Protection Devices

ST's protection devices provide solutions to meet the international standards for electrical hazards on electronics boards.

They are designed to give robustness and reliability at the highest standards levels, while keeping full signal integrity. This is also supported by our ongoing efforts to minimize package size, leakage currents and layout efforts.

Our leading position in demanding markets, including the automotive, computer, consumer, industrial and telecom segments, is based on application expertise and leading-edge technologies such as:

  • High-current crowbar protection for lightning surges
  • High-efficiency clamping protection for power surges and ESD
  • Application-specific protection: serial current limiter, thermal shutdown, CMOS and SPI interface compability

ST's large protection portfolio brings immunity, flexibility and reliability to our customers' electronic systems.



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ESDAXLC6-1MY2 small 0402, ultra-low capacitance ESD protection
for signal-integrity sensitive and high-speed applications

HSP061-8M16: high-speed differential line protection
The smallest 8-channel ESD array with rail-to-rail architecture

USBULC6-3F3: 3-line ESD protection with low capacitance
for high-speed USB interfaces

ESDA-1K pushes out the limits of power density
For charger and battery ports

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