Overview
The ESDA25W5 is a monolithic suppressor designed by STMicroelectronics to protect components connected to data and transmission lines against Electrostatic Discharge (ESD). This device is part of the ESDAxxxWx family, which offers high integration and robust protection for ESD-sensitive equipment.
It is particularly useful in applications where transient overvoltage protection is crucial, such as in computers, printers, communication systems, cellular phones, and various other electronic devices.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Breakdown Voltage | VBR | 25 - 30 | V |
| Clamping Voltage | VCL | 24 | V |
| Leakage Current | IRM | < 1 | µA |
| Peak Pulse Current | IPP | 15 | A |
| Peak Pulse Power | PPP | 150 | W |
| Junction Temperature | Tj | -40 to +125 | °C |
| Storage Temperature Range | Tstg | -55 to +150 | °C |
| Maximum Lead Temperature for Soldering | TL | 260 | °C |
| Package Type | SOT323-5L |
Key Features
- High ESD protection level: up to 25 kV (Human Body Model), 15 kV (air discharge), and 8 kV (contact discharge).
- Low leakage current: less than 1 µA.
- Very small PCB area: typically less than 4.2 mm².
- Compliance with IEC61000-4-2 and MIL STD 883E - Method 3015-7 Class 3 standards.
- Multiple unidirectional Transil functions: up to 5 lines protected.
- Clamping voltage just above the logic level supply for positive transients and to a diode drop below ground for negative transients.
Applications
- Computers and peripherals
- Printers and other office equipment
- Communication systems, including cellular phones and handsets
- Wireline and wireless telephone sets
- Set top boxes and other consumer electronics
Q & A
- What is the primary function of the ESDA25W5?
The primary function of the ESDA25W5 is to protect components connected to data and transmission lines against Electrostatic Discharge (ESD).
- What are the breakdown voltage and clamping voltage of the ESDA25W5?
The breakdown voltage (VBR) is between 25 V and 30 V, and the clamping voltage (VCL) is approximately 24 V.
- What is the maximum peak pulse power the ESDA25W5 can handle?
The ESDA25W5 can handle a maximum peak pulse power (PPP) of 150 W.
- What are the operating and storage temperature ranges for the ESDA25W5?
The operating temperature range is -40°C to +125°C, and the storage temperature range is -55°C to +150°C.
- What package type is the ESDA25W5 available in?
The ESDA25W5 is available in the SOT323-5L package).
- What standards does the ESDA25W5 comply with?
The ESDA25W5 complies with IEC61000-4-2 and MIL STD 883E - Method 3015-7 Class 3 standards).
- How many lines can the ESDA25W5 protect?
The ESDA25W5 can protect up to 5 lines).
- What is the typical PCB area required for the ESDA25W5?
The ESDA25W5 requires a very small PCB area, typically less than 4.2 mm²).
- What is the leakage current of the ESDA25W5?
The leakage current (IRM) of the ESDA25W5 is less than 1 µA).
- What is the maximum lead temperature for soldering the ESDA25W5?
The maximum lead temperature for soldering is 260°C for 10 seconds).
