Notebook

1.1 Electrostatic and Surge Protection Using LANTSPD-C8 & WPE3V3D3ULA

This solution is applicable for transmission rates of 10Mbps/100Mbps/1000Mbps/2.5Gbps/5Gbps. The secondary stage utilizes a compact SOD-323 low-capacitance ESD suppressor, providing ESD protection up to 30KV, effectively preventing interference caused by static electricity. The primary stage employs a semiconductor discharge tube in conjunction with an RC circuit, effectively providing common-mode surge protection up to 8KV (10/700μs).

Compliant Standards: ESD IEC 61000-4-2 Level 4, Surge IEC 61000-4-5 Level 4 (Communication Combination Wave)

2.1 Electrostatic and Surge Protection Using WPT5V0D1MF & WPE05VN92ULA

USB 2.0 typically employs line-to-ground electrostatic and surge protection technology, with a maximum signal rate of 480Mbit/s. A TVS diode in an SOD-123FL package is used between VCC and GND, providing ESD protection up to 30KV. The signal lines are protected by a low-capacitance ESD suppressor in a compact DFN1006-3L package, offering ESD protection up to 20KV.

Compliant Standards: ESD IEC 61000-4-2 Level 4, Surge IEC 61000-4-5

3.1 Electrostatic and Surge Protection Using WPE5V0N16AT1L1 & CLAMP0521PSCR1

Compared to previous versions, the USB 3.2 interface features a faster transmission rate, with data transfer speeds up to 10Gbps. It adds SSRX+/SSRX-/SSTX+/SSTX- differential signal pairs internally, requiring enhanced electrostatic discharge and surge protection capabilities. The signal lines are protected by ultra-low capacitance ESD suppressors in a chip-scale CSP0603-2L package, which occupies minimal PCB area and provides ESD protection up to 20KV. Vbus is protected by an ESD suppressor in a compact DFN1610 package, offering ESD protection up to 25KV.

Compliant Standards: ESD IEC 61000-4-2 Level 4, Surge IEC 61000-4-5

4.1 Electrostatic and Surge Protection Using CLAMP0521PSCR1 & WPEXXXN16AT1L1 Series

The USB 3.2 Gen 2x2 protocol with a Type-C interface supports a signal transmission rate of up to 20Gbps and is compatible with the PD fast charging protocol, supporting up to 20V/5A. Type-C not only enhances data transfer rates but also increases power transmission capacity. The signal lines are protected by ultra-low capacitance ESD suppressors in a chip-scale CSP0603-2L package, which occupies minimal PCB area and provides ESD protection up to 20KV. Vbus is protected by an ESD suppressor in a compact DFN1610 package, offering ESD protection up to 25KV.

Compliant Standards: ESD IEC 61000-4-2 Level 4, Surge IEC 61000-4-5

5.1 Electrostatic and Surge Protection Using WPE5V0N16AT1L1 & CLAMP0521PSCR1

The widely used HDMI 2.1 interface currently supports a maximum transmission rate of up to 48Gbps. Given the high-speed, multi-channel signal transmission of the HDMI interface, it is essential to prevent ESD transient pulses from interfering with normal HDMI communication during product use, which could potentially damage the HDMI interface control chip. The signal lines are protected by ultra-low capacitance ESD suppressors in a chip-scale CSP0603-2L package, which occupies minimal PCB area and provides ESD protection up to 20KV. The 5V Power line is protected by an ESD suppressor in a compact DFN1610 package, offering ESD protection up to 25KV.

Compliant Standards: ESD IEC 61000-4-2 Level 4, Surge IEC 61000-4-5

6.1 Electrostatic and Surge Protection Using ESD5B5CL

The headphone jack outputs AC power, with voltage related to volume, a maximum amplitude of 1V, and an operating frequency of less than 30kHz. The signal lines are protected by an ESD suppressor in a compact SOD-523 package, providing ESD protection up to 20KV.

Compliant Standards: ESD IEC 61000-4-2 Level 4, Surge IEC 61000-4-5

7.1 Using WPE24VN16AT1L1 for 24V DC Port ESD and Surge Protection

When charging through the DC input interface, the metal parts are often affected by external surges or static electricity. Protection is achieved by connecting protective devices in parallel between the power supply + and power supply -. An ESD suppressor with a small DFN1610 package is used for protection, offering an ESD protection capability of up to 25KV.

Compliant with standards: ESD IEC 61000-4-2 Level 4, Surge IEC 61000-4-5

8.1 ESD and Surge Protection Using CLAMP0504DT

SD cards are a new generation of memory devices based on semiconductor flash memory. Due to frequent hot-swapping, they are highly susceptible to electrostatic discharge, with transmission speeds reaching up to 312MB/s. Protection is provided by a small-package SOT23-6L array ultra-low capacitance ESD suppressor, offering ESD protection up to 30KV.

Compliant with standards: ESD IEC 61000-4-2 Level 4, Surge IEC 61000-4-5