Fast Turn Off Thyristors P0248SC12D P0248SC12E P0248SC12F P0273SC12D P0273SC12E P0273SC12F P0306SC08A P0306SC08B P0306SC08C

Overview of Fast Turn-Off Thyristor (GTO)

A Fast Turn-Off Thyristor, commonly referred to as a Gate Turn-Off Thyristor (GTO), is a type of semiconductor device that can be turned on and off by its gate signal. Unlike standard thyristors, which can only be turned on by a gate signal and turned off by reducing the current flowing through them below a certain threshold (holding current), GTOs can be actively turned off by applying a negative gate pulse. This capability allows for more precise control over the device’s switching behavior.
GTOs are used in high-power applications such as motor drives, power supplies, and inverters, where they facilitate rapid and controlled switching of large currents. They operate at higher currents and voltages than most other types of transistors, making them suitable for heavy-duty industrial and commercial applications.

Features of Fast Turn-Off Thyristor (GTO)

Active Turn-Off Capability: Can be turned off by applying a negative gate pulse, providing better control over switching.
High Power Handling: Capable of managing high levels of power, with ratings often exceeding those of conventional thyristors.
Rapid Switching: Designed for fast turn-on and turn-off times, enabling efficient operation in power conversion circuits.
Large Current Capacity: Able to handle significant currents, making them ideal for applications requiring substantial power delivery.
High Voltage Tolerance: Can withstand high voltages, contributing to their reliability in demanding environments.
Low On-State Voltage Drop: Minimizes power loss when conducting, improving overall efficiency.
Gate Drive Requirements: Requires careful design of gate drive circuits to ensure reliable turn-on and turn-off operations.
Complex Control Circuits: Due to the need for both positive and negative gate pulses, control circuitry can be more complex compared to simpler thyristors.
Snubber Circuits: Often require snubber circuits to protect against voltage spikes during switching.
Thermal Management: Efficient heat dissipation is crucial due to the high power levels involved.

(Fast Turn Off Thyristors P0248SC12D P0248SC12E P0248SC12F P0273SC12D P0273SC12E P0273SC12F P0306SC08A P0306SC08B P0306SC08C)

Specification of Fast Turn Off Thyristors P0248SC12D P0248SC12E P0248SC12F P0273SC12D P0273SC12E P0273SC12F P0306SC08A P0306SC08B P0306SC08C

The Fast Turn Off Thyristors P0248SC12D, P0248SC12E, P0248SC12F, P0273SC12D, P0273SC12E, P0273SC12F, P0306SC08A, P0306SC08B, and P0306SC08C are high-performance semiconductor tools developed for fast switching in high-power applications. These thyristors are enhanced for rapid turn-off times, guaranteeing efficient operation in circuits requiring specific control and minimal energy loss.

The P0248SC12 series (D, E, F variants) and P0273SC12 collection (D, E, F variants) are rated for an obstructing voltage of 1200V, while the P0306SC08 collection (A, B, C variants) runs at 800V. Current rankings differ by version: the P0248SC12 collection supports a typical on-state current (IT(AV)) of 248A, the P0273SC12 series manages 273A, and the P0306SC08 collection provides 306A. These devices include low gate trigger currents (IGT) usually under 200mA, with gateway trigger voltages (VGT) around 2-3V, ensuring compatibility with basic control circuits.

Secret requirements consist of a fast turn-off time (tq) varying from 10µs to 25µs, depending upon the version, enabling high-frequency switching. The critical rate of rise of off-state voltage (dv/dt) surpasses 1000V/ µs, boosting reliability in transient conditions. Thermal resistance (junction-to-case) is kept below 0.12 ° C/W for efficient heat dissipation, sustaining continuous procedure at junction temperature levels approximately 125 ° C. All models are housed in robust, industry-standard press-pack or module bundles, guaranteeing mechanical security and very easy integration right into power assemblies.

These thyristors are excellent for high-voltage DC transmission, electric motor drives, induction heating, and renewable resource inverters. Their snubberless layout reduces external element requirements, decreasing system complexity and expense. Constructed to withstand high surge currents and repetitive peak reverse voltages, they guarantee longevity in demanding environments. Conformity with global criteria for safety and efficiency warranties dependability across industrial and business applications.

Variations within each collection (e.g., D, E, F or A, B, C) supply slight distinctions in specifications such as turn-off time, leak existing, or thermal attributes, allowing engineers to pick the optimal tool for details circuit problems. Backed by rigorous high quality screening, these thyristors offer a balance of speed, power handling, and long life, making them a preferred selection for modern power electronic devices systems.

(Fast Turn Off Thyristors P0248SC12D P0248SC12E P0248SC12F P0273SC12D P0273SC12E P0273SC12F P0306SC08A P0306SC08B P0306SC08C)

Applications of Fast Turn Off Thyristors P0248SC12D P0248SC12E P0248SC12F P0273SC12D P0273SC12E P0273SC12F P0306SC08A P0306SC08B P0306SC08C

Rapid turn-off thyristors, including designs P0248SC12D, P0248SC12E, P0248SC12F, P0273SC12D, P0273SC12E, P0273SC12F, P0306SC08A, P0306SC08B, and P0306SC08C, are high-performance semiconductor tools developed for rapid switching in demanding power control applications. These thyristors combine high voltage and present handling capacities with ultra-fast turn-off times, making them ideal for systems needing precision, effectiveness, and integrity. The P0248 and P0273 series are maximized for greater voltage and present rankings, while the P0306 series supplies portable, lower-profile layouts fit for space-constrained applications. Variants in suffix letters (A, B, C, D, E, F) represent distinctions in parameters like blocking voltage, changing speed, and thermal efficiency, making it possible for tailored remedies for diverse usage situations.

Key applications include commercial electric motor drives, where these thyristors allow accurate speed and torque control in hefty machinery, improving energy effectiveness and functional safety and security. In power supplies and inverters, their rapid changing decreases power loss during DC-AC conversion, improving performance in UPS systems, solar inverters, and electrical automobile billing facilities. Medical devices, such as MRI devices and X-ray generators, gain from their dependability and fast response, making certain secure operation in important atmospheres.

Renewable energy systems take advantage of these thyristors for efficient power conversion in solar and wind installments, enhancing grid combination and energy storage. Pulsed power systems, including laser motorists and fragment accelerators, rely upon their capacity to handle high rise currents and deliver accurate timing for high-energy pulses. In addition, they are used in welding tools, traction systems, and induction home heating, where robust efficiency under thermal stress is necessary.

Functions like high rise present capacity, low thermal resistance, and durable isolation make sure longevity in harsh problems. By minimizing changing losses and improving thermal monitoring, these thyristors extend devices life-span and lower maintenance costs. Their versatility across industries– from production and health care to renewable energy and transportation– highlights their function as essential parts in contemporary power electronic devices, driving innovation in efficiency and reliability.

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 Fast Turn Off Thyristors P0248SC12D P0248SC12E P0248SC12F P0273SC12D P0273SC12E P0273SC12F P0306SC08A P0306SC08B P0306SC08C, 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 Fast Turn Off Thyristors P0248SC12D P0248SC12E P0248SC12F P0273SC12D P0273SC12E P0273SC12F P0306SC08A P0306SC08B P0306SC08C

Fast Turn Off Thyristors (P0248SC12D, P0248SC12E, P0248SC12F, P0273SC12D, P0273SC12E, P0273SC12F, P0306SC08A, P0306SC08B, P0306SC08C) are high-performance semiconductor devices designed for rapid switching in power electronics. Below are five FAQs to help users understand their key features and applications:

**1. What are the primary applications of these thyristors?**
These thyristors are optimized for fast-switching scenarios such as high-frequency inverters, motor drives, pulsed power systems, and industrial equipment requiring precise turn-off control. Their low turn-off time (tq) ensures minimal energy loss during switching, making them ideal for high-efficiency power conversion.

**2. How do models differ within the same series (e.g., P0248SC12D vs. P0248SC12E)?**
The suffix letters (D/E/F or A/B/C) denote variations in voltage ratings, current handling, or switching speeds. For example, the P0248SC12 series may differ in peak reverse voltage (VDRM) or gate trigger requirements. Always refer to the datasheet to match specifications like VDRM, IT(RMS), and tq to your application’s needs.

**3. What voltage and current ratings do these thyristors support?**
Models like P0248SC12 and P0273SC12 typically handle voltages up to 1200V (indicated by “12” in the part number) and currents up to 270–300A. The P0306SC08 series supports 800V (“08”) with similar high-current capabilities. Exact ratings vary by model—verify IT(RMS), ITSM, and VDRM in the datasheet.

**4. Do these thyristors require special thermal management?**
Yes. Fast switching generates heat, so proper heatsinking and thermal interface materials are critical. Ensure junction temperatures stay within the rated range (typically -40°C to +125°C). Use snubber circuits to reduce voltage spikes and minimize thermal stress during rapid turn-off.

**5. What advantages do these thyristors offer over standard SCRs?**
They feature faster turn-off times (microseconds), reducing switching losses and enabling higher-frequency operation. This improves efficiency in applications like renewable energy systems or UPS units. Their rugged construction also ensures high surge current tolerance (ITSM) and reliability in harsh environments.

Always consult the manufacturer’s datasheet for precise electrical characteristics, mounting guidelines, and derating curves to optimize performance and longevity.

(Fast Turn Off Thyristors P0248SC12D P0248SC12E P0248SC12F P0273SC12D P0273SC12E P0273SC12F P0306SC08A P0306SC08B P0306SC08C)