STMicroelectronics

ESDA25-4BP6

ESDA25-4BP6 Description

The ESDA25-4BP6 from STMicroelectronics is a 24V bidirectional TVS diode designed for ESD (electrostatic discharge) and transient voltage suppression in sensitive electronic circuits. Part of the TRANSIL™ series, it features 4 bidirectional channels housed in a compact SOT666 surface-mount package, making it ideal for space-constrained applications. With a minimum breakdown voltage of 25V and a reverse standoff voltage of 24V (typical), it offers robust protection against transient surges while maintaining low leakage. The device is RoHS3 compliant and rated for 50W peak pulse power, ensuring reliable performance in demanding environments.

ESDA25-4BP6 Features

• Bidirectional Protection: 4-channel design for multi-line ESD protection.
• High Surge Handling: 50W peak pulse power (8/20µs) for robust transient suppression.
• Low Clamping Voltage: Efficiently limits overvoltage to protect downstream components.
• Compact SOT666 Package: Space-saving surface-mount form factor, suitable for high-density PCBs.
• Wide Voltage Range: 24V reverse standoff and 25V breakdown for general-purpose applications.
• Reliability: MSL 1 (unlimited) moisture sensitivity, REACH unaffected, and RoHS3 compliant.
• Fast Response Time: Nanosecond-level reaction to ESD events (IEC 61000-4-2 compliant).

ESDA25-4BP6 Applications

• Consumer Electronics: USB ports, HDMI interfaces, and touchscreens in smartphones/tablets.
• Industrial Systems: PLCs, sensors, and communication modules exposed to ESD risks.
• Automotive Electronics: Infotainment systems, CAN bus protection, and onboard diagnostics.
• IoT Devices: Wearables and wireless modules requiring compact, multi-line protection.
• Telecom/Networking: Ethernet ports, routers, and switches vulnerable to voltage transients.

Conclusion of ESDA25-4BP6

The ESDA25-4BP6 stands out as a high-performance, multi-channel TVS diode combining compact size, bidirectional protection, and high surge capability. Its 24V standoff voltage and 50W peak power rating make it a versatile choice for ESD-sensitive applications across industries. Compared to similar models, its 4-channel integration reduces PCB footprint while ensuring compliance with IEC 61000-4-2 standards. Whether for consumer gadgets, automotive systems, or industrial controls, this diode delivers reliable, space-efficient transient protection.