SOCAY, as a leading enterprise in the field of circuit protection devices in China, has been dedicated to providing customers with a full range of circuit protection components and one-stop solutions since its establishment in 2004. Its product matrix covers multiple dimensions such as overvoltage protection, overcurrent protection, and electromagnetic compatibility (EMC) optimization, with outstanding technical highlights and a wide range of application scenarios, forming a complete closed loop from component level protection to system level solutions. The following analysis is conducted from three dimensions: product classification, technological advantages, and application areas:
1、 Core product matrix: Six major categories of products covering all scenario requirements
Shuokai's product system can be divided into six categories, forming support for the full chain protection of electronic devices:
Overvoltage protection device
Ceramic gas discharge tube (GDT): voltage coverage of 75V to 6kV, surge current withstand capacity of 20kA to 150kA, inter electrode capacitance as low as 1pF, response time ≤ 100ns. Typical models such as UN3E6-600MM, packaged with a diameter of 6 × 8.5mm, suitable for lightning protection of communication equipment.
Transient Suppression Diode (TVS): including ESD static diodes such as DFN0603-2L series, with a junction capacitance as low as 0.5pF and a response speed of up to 1ns, widely used for HDMI and USB interface protection.
Semiconductor Solid State Discharge Tube (TSS): non-polar design, low insertion loss, suitable for high-frequency signal line protection.
Varistor (MOV): such as 20D561K, used for surge protection of street lamp power supply, with a voltage range from 18V to 180V and an energy tolerance of 100J.
overcurrent protective device
Self healing fuse (PPTC): such as SC60-010, rated voltage 60V, maximum continuous current 100mA, made of polymer material, can cut off overload current within milliseconds and automatically recover within seconds, suitable for power management of consumer electronics and communication equipment.
Thermistor (NTC): such as SOCAY NTC series, used in the field of temperature measurement, with an accuracy of ± 1% and a response time of ≤ 5s.
Diode and rectifier devices
Schottky diode: low forward voltage drop (0.3V), suitable for high-frequency rectification circuits.
Rectifying diode: covering current levels of 1A to 10A, used for power modules and low-power circuits.
EMC devices
Surface mount magnetic beads: Impedance range of 60 Ω to 3000 Ω, used to suppress electromagnetic interference and improve device compatibility.
Glass gas discharge tube (SPG)
Voltage range of 90V to 800V, surge current of 5kA, suitable for lightning protection of automotive electronics and security equipment.
sensor
Temperature sensor: NTC thermistor series, supports temperature monitoring in the range of -40 ℃ to 150 ℃, with an accuracy of ± 0.5 ℃.
2、 Technical advantage: equal emphasis on material innovation and process breakthroughs
The technological barriers of Shuokai are reflected in three aspects:
Breakthrough in Materials Science
Ceramic gas discharge tube: using metalized ceramic insulator and electrode welding technology to ensure airtightness, optimize gas types and pressures, and improve working stability.
Self recovery fuse: using thermosensitive polymer material, achieving fast response (milliseconds) and efficient recovery (seconds), with a lifespan of over 100000 cycles.
Packaging process innovation
Compact packaging: such as DFN0603-2L (0.6mm × 0.3mm), suitable for compact circuit designs, such as smartphones and wearable devices.
High reliability packaging: Ceramic plug-in slow melting fuse can withstand high temperature (150 ℃) vibration, complies with IEC 60068-2-6 standard, and is suitable for industrial control.
System level solution
EMC laboratory support: provides full process services from circuit design to testing, such as signal integrity analysis and surge immunity testing.
Customized protection plan: Combining with the FAE engineering team, we provide a complete solution from component selection to layout optimization based on customer needs, such as collaborative protection of power modules and signal lines.
3、 Application scenario: Deep empowerment of eight major industries
Shuokai's products are widely used in eight major fields, forming a three-level support system of "component module system":
communication devices
Ceramic gas discharge tubes are used for lightning protection in Cable TV and ADSL equipment, and TVS diodes protect HDMI and USB interfaces. Typical case: Providing GDT+TVS combined protection for 5G base stations, increasing surge tolerance by 50%.
Consumer Electronics
Self recovering fuses are used for power management in mobile phones and televisions, and ESD diodes are used to protect static sensitive components. Typical case: Providing a USB interface protection solution for laptops, with an electrostatic tolerance of up to 8kV.
Industrial control
Combination of varistors and thermistors for industrial power surge suppression and temperature monitoring. Typical case: Providing comprehensive protection against overvoltage and overcurrent for PLC, reducing the failure rate by 80%.
Automotive Electronics
Glass gas discharge tube (SPG) and TVS diode protect the car entertainment system and control unit. Typical case: Providing protection for the Battery Management System (BMS) of new energy vehicles, with a working temperature range of -40 ℃ to 125 ℃.
Security and Medical
Ceramic discharge tubes are used for lightning protection in security equipment, and NTC thermistors are used to monitor the temperature of medical equipment. Typical case: Providing power protection for electrocardiographs with a surge tolerance of 4kV.
Power module
The varistor and self recovering fuse work together to provide dual protection against overvoltage and overcurrent. Typical case: Providing protection for power adapters, increasing efficiency by 10%.
EADS
Ceramic gas discharge tubes are used for lightning protection of satellite communication equipment and ESD diode protection of electrostatic sensitive components. Typical case: Providing protection for spacecraft power systems, withstanding radiation doses up to 100kRad.
new energy
Varistors are used for surge suppression in photovoltaic inverters to enhance system stability. Typical case: To provide protection for photovoltaic power plants, the time between failures (MTBF) has been extended to 50000 hours.
4、 Strategic layout: combining localized services with industry certification
Shuokai promotes market expansion through its "dual wheel drive" strategy:
Localized service: Supported by the Shenzhen headquarters, we provide one-stop circuit protection solutions covering the entire process of design, selection, and testing.
Industry certification: The product has passed certifications such as ISO 9001, AEC-Q200, IEC 61000-4-5, etc., meeting automotive electronics and industrial standards.
Customization capability: Relying on EMC laboratory, we provide complete services from design to testing according to customer needs, shortening the research and development cycle by 50%.
In summary, SOCAY has become a benchmark enterprise in the domestic circuit protection field with its full range of circuit protection devices, material level innovation, and industry solution capabilities. Its products not only support daily scenarios from consumer electronics to new energy vehicles, but also play a key role in cutting-edge fields such as 5G communication and Industry 4.0.