A transient voltage suppressor, or TVS, is a protective device used to protect circuits from sudden spikes in voltage or current. It mainly uses to protect a circuit from overvoltage through placing these TVS devices in parallel with the circuit.
In this article, there are the top 10 global TVS diode manufacturers for you to take a reference.
TOP 10 global TVS diode manufacturers

Headquarters | Waldenburg, Germany |
Established time | 1971 |
Website | https://www.we-online.com/en |
Wuerth Elektronik ICS offers printed circuit board-based solutions for power boards, display and control panels and electronic controls (ICCS). The company supports its customers in industry and the automotive market from the initial idea to serial production of the product and beyond.

Headquarters | Arizona, USA |
Established time | 1992 |
Website | https://protekdevices.com/ |
ProTek Devices is a leading semiconductor manufacturer of a wide range of high-performance TVS protection products. Its business scope includes Transient Voltage Suppressor arrays (TVS arrays), Steering Diode/TVS arrays, Steering Diodes, Thyristors, Component Modules, SurgeBuster Modules, Chipscale TVS Arrays and EMI Filter/TVS Arrays.

Headquarters | California, USA |
Established time | 1983 |
Website | https://www.analog.com/en/ |
Maxim Integrated, a subsidiary of Analog Devices, designs, manufactures, and sells analog and mixed-signal integrated circuits for the automotive, industrial, communications, consumer, and computing markets. Maxim’s product portfolio includes power and battery management ICs, sensors, analog ICs, interface ICs, communications solutions, digital ICs, embedded security, and microcontrollers.

Headquarters | California, USA |
Established time | 1960 |
Website | https://www.semtech.com/ |
Semtech Corporation is a high-performance semiconductor, IoT systems and Cloud connectivity service provider dedicated to delivering high-quality technology solutions. It offers a broad portfolio of low-capacitance TVS arrays to safeguard high-speed data interfaces from transient voltage threats.

Headquarters | Texas, USA |
Established time | 1959 |
Website | https://www.diodes.com/ |
Diodes Incorporated (Nasdaq: DIOD) is a leading global manufacturer and supplier of high-quality application-specific standard products within the broad discrete, logic, analog, and mixed-signal semiconductor markets. Diodes serves the automotive, industrial, computing, consumer electronics, and communications markets.

Headquarters | South Carolina, USA |
Established time | 1922 |
Website | Home |
KYOCERA AVX is a leading international manufacturer and supplier of a vast portfolio of advanced electronic components, including capacitors, inductors, filters, resistors, couplers, diodes, and circuit protection devices, as well as a broad range of innovative sensors, control, connectors and antenna solutions.

Headquarters | Geneva, Switzerland |
Established time | 1987 |
Website | https://www.st.com/ |
STMicroelectronics NV (STM) is a manufacturer and provider of semiconductors. The company develops, and markets a wide range of products including discrete and standard commodity components, custom devices and semi-custom devices and application-specific standard and integrated circuits.

Headquarters | Lancaster Ave, USA |
Established time | 1962 |
Website | https://www.vishay.com/ |
Vishay is one of the world’s most trusted manufacturers of electronic components. It manufactures discrete semiconductors and passive electronic components that are essential to innovative designs in the automotive, industrial, computing, consumer, telecommunications, military, aerospace, and medical markets.

Headquarters | Chicago, USA |
Established time | 1927 |
Website | https://www.littelfuse.com/ |
Founded in 1927, Littelfuse is an American electronic manufacturing company headquartered in Chicago, Illinois. The company primarily produces circuit protection products but also provides power semiconductors, heavy-duty switches, magnetic, optical, electromechanical, and temperature sensors, as well as products that provide safe control and distribution of electrical power.

Headquarters | Arizona, USA |
Established time | 1999 |
Website | https://www.onsemi.com/ |
ON Semiconductor Corp (Onsemi) is a designer, manufacturer, and supplier of semiconductor products and solutions. The company offers products under Power Solutions Group (PSG), the Advanced Solutions Group (ASG) and the Intelligent Sensing Group (ISG).
A transient voltage suppressor, or TVS, is a protective device used to protect circuits from sudden spikes in voltage or current.
Applications for TVS diodes can be found in data and signal lines, microprocessors and MOS memories, AC/DC power lines and telecommunications equipment
- Reverse Stand-Off Voltage
- Reverse Breakdown Voltage
- Clamping Voltage
- Junction Capacitance
A TVS diode, or Transient Voltage Suppression diode, is a protective component used to safeguard electronic circuits from sudden voltage spikes, such as those caused by lightning or electrical surges. It works by clamping excess voltage to a safe level, thereby preventing damage to sensitive components. When a voltage spike occurs, the TVS diode quickly redirects the surge away from the circuit, essentially absorbing and dissipating the excess energy. This helps maintain the reliability and longevity of electronic devices by protecting them from potentially destructive transient voltages.
The main difference between TVS (Transient Voltage Suppression) diodes and Zener diodes lies in their primary functions and response to voltage. TVS diodes are designed specifically to protect circuits from sudden, high-energy voltage spikes by clamping the voltage to a safe level during transient events, like surges or lightning strikes. In contrast, Zener diodes are used primarily for voltage regulation and stable reference, maintaining a constant voltage across them even under varying current conditions. While both types of diodes manage voltage, TVS diodes are focused on protecting against transients, while Zener diodes regulate voltage in steady-state applications.
The difference between a TVS diode and a Schottky diode lies in their primary purposes and operating characteristics. A TVS diode is specifically designed to protect electronic circuits from transient voltage spikes, like those caused by surges or lightning, by quickly clamping the excess voltage to a safe level. On the other hand, a Schottky diode is known for its low forward voltage drop and fast switching speed, making it ideal for high-frequency applications and efficient power rectification. Essentially, while TVS diodes are focused on surge protection, Schottky diodes are used to improve performance in circuits by minimizing voltage loss and switching delays.
Last updated on September 12th, 2024 at 06:36 am














