4 kV 1.4 kV Match
Current - On State (It AV) Max 287 A 320 A Compatible - Higher Rating
Current - On State (It RMS) Max 450 A 500 A Compatible - Higher Rating
Voltage - Gate Trigger (Vgt) Max 2 V 2 V Match
Current - Gate Trigger (Igt) Max 150 mA 150 mA Match
Current - Non Rep. Surge 50Hz 9000 A 9200 A Compatible - Higher Rating
Current - Non Rep. Surge 60Hz 9600 A 9800 A Compatible - Higher Rating
Current - Hold (Ih) Max 150 mA 150 mA Match
Operating Temperature Range -40°C to 140°C -40°C to 140°C Match
Mounting Type Chassis Mount Chassis Mount Match
Structure Series Connection - All SCRs Series Connection - All SCRs Match
Number of SCRs 2 2 Match
Product Status Obsolete Active Upgrade Available
RoHS Status RoHS non-compliant ROHS3 Compliant Improved Compliance

Engineering Selection Recommendations

The MCC310-14IO1 serves as the direct substitute for the obsolete MCC250-14IO1. Selection is based on the following factors:

Product Status: The MCC250-14IO1 is classified as obsolete, while the MCC310-14IO1 maintains active product status with confirmed inventory availability (100,099 pieces in stock versus 750 pieces for the obsolete part).

Electrical Compatibility: All critical electrical parameters align between the two components. The MCC310-14IO1 provides higher current capacity ratings (500 A RMS versus 450 A RMS) and improved surge current handling (9200A/9800A versus 9000A/9600A), making it suitable for applications requiring the original specifications.

Regulatory Compliance: The MCC310-14IO1 achieves ROHS3 compliance and REACH unaffected status, whereas the MCC250-14IO1 is RoHS non-compliant. This compliance improvement is significant for applications subject to environmental regulations.

Mechanical Compatibility: Both components maintain identical mounting configurations (chassis mount) and package architecture (Y2-DCB / Module), ensuring mechanical interchangeability in existing designs.

Frequently Asked Questions (FAQ)

Q: Can the MCC310-14IO1 directly replace the MCC250-14IO1 in existing applications?

A: Yes. The MCC310-14IO1 meets all critical electrical parameters of the MCC250-14IO1, including voltage rating (1.4 kV), gate trigger characteristics (2 V / 150 mA), and hold current (150 mA). The higher current capacity of the substitute component does not create compatibility issues in applications designed for the original part.

Q: What is the difference in current handling between these two parts?

A: The MCC310-14IO1 provides 500 A RMS on-state current capacity compared to 450 A RMS for the MCC250-14IO1. This represents a 50 A increase in continuous current rating. Non-repetitive surge current ratings also increase from 9000A/9600A to 9200A/9800A at 50Hz and 60Hz respectively.

Q: Are there packaging differences between the MCC250-14IO1 and MCC310-14IO1?

A: Both components use chassis mount configurations. The MCC250-14IO1 specifies Y2-DCB packaging, while the MCC310-14IO1 is designated as a Module package type. Both maintain the same mechanical mounting interface and thermal characteristics required for series connection dual SCR applications.

Q: What compliance improvements does the MCC310-14IO1 offer?

A: The MCC310-14IO1 achieves ROHS3 compliance and carries REACH unaffected status. The MCC250-14IO1 is RoHS non-compliant. This makes the MCC310-14IO1 suitable for applications subject to environmental and regulatory requirements in regions enforcing RoHS directives.

Q: Is the MCC310-14IO1 available for immediate procurement?

A: Yes. The MCC310-14IO1 is classified as an active product with 100,099 pieces in stock, providing reliable supply availability. The MCC250-14IO1, being obsolete with limited inventory (750 pieces), presents supply chain risk for new designs or ongoing production.

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