Custom and Bulk Overvoltage Protection Devices for Automotive, Industrial, Power, and Communication Applications
To meet different circuit protection demands, this product range includes several overvoltage suppressor categories for voltage spikes, electrostatic discharge, surge events, and interface-level protection. Selection can be based on response speed, capacitance, surge capability, application environment, and circuit design requirements.
PROSEMI Transient Voltage Suppression (TVS) Diodes are designed to protect sensitive electronic components from voltage spikes and transient surges. By clamping high voltages to a safe level, these diodes prevent damage caused by electrostatic discharge (ESD), lightning strikes, and other sudden voltage fluctuations that may occur in power lines or communication networks.
PROSEMI TVS Diodes are suitable for a wide range of applications, including consumer electronics, automotive circuits, telecommunications, and industrial systems. With fast response time and excellent energy absorption capability, they ensure long-term reliability and durability of electronic devices.
Available in various voltage ratings and package configurations, PROSEMI TVS Diodes provide effective and cost-efficient protection for your circuits—maintaining optimal performance while preventing potential transient damage.
The PROSEMI Electrostatic Discharge (ESD) Suppressor is designed to protect sensitive electronic components from the damaging effects of electrostatic discharge. By quickly diverting and dissipating ESD energy, these suppressors prevent circuit failure, ensuring the reliability and longevity of your devices in environments prone to static buildup.
Ideal for consumer electronics, automotive applications, telecommunications, and industrial systems, the PROSEMI ESD Suppressor offers fast response times, low clamping voltage, and high energy absorption, effectively safeguarding sensitive components such as microchips, sensors, and communication lines.
With various configurations and voltage ratings available, the PROSEMI ESD Suppressor is a cost-effective solution for protecting your circuits from electrostatic damage, helping maintain stable performance and enhancing the durability of your electronic products.
The PROSEMI Polymer ESD Suppressor is designed to offer robust protection against electrostatic discharge (ESD) for sensitive electronic components. Utilizing advanced polymer materials, these suppressors provide fast, efficient clamping of ESD events, preventing potential damage to circuits and ensuring the longevity and reliability of your devices.
Perfect for applications in consumer electronics, automotive systems, telecommunications, and industrial electronics, the PROSEMI Polymer ESD Suppressor is optimized for low clamping voltage and high energy absorption, making it highly effective in environments where ESD risks are prevalent.
Compact, reliable, and cost-effective, the PROSEMI Polymer ESD Suppressor ensures your components are safeguarded from electrostatic discharge, maintaining stable performance and preventing costly damage to critical circuit elements.
| Category | Main Function | Response Speed | Surge Handling Capability | Capacitance Level | Typical Applications | Highlights |
|---|---|---|---|---|---|---|
| Transient Voltage Suppressor Diode (TVS Diode) | Clamp transient surges and voltage spikes | Nanoseconds (ns) | Medium to High | Low to Medium | Consumer electronics, power modules, automotive electronics, communication devices | Fast clamping, low clamping voltage, good for general surge protection |
| KA Transient Voltage Suppressor | Enhanced TVS series with higher reliability | Nanoseconds (ns) | Medium to High | Low | Automotive electronics, industrial power systems, communication modules | Wide voltage range, robust surge absorption, high reliability |
| Electrostatic Discharge Suppressor (ESD Diode) | Protect circuits from ESD strikes | Sub-nanoseconds | Low | Ultra-low | USB, HDMI, RF circuits, mobile devices | Minimal signal loss, ideal for high-speed interfaces |
| Polymer ESD Suppressor | ESD absorption using polymer material | Fast (ns) | Low | Ultra-low | High-speed data lines, consumer electronics, portable devices | Flexible, durable, repeatable ESD protection |
| PLED (Protective LED Driver Element) | Protect LED strings from reverse damage; ensure LED continuity | Fast | Low | Low | LED lighting, display panels, automotive LED modules | Prevents LED open-circuit failures, maintains brightness continuity |
| Thyristor Surge Suppressor (TSS) | Protect telephone lines / communication circuits | Fast triggering | Medium | Low | Telecom lines, industrial interfaces, power line control | Precise trigger voltage, automatic reset |
| Gas Discharge Tube (GDT) | Divert high-energy lightning surges | Microseconds (µs) | Extremely high | Very low | Telecom networks, base stations, lightning protection, power networks | Best for high-energy surges, long-term durability |
A wide range of standard current sensing resistor series for customers who need fast selection and quick project integration. Suitable for projects with clear specifications and stable sourcing requirements.
Custom development support for resistance value, package, power rating, low TCR, automotive-grade, and special structural requirements. Designed for projects that need better application fit and tailored performance
Product recommendations based on actual application needs such as BMS, EV, charging systems, power supplies, industrial control, and consumer electronics. We help customers choose more suitable resistor solutions for their projects.
Support from model selection and datasheets to samples, bulk orders, and quality coordination. PROSEMI helps customers improve development efficiency and supply reliability from start to finish.
Automotive electronic systems often require overvoltage protection devices for ECU, sensors, communication lines, and power interfaces that may face harsh electrical conditions and repeated surge events. Buyers in this sector usually focus more on reliability, fast response, and stable project supply.
Consumer electronic products usually need compact overvoltage protection devices that can help protect sensitive internal circuits without adding excessive board complexity. Procurement in this field often emphasizes package size, response speed, and suitability for high-volume production.
Industrial equipment commonly uses overvoltage protection devices in control systems, power interfaces, and communication ports where stable performance and reliable circuit protection are important for continuous operation. Buyers often pay close attention to product durability and consistent supply support.
Communication systems and interface circuits usually require low-capacitance protection devices that can reduce the risk of ESD damage while minimizing signal interference. Customers in this segment often prioritize interface compatibility, protection stability, and application matching.
Power supplies and adapter circuits often need surge and transient protection to help prevent damage caused by voltage spikes during switching or unstable power conditions. Procurement in this area typically focuses on fast clamping response, circuit protection reliability, and practical supply support.
Charging systems and new energy applications usually involve load variation, repeated operating cycles, and demanding electrical environments, making reliable overvoltage protection especially important. Buyers in this field often value stable protection performance, project matching, and long-term bulk supply capability.
Prosemi Technology, as a leading company in the field of precision current sensing components, is dedicated to providing customers with high-performance and high-reliability solutions. Our precision alloy current-sensing resistors, including SMD current sense chip resistors and shunt resistors, are designed for a variety of applications, helping your products achieve accurate current detection and efficient energy management.
PROSEMI operates modern facilities with controlled environments to ensure stable quality and efficient production, from raw materials to final assembly.
Automated and semi-automated production lines ensure consistent performance, with continuous monitoring to maintain strict quality standards.
Certified to ISO9001, ISO14001, and IATF16949, with AEC-Q200 compliant products available for automotive and high-reliability applications.
We are a manufacturer and supplier of overvoltage protection devices, supporting standard product supply and project-based sourcing for automotive, industrial, consumer, communication, and power applications.
Yes. We support custom development based on package type, working voltage, protection level, application environment, and project-specific requirements for OEM and ODM cooperation.
Yes. Samples are available for testing, evaluation, and project verification before bulk purchasing.
Yes. We support bulk orders for both standard and custom overvoltage protection device projects, with stable supply for long-term cooperation.
For ESD-sensitive ports and communication interfaces, ESD suppressors or polymer ESD suppressors are usually more suitable, depending on signal requirements and circuit design needs.
TVS diodes are commonly used for surge and transient voltage protection in automotive, industrial, power, and communication circuits where fast response and reliable clamping performance are important.
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