Overview
The ESD351DPYR is a 1-channel electrostatic discharge (ESD) protection diode manufactured by Texas Instruments. This device is designed to provide robust ESD protection for high-speed signal lines, particularly in USB 2.0 applications. It features a low clamping voltage and ultra-low dynamic resistance, making it ideal for protecting ESD-sensitive pins in various electronic devices.
The ESD351DPYR is packaged in an industry-standard 0402 (X1SON) package, measuring 0.6 mm x 1.0 mm, which facilitates easy integration into existing layouts with minimal modification. The device operates over an industrial temperature range of -40°C to +125°C, ensuring reliability in diverse environmental conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| ESD Protection (Contact and Air) | ±30 kV | |
| IEC 61000-4-4 EFT Protection | 80 A (5/50 ns) | |
| IEC 61000-4-5 Surge Protection | 6 A (8/20 µs) | |
| Capacitance (I/O Pin to GND) | 1.8 pF (Typical), 2.2 pF (Maximum) | pF |
| DC Breakdown Voltage | 4.5 V (Minimum) | V |
| Leakage Current | 0.1 nA (Typical), 50 nA (Maximum) | nA |
| Clamping Voltage (TLP) | 6.5 V at 16 A | V |
| Dynamic Resistance (RDYN) | 0.1 Ω | Ω |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package Type | 0402 (X1SON) | |
| Package Size | 0.6 mm x 1.0 mm | mm |
Key Features
- IEC 61000-4-2 Level 4 ESD Protection: ±30 kV Contact and Air Discharge
- IEC 61000-4-4 EFT Protection: 80 A (5/50 ns)
- IEC 61000-4-5 Surge Protection: 6 A (8/20 µs)
- Ultra-low Dynamic Resistance (RDYN): 0.1 Ω
- Extremely Low Clamping Voltage: 6.5 V at 16 A TLP
- Low Capacitance: 1.8 pF (Typical)
- Low Leakage Current: 0.1 nA (Typical)
- Industrial Temperature Range: -40°C to +125°C
- Industry Standard 0402 Package (X1SON)
Applications
- USB 2.0/1.1 Interfaces
- GPIO and Pushbuttons
- Audio Interfaces
- Wearables
- Industrial and Service Robots
- Laptops and Desktops
- Mobile and Tablets
- Set-Top Boxes, DVR and NVR
- TV and Monitors
- EPOS (Electronic Point of Sale)
Q & A
- What is the ESD protection level of the ESD351DPYR?
The ESD351DPYR provides ±30 kV ESD protection for both contact and air discharge according to the IEC 61000-4-2 standard.
- What is the typical capacitance of the ESD351DPYR?
The typical capacitance of the ESD351DPYR is 1.8 pF.
- What is the clamping voltage of the ESD351DPYR during an ESD event?
The clamping voltage is 6.5 V at 16 A TLP.
- What is the dynamic resistance (RDYN) of the ESD351DPYR?
The dynamic resistance (RDYN) is 0.1 Ω.
- What is the operating temperature range of the ESD351DPYR?
The operating temperature range is -40°C to +125°C.
- In what package is the ESD351DPYR available?
The ESD351DPYR is available in an industry-standard 0402 (X1SON) package.
- What are the key applications of the ESD351DPYR?
The ESD351DPYR is used in USB 2.0 interfaces, GPIO, pushbuttons, audio interfaces, wearables, industrial robots, laptops, mobile devices, set-top boxes, DVR and NVR, TV and monitors, and EPOS systems.
- Does the ESD351DPYR require any power supply?
No, the ESD351DPYR is a passive ESD device and does not require any power supply.
- What are the layout guidelines for the ESD351DPYR?
The optimum placement is as close to the connector as possible to ensure effective ESD protection.
- What is the maximum peak pulse power of the ESD351DPYR?
The maximum peak pulse power is 16 A.
