CSPD Family
SHC Series
The SHC Series is a multifunctional overvoltage protection component designed specifically for various industrial automation applications. Below is a detailed introduction to the SHC Series.

Series Features
Complies with IEC61000-4-5 overvoltage standards
Ultra-small size
The SHC series was developed to address space constraints on circuit control boards in the industrial control industry, offering the smallest size of overvoltage protection component in the industry specifically designed for lightning protection in industrial applications.
Massive energy
The SHC series was developed to meet the energy requirements of circuit control boards in the industrial control industry, offering the highest energy-handling overvoltage protection component in the industry for lightning protection in industrial applications.
Product Features
0805in ~ 3220in
Voltage: 5V ~ 100V
Surge Voltage Capability (1.2/50us): 0.5KV ~ 36KV
Surge Current Capability (8/20us): 250A ~ 18KA
Operating Temperature: -55°C ~ 125°C
Compliant with IEC61000-4-5
Series Advantages
Compact size, high energy handling, and aging-resistant
Space-saving compact design
To address space constraints in industrial control products, the SHC series is currently the smallest protection component in the industry, effectively reducing PCB footprint.
Fast conduction, high energy handling
To meet the high energy demands of industrial control products, the SHC series features pure silver internal electrodes that enhance conductivity, enabling rapid dissipation of surge energy.
Surge resistance and anti-aging
Traditional solutions (such as DIP varistors) tend to degrade significantly after energy surges. The SHC series utilizes a current-sharing process to effectively reduce aging and enhance durability.
Product Specifications
Part Number | Working Voltage | Breakdown Voltage | Clamping Voltage | Surge Current | Capacitance |
---|---|---|---|---|---|
Symbol | VDC(max.) | VB(1mA) | VC(MAX.) | IPeak(8/20us) | Cap.(1KHz) |
0805SC180-181A | 14V | 18V(±10%) | 30V | 180A | 520pF |
0805SC240-181A | 18V | 24V(±10%) | 45V | 180A | 320pF |
0805SC470-181A | 38V | 47V(±10%) | 85V | 180A | 150pF |
1206SC120-501A | 9V | 12V(12~20) | 30V | 500A | 3500pF |
1206SC240-501A | 18V | 24V(±10%) | 45V | 500A | 2300pF |
1206SC470-501A | 38V | 47V(±10%) | 85V | 500A | 690pF |
1206SC560-102A | 45V | 56V(±10%) | 90V | 1000A | 800pF |
1206SC750-501A | 60V | 75V(±10%) | 100V | 500A | 300pF |
1210SC101-401A | 85V | 100V(±10%) | 165V | 400A | 250pF |
1210SC101-102A | 85V | 100V(±10%) | 165V | 400A | 250pF |
1210SC240-102A | 18V | 24V(±10%) | 45V | 1000A | 2300pF |
1210SC470-102A | 38V | 47V(±10%) | 85V | 1000A | 1550pF |
1210SC680-102A | 56V | 68V(±10%) | 90V | 1000A | 950pF |
1210SC750-102A-UL | 60V | 75V(±10%) | 100V | 1000A | 930pF |
1210SC750-122A-UL | 60V | 75V(+0%~+10%) | 100V | 1200A | 930pF |
1210SC750-182A | 60V | 75V(±10%) | 100V | 1800A | 980pF |
1210SC820-122A | 65V | 82V(±10%) | 135V | 1200A | 800pF |
1812SC240-202A | 18V | 24V(±10%) | 45V | 2000A | 4500pF |
1812SC470-202A | 38V | 47V(±10%) | 85V | 2000A | 2100pF |
1812SC750-202A | 60V | 75V(±10%) | 100V | 2000A | 1650pF |
2220SC240-103A | 16V | 24V(24~30) | 45V | 10000A | 18000pF |
2220SC240-302A | 18V | 24V(±10%) | 45V | 3000A | 5500pF |
2220SC470-302A | 38V | 47V(±10%) | 85V | 3000A | 8000pF |
2220SC470-502A | 38V | 47V(±10%) | 85V | 5000A | 9900pF |
2220SC470-802A | 38V | 47V(±10%) | 85V | 8000A | 7500pF |
2220SC680-802A | 56V | 68V(±10%) | 100V | 8000A | 5600pF |
2220SC750-302A | 60V | 75V(±10%) | 100V | 3000A | 2000pF |
2220SC750-502A | 60V | 75V(±10%) | 100V | 5000A | 2700pF |
2220SC820-452A | 65V | 82V(±10%) | 135V | 4500A | 4800pF |
2220SC820-602A | 65V | 82V(±10%) | 135V | 6000A | 3500pF |
3220SC240-132A | 18V | 24V(±10%) | 45V | 12000A | 22000pF |
Application Scenarios
Industrial Automation and Control Systems
PLC (Programmable Logic Controller) I/O Interfaces: The input/output terminals that control equipment are easily affected by surges in industrial environments.
RS-485 / RS-232 / CAN Bus Communication: Long-distance data transmission in industrial environments is prone to overvoltage caused by lightning-induced surges.
Remote Sensors and Control Devices: Devices such as smart meters and hydrological monitoring equipment are typically deployed outdoors, making them susceptible to lightning strikes.
RS-485 / RS-232 / CAN Bus Communication: Long-distance data transmission in industrial environments is prone to overvoltage caused by lightning-induced surges.
Remote Sensors and Control Devices: Devices such as smart meters and hydrological monitoring equipment are typically deployed outdoors, making them susceptible to lightning strikes.
Medical Electronic Devices
Medical Power Modules (DC-DC Converters): Medical equipment requires a stable power supply, but lightning strikes can cause surges that may affect device operation.
Remote Monitoring Devices (ECG, Glucose Monitors): Outdoor or remote devices are connected to hospital servers via wireless or wired communication.
Remote Monitoring Devices (ECG, Glucose Monitors): Outdoor or remote devices are connected to hospital servers via wireless or wired communication.
Consumer Electronics and IoT Devices
Smart home devices (smart locks, cameras, smart sockets) can be affected by lightning via Wi-Fi, PoE, or power lines.
Solar IoT devices (e.g., solar streetlights, remote monitoring stations) are susceptible to lightning via long-distance power and data lines.
Outdoor electronic signage and LED displays are typically exposed in open areas with high lightning risk.
Solar IoT devices (e.g., solar streetlights, remote monitoring stations) are susceptible to lightning via long-distance power and data lines.
Outdoor electronic signage and LED displays are typically exposed in open areas with high lightning risk.
Renewable Energy and Storage Systems
Solar power systems (PV inverters, MPPT controllers) may be affected by lightning via cables between solar panels and controllers.
Wind power systems installed at high elevations are especially vulnerable to lightning strikes.
Storage systems (Battery Management Systems, BMS) may suffer reduced lifespan or malfunction due to high-voltage surges.
Wind power systems installed at high elevations are especially vulnerable to lightning strikes.
Storage systems (Battery Management Systems, BMS) may suffer reduced lifespan or malfunction due to high-voltage surges.
The industrial control industry operates in various environments, where lightning strikes and surges can cause serious damage to equipment and systems. Therefore, lightning and surge protection is critically important.