Overview
The ESDS304DBVR from Texas Instruments is a uni-directional TVS (Transient Voltage Suppressor) ESD protection diode array designed to protect high-speed interfaces such as Ethernet and USB from electrostatic discharge (ESD) and surge events. This device is part of the ESDS304 series, which features four channels of protection in a compact 5-pin SOT-23 package. It is engineered to provide robust protection against ESD strikes up to ±30kV and surge currents up to 12A (8/20μs), making it an excellent choice for various end equipment and interfaces.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| ESD Protection (IEC 61000-4-2) | ±30kV | V |
| Surge Protection (IEC 61000-4-5) | 12A (8/20μs) | A |
| Surge Clamping Voltage | 6V at 12A Ipp | V |
| IO Capacitance | 2.3pF (typical) | pF |
| DC Breakdown Voltage | 4.5V (minimum) | V |
| Leakage Current | 3nA (typical) | nA |
| Operating Temperature Range | –40°C to +125°C | °C |
| Package Type | SOT-23-5 |
Key Features
- IEC 61000-4-2 level 4 ESD protection: ±30kV contact and air gap discharge
- IEC 61000-4-4 EFT protection: 80 A (5/50ns)
- IEC 61000-4-5 surge protection: 12A (8/20μs) with low surge clamping voltage of 6V at 12A Ipp
- Ultra-low IO capacitance: 2.3pF (typical)
- Ultra-low leakage current: 3nA (typical)
- Supports high-speed interfaces up to 1 Gbps
- Industrial temperature range: –40°C to +125°C
- Easy flow-through routing package
Applications
- End equipment: Ethernet switches, access points, gateways, printers, DVR and NVR
- Interfaces: Ethernet 10/100/1000 Mbps, USB 2.0, GPIO
Q & A
- What is the ESD protection level of the ESDS304DBVR?
The ESDS304DBVR provides ESD protection up to ±30kV contact and air gap discharge according to IEC 61000-4-2 level 4. - What is the surge protection capability of the ESDS304DBVR?
The device can handle surge currents up to 12A (8/20μs) and has a low surge clamping voltage of 6V at 12A Ipp. - What is the typical IO capacitance of the ESDS304DBVR?
The typical IO capacitance is 2.3pF. - What is the operating temperature range of the ESDS304DBVR?
The operating temperature range is –40°C to +125°C. - What types of interfaces does the ESDS304DBVR support?
The device supports high-speed interfaces such as Ethernet 10/100/1000 Mbps, USB 2.0, and GPIO. - What is the package type of the ESDS304DBVR?
The package type is SOT-23-5. - What is the DC breakdown voltage of the ESDS304DBVR?
The minimum DC breakdown voltage is 4.5V. - What is the leakage current of the ESDS304DBVR?
The typical leakage current is 3nA. - Can the ESDS304DBVR be used in industrial environments?
Yes, it is suitable for industrial environments due to its wide operating temperature range. - How many channels of protection does the ESDS304DBVR offer?
The ESDS304DBVR offers four channels of protection.
