MCC500-16IO1: Your Guide to High-Current Power Modules
2025-04-02
136
The MCC500-16IO1 is a durable dual thyristor module from IXYS, designed for high-power applications like motor control, power converters, and welding equipment. With the ability to handle up to 1600 V and 500 A, it offers reliable performance in tough conditions. Though the module is no longer in production, it is still available for purchase, ensuring support for existing systems. This article will cover the features, applications, and alternatives of the MCC500-16IO1.
Catalog
MCC500-16IO1 Overview
The MCC500-16IO1 is a robust dual thyristor module from IXYS, tailored for demanding high-power applications where controlled rectification and efficient switching are required. Each module is composed of two thyristors in a common cathode arrangement, designed to manage efficient electrical loads effectively. It features a repetitive peak off-state voltage (VDRM) of 1600 V and can handle an average on-state current (ITAV) of 500 A at a case temperature of 89°C. The device is capable of enduring a peak non-repetitive surge current (ITSM) of 16.5 kA, suitable for applications requiring high power and reliability.
Although the MCC500-16IO1 has been marked as obsolete, it remains available through our website, ensuring support for existing setups requiring replacements or specific design needs. For those interested in exploring more about this thyristor module or making a purchase, please contact us today to secure your requirement while supplies last.
MCC500-16IO1 Features
Dual Thyristors - Two thyristors in one unit, using a common cathode design.
Handles High Voltage - Can manage up to 1600 volts without breaking down.
Carries Heavy Current - Supports 500 amps continuously at high temperatures.
Surge Protection - Can handle short bursts up to 16,500 amps for 10 milliseconds.
Strong Build - Comes in a compact, chassis-mount case (WC-500) for easy installation and good heat control.
Easy to Trigger - Works with gate signals up to 3 volts and 300 milliamps.
Stays On When Needed - Needs only 1 amp to stay conducting during operation.
Built for Tough Conditions - Reliable in high-power and high-temperature environments.
MCC500-16IO1 Applications
AC and DC Motor Control - Used in variable speed drives and soft starters for industrial motors.
Power Converters - Ideal for controlled rectifiers and phase-controlled converters.
Welding Equipment - Provides reliable switching and current handling in heavy-duty welders.
Battery Chargers - Suitable for high-power industrial battery charging systems.
Heater Control Systems - Helps regulate power in large electric heating systems.
Uninterruptible Power Supplies (UPS) - Supports reliable switching in backup power systems.
Industrial Power Supplies - Used in high-current, high-voltage power systems for factories and automation.
MCC500-16IO1 Alternatives
• ASMCC500-16-IO1
MCC500-16IO1 Electrical Specifications
| Parameter | Symbol | Value | Conditions |
|---|---|---|---|
| Repetitive Peak Off-State Voltage | VDRM / VRRM | 1600 V | Tj = 125°C |
| Average On-State Current per Thyristor | IT(AV) | 500 A | TC = 89°C |
| RMS On-State Current | IT(RMS) | 1294 A | TC = 55°C |
| Surge (Non-Repetitive) On-State Current | ITSM | 16.5 kA | t = 10 ms, half-sine, Tj = 25°C |
| I²t Value for Fusing | I²t | 1358 kA²·s | t = 10 ms |
| Peak Gate Trigger Current | IGT | 300 mA | Tj = 25°C |
| Peak Gate Trigger Voltage | VGT | 3.0 V | Tj = 25°C |
| Holding Current | IH | < 1 A | Tj = 25°C |
| Critical dv/dt | (dv/dt)cr | 1000 V/µs | Tj = 125°C |
| On-State Voltage Drop | VTM | 1.04 V (typ), 1.20 V (max) | IT = 1575 A, Tj = 25°C |
MCC500-16IO1 Thermal and Mechanical Characteristics
| Parameter | Symbol | Value | Conditions / Notes |
|---|---|---|---|
| Junction-to-Case Thermal Resistance (per thyristor) | RthJC | 0.062 K/W | — |
| Case-to-Heatsink Thermal Resistance (per module) | RthCK | 0.02 K/W | With mounting grease |
| Maximum Junction Temperature | Tj | –40°C to +125°C | — |
| Storage Temperature Range | Tstg | –40°C to +150°C | — |
| Mounting Torque – Main Terminals | — | 6 Nm | M8 screw with spring washer |
| Mounting Torque – Mounting Screws | — | 6 Nm | M6 screw with spring washer |
| Weight | — | Approx. 1.5 kg | — |
| Dimensions (L × W × H) | — | Approx. 150 mm × 60 mm × 52 mm | Including baseplate and housing |
| Cooling Method | — | Heatsink (forced or natural) | Dependent on thermal design |
MCC500-16IO1, ASMCC500-16-IO1 and MCC312-16IO1 Comparison
| Feature |
MCC500-16IO1 | ASMCC500-16-IO1 | MCC312-16IO1 |
|---|---|---|---|
| Manufacturer | IXYS | AS ENERGI™ (replacement) | IXYS |
| Average Current (ITAV) | 500 A | 500 A | 312 A |
| Peak Voltage (VDRM) | 1600 V | 1600 V | 1600 V |
| Surge Current (ITSM) | 16.5 kA | 16.5 kA (equivalent) | 8.3 kA |
| Configuration | Dual Thyristor, Common Cathode | Same Configuration | Dual Thyristor, Common Cathode |
| Package Type | WC-500 | WC-500 (compatible) | WC-type (smaller) |
| Status | Obsolete | Available (Drop-in Replacement) | Active |
| Application Fit | High-Power Industrial Use | Replacement for MCC500-16IO1 | Medium-Power Applications |
MCC500-16IO1 Advantages and Disadvantages
Advantages:
- Supports up to 500 A, making it suitable for heavy-duty industrial use.
- Withstands 16.5 kA surge current, protecting systems during power spikes.
- Rated for 1600 V, ideal for high-voltage applications.
- Simplifies circuit design and saves board space.
- Easy to install with good thermal performance in a compact footprint.
- Built to perform in demanding thermal and electrical environments.
Disadvantages:
- No longer in production by IXYS, making availability limited to stock or secondary markets.
- Requires up to 300 mA to trigger, which may demand more from gate drive circuits.
- May be bulkier than newer, more compact designs with similar ratings.
- Fixed configuration may not suit custom or modern modular designs.
MCC500-16IO1 Outline Drawing
The outline drawing of the MCC500-16IO1 power module provides basic information about the physical dimensions, mounting configuration, and terminal layout of the device. The top view highlights three main terminals labeled 1, 2, and 3, which typically correspond to the electrical connections for the power module. The spacing between the terminals is clearly indicated, with a center-to-center distance of 112 mm between terminals 1 and 3. Mounting holes are positioned at all four corners, allowing for secure installation on a heatsink or panel. These holes are sized for M10 bolts, ensuring mechanical stability.
The side view illustrates the overall height of the module, which is approximately 62 mm, and confirms the presence of threaded terminals on top for electrical connections. The drawing also shows a base length of 150 mm and a height clearance of 4 mm at the bottom, which helps with thermal contact and mounting alignment.
The end view provides a look at the control terminals, labeled K and G, typically used for gate and auxiliary control signals in IGBT modules. Together, these views ensure you can confidently integrate the MCC500-16IO1 into your designs by accounting for its physical footprint and interface requirements.
MCC500-16IO1 Internal Circuit Diagram
The internal circuit diagram of the MCC500-16IO1 illustrates its configuration as a dual-diode module. Terminals 1 and 2 represent the cathodes of two power diodes, while terminal 3 is the shared anode. This common-cathode structure allows current to flow from terminal 3 to terminals 1 and 2 through the diodes, providing rectification in high-current applications. The smaller numbered terminals (4, 5, 6, and 7) are auxiliary or sensing connections, typically used for monitoring or snubber networks.
The diagram also shows that terminals 6 and 7 connect internally to the midpoint between the two diodes, indicating potential tap points for thermal or voltage sensing. This setup is common in industrial rectifier blocks, where the module is used in power converters, inverters, or motor drives. The internal layout emphasizes high efficiency and compact integration by combining two high-power diodes in one package with accessible monitoring points.
MCC500-16IO1 Manufacturer
IXYS Corporation was a well-known manufacturer of power semiconductors and integrated circuits, specializing in products such as thyristors, IGBTs, MOSFETs, and gate drivers for industrial, transportation, medical, and consumer markets. Founded in 1983 and headquartered in California, IXYS earned a reputation for providing high-efficiency power solutions designed to improve energy use in switching and power conversion systems. The company focused on reliable, rugged components used in motor drives, solar inverters, UPS systems, and other high-power applications. In 2018, IXYS was acquired by Littelfuse, Inc., which expanded its global reach and product offerings under the Littelfuse brand.
Conclusion
The MCC500-16IO1 is a strong and reliable option for high-power applications, even though it is now obsolete. It continues to serve in systems that need replacements or upgrades. While newer alternatives are available, this module still provides great value. Contact us today to find the best solution for your needs.
Datasheet PDF
MCC500-16IO1 Datasheets:
1.MCC500-16IO1.pdf
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Frequently Asked Questions [FAQ]
1. What is the mounting configuration of the MCC500-16IO1?
The module features a chassis-mount package (WC-500) with mounting holes for M10 bolts, suitable for secure installation on a heatsink or panel.
2. How do the MCC500-16IO1's diodes function?
The module contains two thyristors in a common cathode arrangement, allowing efficient electrical load management through controlled rectification.
3. Can the MCC500-16IO1 handle high-temperature environments?
Yes, the module is designed to operate in environments with a junction temperature range of -40°C to +125°C.
4. What cooling method does the MCC500-16IO1 require?
The module requires a heatsink for cooling, either forced or natural, depending on the thermal design of the system.
5. What is the purpose of the control terminals K and G on the MCC500-16IO1?
The K and G terminals are typically used for gate and auxiliary control signals in IGBT modules, allowing for triggering and monitoring.
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