MDTC800-18 Double Thyristor Module For Phase Control

Overview of Phase Control Thyristor

A phase control thyristor, often referred to as a triac or SCR (Silicon Controlled Rectifier) in certain applications, is a semiconductor device used for controlling the amount of power delivered to a load by adjusting the phase angle at which the AC waveform is allowed to conduct. This method of control is known as phase angle control or simply phase control. Phase control thyristors are widely used in various applications that require precise regulation of electrical power, such as lighting dimmers, motor speed controls, temperature controllers, and more.

Features of Phase Control Thyristor

Phase Angle Control: Allows adjustment of the conduction point within each half-cycle of the AC waveform, enabling precise control over the average power delivered to the load.

High Efficiency: Operates with minimal losses when conducting, providing efficient power control.

Bidirectional Conductivity (Triacs): For AC applications, triacs can conduct current in both directions, making them suitable for full-wave control of AC loads.

Unidirectional Conductivity (SCRs): SCRs conduct current in one direction only and are typically used for half-wave control of AC or DC loads.

Gate Triggering: Conduction begins when a small current is applied to the gate terminal, allowing for easy control of the turn-on point.

Latching Current: Once triggered, the thyristor continues to conduct until the current through it falls below a certain level called the holding current.

Temperature Sensitivity: Performance can be affected by temperature changes, requiring thermal management considerations in design.

Voltage and Current Ratings: Available in a wide range of voltage and current ratings to suit different application needs.

Noise Generation: Can generate electromagnetic interference (EMI), necessitating proper filtering and shielding in sensitive applications.

Protection Mechanisms: Often include built-in protection against overvoltage and overcurrent conditions to safeguard the device and connected systems.

(MDTC800-18 Double Thyristor Module For Phase Control)

Specification of MDTC800-18 Double Thyristor Module For Phase Control

The MDTC800-18 Dual Thyristor Component is a high-performance semiconductor device developed for stage control applications, including motor rate policy, temperature level control, and power modulation in commercial systems. This module integrates 2 antiparallel thyristors (SCRs) in a solitary plan, enabling effective AC voltage control by managing conduction angles. It is built for high-power environments, using durable efficiency and integrity under requiring conditions.

** Trick Requirements: **.
– ** Voltage Scores: ** Recurring peak off-state voltage (V_DRM/ V_RRM): 1800V; On-state voltage decline (V_T): ≤ 1.6 V (at 800A).
– ** Current Scores: ** Average on-state current (I_TAV): 800A; Non-repetitive rise current (I_TSM): 8500A (half-sine wave, 10ms).
– ** Gate Qualities: ** Entrance trigger present (I_GT): ≤ 150mA; Gate trigger voltage (V_GT): ≤ 3V; Gate power dissipation (P_G): 5W (max).
– ** Thermal Characteristics: ** Junction-to-case thermal resistance (R_thJC): 0.12 ° C/W; Operating junction temperature level: -40 ° C to +125 ° C.- ** Seclusion: ** Seclusion voltage between module and heatsink: 2500V (RMS, 1min).
– ** Mounting: ** Screw or push mounting with torque specs of 10-15Nm for safe and secure setup.
– ** Weight: ** Approx. 600g.

** Functions: **.
– ** High Dependability: ** Durable construction ensures stability in high-voltage, high-current environments.
– ** Compact Layout: ** Twin thyristor integration reduces room needs and streamlines circuit layout.
– ** Low Thermal Resistance: ** Maximized warm dissipation extends lifespan under continual operation.
– ** Precision Control: ** Enables precise phase-angle modulation for smooth power law.

** Applications: **.
– Industrial electric motor drives, soft starters, and a/c power controllers.
– Heating systems, welding devices, and voltage regulatory authorities.
– Renewable resource systems and grid framework.

** Compliance: ** Fulfills IEC, UL, and RoHS requirements for safety and security and environmental compatibility. The MDTC800-18 is perfect for designers seeking a durable, high-efficiency remedy for phase-controlled power monitoring. Its protected baseplate makes certain very easy assimilation right into heatsink settings up, while its high rise present capability guarantees durability against short-term overloads. Appropriate for use in harsh industrial settings, this component supplies consistent performance with very little upkeep demands.

(MDTC800-18 Double Thyristor Module For Phase Control)

Applications of MDTC800-18 Double Thyristor Module For Phase Control

The MDTC800-18 Dual Thyristor Module for Phase Control is a high-performance semiconductor gadget developed to manage power in air conditioning circuits by adjusting the stage angle of voltage or existing. This component integrates two antiparallel thyristors in a single portable package, making it possible for precise control over alternating existing waveforms. With a voltage rating of 800V and an average current ranking of 18A, it is engineered for durable operation in industrial and industrial applications needing effective phase-angle control.

** Secret Applications: **.
1. ** Industrial Home Heating Solutions: ** The MDTC800-18 is suitable for temperature level guideline in resisting heating devices, such as heaters and stoves. By regulating the conduction angle, it guarantees smooth power shipment, boosting energy performance and process consistency.
2. ** Electric Motor Rate Control: ** In equipment needing variable-speed operation, this thyristor component adjusts AC electric motor voltage, allowing specific RPM control for conveyor systems, pumps, and followers. Its quick switching capacity decreases torque fluctuations.
3. ** Lights Control: ** Used in lowering systems for high-power lighting arrangements, such as stage lights or commercial LEDs, the component gives flicker-free illumination change while handling high inrush currents.
4. ** Power Materials: ** It acts as a crucial part in phase-controlled rectifiers for converting a/c to DC power, supporting applications like battery billing or flexible DC drives.
5. ** Renewable Resource Systems: ** The module help in grid-tied inverters for solar or wind energy, handling power circulation and synchronization with the utility grid.

** Qualities & Perks: **.
The MDTC800-18 boasts reduced thermal resistance due to its protected baseplate, guaranteeing reputable warmth dissipation also under high-load conditions. Its integrated style reduces circuitry complexity and enhances system integrity. Electrically separated placing streamlines installation in diverse arrangements. Built-in snubber networks subdue voltage spikes, shielding connected tools. The component’s rugged construction makes sure toughness in harsh environments, with conformity to international standards for safety and security and performance.

By integrating precision, efficiency, and compactness, the MDTC800-18 Dual Thyristor Module is a versatile option for designers looking for to maximize power control in phase-sensitive applications. Its capability to take care of high currents and voltages with marginal losses makes it an economical selection for contemporary industrial automation, energy administration, and beyond.

Company Profile

Luoyang Datang Energy Tech 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 MDTC800-18 Double Thyristor Module For Phase Control, 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 MDTC800-18 Double Thyristor Module For Phase Control

The MDTC800-18 Double Thyristor Module for Phase Control is designed for high-power AC phase control applications. Below are five common FAQs with direct answers:

**1. What applications is the MDTC800-18 best suited for?**
The module is ideal for industrial systems requiring precise AC power regulation, such as motor speed control, temperature regulation in heating systems, voltage stabilizers, and soft starters for heavy machinery. It is commonly used in industries like metallurgy, chemical processing, and energy management.

**2. What are the key electrical specifications?**
The MDTC800-18 has a maximum average current rating of 800A, a repetitive peak off-state voltage (VDRM) of 1800V, and a critical rate of rise of off-state voltage (dv/dt) of 1000V/µs. It operates within a junction temperature range of -40°C to 125°C and requires proper heat sinking for optimal performance.

**3. How is the module mounted and cooled?**
Mount the module on a heatsink using thermal grease to ensure efficient heat dissipation. Torque mounting screws to the manufacturer’s specified value (typically 2.0–2.5 Nm) to avoid mechanical stress. Forced-air or liquid cooling is recommended for high-current applications to maintain junction temperatures below 125°C.

**4. Does the module include protection features?**
While the thyristor itself has no built-in protection, it is designed to handle high surge currents and voltage transients. External protection circuits, such as snubbers for voltage spikes, fast-acting fuses for overcurrent, and RC networks for dv/dt suppression, are necessary to safeguard the module in dynamic load conditions.

**5. What is the typical lifespan under normal operating conditions?**
With proper cooling, derating (operating below 80% of max ratings), and stable load conditions, the MDTC800-18 can exceed 100,000 hours of service. Lifespan reduces if subjected to frequent thermal cycling, voltage overloads, or improper mounting. Regular inspection of connections and cooling systems is advised.

This module ensures reliable performance in demanding environments when installed and maintained according to guidelines.

(MDTC800-18 Double Thyristor Module For Phase Control)