VWO80-12IO7 Equivalent & Substitute Parts

Part Overview

The VWO80-12IO7 is a 3-phase AC controller SCR module manufactured by IXYS, rated for 1.2 kV off-state voltage with a maximum RMS on-state current of 59 A. This module integrates six SCRs in a chassis mount configuration for three-phase power control applications. The product is currently obsolete, making identification of functionally equivalent alternatives necessary for system maintenance and component sourcing.

Substiute Parts

VWO80-12IO7

IXYSIn Stock: 945VWO80-12IO7 Datasheet

Current PartRFQ

MMO110-12IO7

IXYSIn Stock: 1011MMO110-12IO7 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

The MMO110-12IO7 shares the critical voltage rating of 1.2 kV off-state voltage with the VWO80-12IO7, establishing baseline electrical compatibility. Both modules are IXYS thyristor products with chassis mount configurations and identical gate trigger current specifications (100 mA maximum).

Substitution eligibility is determined by the following parameters:

• Voltage - Off State: 1.2 kV (matching requirement)
• Mounting Type: Chassis Mount (matching requirement)
• Current - Gate Trigger (Igt) (Max): 100 mA (matching requirement)
• Gate Trigger Voltage (Vgt) (Max): Within acceptable tolerance range
• Operating Temperature Range: Minimum -40°C requirement met

The MMO110-12IO7 operates at a higher maximum junction temperature (-40°C ~ 150°C) and features improved RoHS3 compliance status compared to the obsolete VWO80-12IO7. However, the MMO110-12IO7 is configured as a 1-phase controller with 2 SCRs, whereas the VWO80-12IO7 is a 3-phase controller with 6 SCRs. This structural difference indicates application-specific suitability rather than direct pin-for-pin replacement.

Parameter Comparison

Engineering Selection Recommendations

The MMO110-12IO7 is an active product with current manufacturing support and ROHS3 compliance certification, providing supply chain continuity for applications requiring 1.2 kV thyristor modules. The higher maximum junction temperature rating (150°C vs. 125°C) extends operational margins in thermally demanding environments.

The structural difference between 3-phase and 1-phase configurations requires application-level assessment. The MMO110-12IO7 delivers higher current capacity (81 A RMS vs. 59 A RMS), making it suitable for single-phase applications with elevated power requirements. The gate trigger voltage specification (1.5 V maximum vs. 1 V maximum) remains within standard control circuit tolerances for IXYS thyristor modules.

Selection should prioritize the MMO110-12IO7 for new designs and maintenance applications where 1-phase control topology is applicable, due to active product status and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can the MMO110-12IO7 directly replace the VWO80-12IO7 in existing systems?

A: Direct replacement depends on application topology. The VWO80-12IO7 is configured for 3-phase control with 6 SCRs, while the MMO110-12IO7 is a 1-phase controller with 2 SCRs. Electrical compatibility exists at the 1.2 kV voltage rating and gate trigger current level, but circuit integration requires verification of phase control requirements.

Q: What are the key electrical parameters for substitution compatibility?

A: Voltage - Off State (1.2 kV), Mounting Type (Chassis Mount), and Current - Gate Trigger (100 mA maximum) are the primary compatibility criteria. Both modules meet these specifications. Secondary considerations include on-state current capacity and operating temperature range.

Q: Does the MMO110-12IO7 meet current regulatory requirements?

A: Yes. The MMO110-12IO7 is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards. The VWO80-12IO7, being obsolete, does not carry current compliance certifications.

Q: How do the current ratings compare?

A: The MMO110-12IO7 provides higher on-state current capacity (81 A RMS vs. 59 A RMS average current). This increased capacity is suitable for higher-power single-phase applications but does not affect voltage-level compatibility.

Q: What is the impact of the different gate trigger voltage specifications?

A: The MMO110-12IO7 specifies a maximum gate trigger voltage of 1.5 V compared to 1 V for the VWO80-12IO7. This 0.5 V difference is within standard control circuit design margins and does not prevent functional substitution in applications with appropriate gate drive circuitry.