Silicon controlled thyristor module MEE250-12DA

Overview of Thyristor Modules

Thyristor modules are key components in power electronics technology. They consist of one or more thyristors encapsulated in a compact housing. Thyristors are four-layer, three-terminal semiconductor devices that are primarily used in applications that control and regulate high-power AC or DC current. They can quickly switch from a high-impedance state to a low-impedance conduction state based on a trigger signal, thereby achieving precise control of current.

Features and Benefits of Thyristor Modules

High power handling capability: Thyristor modules can withstand extremely high voltages and currents, making them suitable for industrial-grade power conversion and control systems.

Fast response time: Very short switching times and low losses ensure high-efficiency operation.

Reliability and durability: Rugged design, stable operation in harsh environments, and long life.

Easy integration: Modular design simplifies installation and reduces maintenance requirements.

Overload protection: Built-in protection mechanisms such as over-temperature and over-current protection enhance system safety.

Versatile applications: Widely used in a variety of applications requiring precise current control.

(Silicon controlled thyristor module MEE250-12DA)

Specification of Silicon controlled thyristor module MEE250-12DA

The MEE250-12DA is a high-performance silicon-controlled thyristor (SCR) component developed for commercial power control applications. It integrates durable construction with advanced semiconductor innovation to provide trusted changing and effective power monitoring in demanding atmospheres. The module is enhanced for AC/DC motor drives, temperature control systems, UPS systems, and other high-power electronic tools.

** Secret Specifications: **.
– ** Voltage Ratings: ** Repetitive top off-state voltage (VDRM) and turn around voltage (VRRM) of 1200V, making sure secure operation under high-voltage problems.
– ** Existing Rankings: ** Typical on-state present (IT( AV)) of 250A, RMS current (IT( RMS)) of 390A, and non-repetitive surge current (ITSM) of 4500A (10ms half-sine wave), ideal for high-current applications.
– ** Entrance Trigger Parameters: ** Gate trigger voltage (VGT) of 1.5 V, gate trigger current (IGT) of 150mA, and entrance non-trigger voltage (VGD) of 0.2 V, enabling exact control with reduced drive power demands.
– ** Thermal Efficiency: ** Operating joint temperature variety of -40 ° C to +125 ° C, with low thermal resistance (junction-to-case) of 0.12 ° C/W for effective warm dissipation.
– ** Seclusion Voltage: ** Seclusion voltage of 2500V RMS in between terminals and baseplate, boosting security and durability in high-voltage systems.
– ** Mechanical Design: ** Compact module structure with a shielded steel baseplate for easy mounting. Screw terminals make certain safe links. Component measurements are roughly 118mm x 62mm x 30mm, with a weight of 300g.

** Attributes: **.
– High rise existing capacity for overload defense.
– Reduced thermal resistance and high joint temperature level tolerance for extended life-span.
– UL accreditation and RoHS compliance, meeting international safety and ecological requirements.
– Maximized for parallel or series setups in multi-module arrangements.

** Applications: **.
Perfect for phase control, soft starters, rectifiers, and power policy in commercial equipment, renewable energy systems, and welding tools. The MEE250-12DA makes certain very little power loss, high performance, and reliable efficiency in continuous or periodic duty cycles. Its sturdy layout and progressed electric features make it a preferred selection for engineers needing accuracy and durability in high-power digital systems.

(Silicon controlled thyristor module MEE250-12DA)

Applications of Silicon controlled thyristor module MEE250-12DA

The Silicon Controlled Thyristor (SCR) Component MEE250-12DA is a high-power semiconductor gadget developed for robust performance sought after commercial and business applications. With a voltage ranking of 1200V and a current ranking of 250A, this module is engineered to manage high-power switching and control jobs effectively. Its compact, modular design incorporates anti-parallel SCR pairs, simplifying installation in three-phase systems while guaranteeing reliable operation under extreme problems. Below are essential applications of the MEE250-12DA SCR component:

** Industrial Electric Motor Control **: The component is widely made use of in air conditioner electric motor drives for heavy equipment, making it possible for accurate rate and torque control in conveyor systems, pumps, compressors, and CNC devices. Its capacity to handle high present rises makes it excellent for soft-start applications, lowering mechanical tension and power grid disruptions throughout motor startup.

** Power Law and Conversion **: In industrial power supplies and rectifiers, the MEE250-12DA transforms AC to DC power with high efficiency. It is deployed in electroplating, electrolysis, and battery billing systems where secure, high-current DC result is crucial.

** Home heating Equipments **: The module masters temperature control for industrial heating systems, stoves, and induction home heating tools. By adjusting phase angles, it controls power shipment to heating elements, making certain precise thermal management for procedures like steel therapy or plastic molding.

** Illumination Control **: High-power lights systems, such as stadium or phase lights, use the component for dimming and switching. It takes care of huge current loads while preserving smooth control over light strength.

** Renewable Energy Equipments **: In solar and wind power inverters, the MEE250-12DA helps with efficient power conversion and grid synchronization. It makes certain stable power flow by managing a/c result from sustainable resources.

** Uninterruptible Power Supplies (UPS)**: The component functions as a static switch in UPS systems, providing instantaneous change between grid and back-up power during interruptions, critical for information facilities and healthcare facilities.

** Welding Devices **: SCR components are indispensable to welding equipments, enabling flexible existing control for regular arc welding efficiency in vehicle and building and construction industries.

** HVDC Transmission **: The component supports high-voltage direct existing (HVDC) systems, boosting long-distance power transmission efficiency with minimal losses.

Developed with innovative thermal administration and protection versus overvoltage, overcurrent, and short circuits, the MEE250-12DA makes certain toughness in rough atmospheres. Its adaptability, reliability, and high-power handling make it a keystone in modern industrial automation, energy monitoring, and electrical framework.

Company Profile

PDDN Photoelectron Technology Co., Ltd.(sales@pddn.com) is one of the leading enterprises in power electronics technology and power products, which is fully involved in developing solar inverters， transformers, voltage regulators, distribution cabinets, thyristors， modules， diodes， heaters, and other electronic devices or semiconductors. We will be committed to providing users with high-quality, efficient products and considerate service.

It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. If you want high-quality Silicon controlled thyristor module MEE250-12DA, please send us inquiries; we will be here to help you.

Payment Methods

L/C, T/T, Western Union, Paypal, Credit Card etc.

Shipment

By sea, by air, by express, as customers request.

Storage Conditions

1) Store in a dry environment at room temperature.

2) Avoid damp and high temperature.

3) Use immediately after opening the inner packing bag.

5 FAQs of Silicon controlled thyristor module MEE250-12DA

What are the primary applications of the MEE250-12DA Silicon Controlled Thyristor module?
The MEE250-12DA is designed for high-power switching and control in industrial systems. Common applications include motor drives, AC/DC power converters, induction heating equipment, and voltage regulation in renewable energy systems like wind or solar inverters. It is also used in industrial automation, UPS systems, and power supplies requiring precise control of large electrical loads.

What are the key electrical specifications of the MEE250-12DA module?
The module features a maximum repetitive off-state voltage (VDRM) of 1200V and an average forward current (IT(AV)) of 250A. It supports surge currents up to 4500A (non-repetitive) and has a gate trigger voltage (VGT) of 1.5V to 3V. Its low thermal resistance and high voltage tolerance make it suitable for high-stress environments.

How should the MEE250-12DA be installed and connected?
Mount the module on a heatsink using thermal grease to ensure efficient heat dissipation. Tighten mounting screws to the recommended torque (typically 1.5–2.0 Nm) to avoid mechanical stress. Connect the gate terminals using shielded cables to minimize electromagnetic interference. Ensure proper insulation between the module and chassis to prevent short circuits. Follow the datasheet for polarity and wiring diagrams.

What thermal management is required for reliable operation?
The module operates optimally at junction temperatures below 125°C. Use a heatsink with adequate surface area and forced air or liquid cooling for high-load conditions. Monitor temperature during operation and avoid exceeding the specified thermal limits. Derate the current if ambient temperatures exceed 40°C. Proper thermal design prevents overheating and extends the module’s lifespan.

What is the expected lifespan and reliability of the MEE250-12DA?
Under normal operating conditions (within voltage, current, and temperature limits), the module has a lifespan of over 100,000 hours. Reliability depends on proper installation, cooling, and avoiding electrical stress like voltage spikes or excessive inrush currents. Regular maintenance, such as checking connections and cooling systems, ensures long-term performance. Failures are rare but often linked to thermal or electrical overloads.

(Silicon controlled thyristor module MEE250-12DA)