STMICROELECTRONICS ESD Protection Diode, Unidirectional, 41V, QFN
STMICROELECTRONICS 41V unidirectional TVS diode for ESD & surge protection. QFN package, 1400W peak pulse power. Ideal for I/O & power line protection.
The STMICROELECTRONICS ESDA25P35-1U1M is a high-power, unidirectional transient voltage suppressor (TVS) diode engineered to shield sensitive electronic circuits from damage, latch-up, or performance degradation caused by electrical overstress (EOS), electrostatic discharge (ESD), and lightning surges. Its robust design ensures long-term reliability without aging effects or performance drift, making it an essential component for mission-critical applications in harsh operating environments.
This device excels in board-level protection, offering a remarkably fast response time and superior clamping voltage performance compared to standard TVS solutions. It can handle high surge currents with minimal power derating across a wide temperature range, providing consistent protection. The compact QFN package features a minimal footprint of just 1.6mm × 1.0mm, making it perfectly suited for space-constrained designs in modern consumer electronics, industrial controls, and communication systems.
Key Features & Specifications
- Protection Type: Single-line, unidirectional EOS and ESD protection.
- Primary Function: Protects one I/O or power line with fast turn-on and a low clamping voltage for effective transient suppression.
- Electrical Characteristics: Standoff voltage of 22V, a clamping voltage (Vc) maximum of 41V, and a high peak pulse power (8/20µs) rating of up to 1400W.
- Low Leakage: Maintains low leakage current at the maximum working reverse voltage (VRM).
- Standards Compliance: Manufactured to comply with key industry standards including J-STD-020 MSL Level 1 for moisture sensitivity, IEC 61000-4-5 for lightning surge immunity, and IEC 61000-4-2 Level 4 for ESD protection.
- Detailed Parameters: Breakdown voltage of 24.6V at 1mA, forward voltage of 0.75V at 10mA, and a load capacitance of 195pF.
- Protecting sensitive ICs and microprocessors
- Safeguarding I/O lines in communication ports (USB, HDMI, Ethernet)
- Securing power supply lines in electronic devices
- Applications in harsh electrical environments
- Protection Type: Unidirectional EOS & ESD
- Clamping Voltage (Vc Max): 41V
- Package / Case Style: QFN
- Number of Pins: 2 Pins
- Footprint: 1.6mm × 1.0mm
- Standoff Voltage: 22V
- Breakdown Voltage: 24.6V at 1mA
- Forward Voltage: 0.75V at 10mA
- Load Capacitance: 195pF
- Peak Pulse Power: Up to 1400W (8/20µs)
- Key Feature: Fast response time
- Key Feature: Low clamping voltage
- Key Feature: Low leakage current
- Key Feature: Low power derating across temperature
- Diode Case Style: QFN
- of Pins: 2Pins
- SVHC: No SVHC (25-Jun-2025)
Documents
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