Overview
The ESDA25LY is a monolithic diode array designed by STMicroelectronics to protect one or two lines against Electrostatic Discharge (ESD) transients. This device is particularly suited for applications where reduced line capacitance and board space saving are essential. It can also be used as a bidirectional suppressor by connecting only pins 1 and 2. The ESDA25LY is AEC-Q101 qualified, ensuring its reliability and performance in automotive and other high-reliability environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Part Number | ESDA25LY | |
| Package | SOT23-3L | |
| Grade | Automotive | |
| RoHS Compliance Grade | Ecopack2 | |
| Operating Junction Temperature Range | -40 to 150 | °C |
| Storage Temperature Range | -65 to 150 | °C |
| Maximum Lead Temperature for Soldering | 260 | °C |
| Breakdown Voltage (VBR) | 25 - 30 | V |
| Leakage Current (IR) at VBR | < 20 µA | |
| Peak Pulse Power (8/20 µs) | 300 | W |
| Peak Pulse Current (8/20 µs) | 7 | A |
| Line Capacitance (Cline) | 50 | pF |
Key Features
- Dual unidirectional Transil functions
- Low leakage current: IR max. < 20 µA at VBR
- 300 W peak pulse power (8/20 µs)
- High ESD protection level: up to 25 kV (ISO 10605 compliant)
- High integration and suitable for high density boards
- AEC-Q101 qualified for automotive applications
- Complies with ISO 10605 and ISO 7637-2 standards
Applications
The ESDA25LY is designed for use in various applications where transient overvoltage protection is crucial, such as:
- Entertainment systems
- Signal communications equipment
- Connectivity devices
- Comfort and convenience systems in automotive and other sectors
Q & A
- What is the primary function of the ESDA25LY?
The ESDA25LY is designed to protect one or two lines against Electrostatic Discharge (ESD) transients.
- What package type is the ESDA25LY available in?
The ESDA25LY is available in the SOT23-3L package.
- What are the operating temperature ranges for the ESDA25LY?
The operating junction temperature range is -40 to 150 °C, and the storage temperature range is -65 to 150 °C.
- What is the breakdown voltage range for the ESDA25LY?
The breakdown voltage (VBR) range is 25 to 30 V.
- What is the peak pulse power rating of the ESDA25LY?
The peak pulse power rating is 300 W (8/20 µs).
- Is the ESDA25LY compliant with any specific automotive standards?
Yes, it is AEC-Q101 qualified and complies with ISO 10605 and ISO 7637-2 standards.
- What are some typical applications for the ESDA25LY?
Typical applications include entertainment systems, signal communications equipment, connectivity devices, and comfort and convenience systems in automotive and other sectors.
- Can the ESDA25LY be used as a bidirectional suppressor?
Yes, it can be used as a bidirectional suppressor by connecting only pins 1 and 2.
- What is the maximum lead temperature for soldering the ESDA25LY?
The maximum lead temperature for soldering is 260 °C for 10 seconds at 5 mm from the case.
- What is the line capacitance of the ESDA25LY?
The line capacitance (Cline) is approximately 50 pF.
