ESD5451N

Introduction to ESD5451N
ESD5451N is a high-performance ESD (electrostatic discharge) protection diode designed to safeguard sensitive electronic components from voltage spikes and transient events. It features low clamping voltage, fast response time, and high surge current capability, making it ideal for applications in consumer electronics, automotive systems, and industrial equipment.
Key specifications include:
- Breakdown voltage: ~5.5V
- Low leakage current
- IEC 61000-4-2 compliance (ESD protection up to ±30kV)
Available in compact packages like SOD-323 or DFN, it ensures robust protection without compromising board space. Common uses include USB ports, HDMI lines, and data interfaces.
For detailed parameters, refer to the datasheet or manufacturer documentation.

The ESD5451N is a TVS diode designed for ESD protection in high-speed interfaces. Key features:
- Ultra-low capacitance: Typically 0.5pF, ideal for high-speed data lines (USB, HDMI, etc.).
- Robust ESD protection: ±20kV (IEC 61000-4-2, contact discharge).
- Low clamping voltage: Protects sensitive ICs from transient surges.
- Bidirectional: Safeguards against both positive and negative ESD strikes.
- Small form factor: SOD-323 package, space-efficient for compact designs.
- Fast response time: Reacts in nanoseconds to suppress transients.
Ideal for consumer electronics, USB ports, and high-frequency signal lines.

The ESD5451N is a 5-pin TVS diode array designed for ESD protection in high-speed interfaces like USB, HDMI, and Ethernet.
Pin Functions:
1. I/O1, I/O2 (Pins 1, 5): Protected data lines.
2. GND (Pin 2): Ground connection.
3. VCC (Pin 3): Supply voltage (typically 3.3V or 5V).
4. I/O3 (Pin 4): Additional protected line (if used).
Key Features:
- Low capacitance (~1.5pF per line).
- IEC 61000-4-2 ESD protection (±30kV).
- Bidirectional clamping.
Applications:
- USB 2.0/3.0, HDMI, DisplayPort.
- High-speed signal protection.

The ESD5451N is a transient voltage suppressor (TVS) diode manufactured by ON Semiconductor, a leading global supplier of semiconductor-based solutions.
ON Semiconductor (now known as onsemi) is a Fortune 500 company specializing in power management, analog, and sensor technologies. It serves industries like automotive, industrial, and consumer electronics, focusing on energy-efficient innovations.
The ESD5451N is designed for ESD protection in high-speed interfaces, such as USB and HDMI.

The ESD5451N is a TVS diode array designed for ESD protection in high-speed interfaces. Key application areas include:
- USB 2.0/3.0, HDMI, DisplayPort – Protects data lines from electrostatic discharge.
- Ethernet (RJ-45) – Shields LAN ports from transient voltage spikes.
- Mobile & Consumer Electronics – Safeguards smartphones, tablets, and wearables.
- Automotive Infotainment – Protects CAN, LIN, and USB interfaces.
- Industrial & IoT Devices – Ensures reliability in sensors and communication modules.
Its low capacitance (0.5pF typical) makes it ideal for high-speed data lines while maintaining signal integrity.

The ESD5451N is typically available in a SOT-23 package, a small surface-mount transistor outline with 3 pins. This compact package is commonly used for ESD protection diodes, offering efficient space-saving and reliable performance in circuit protection applications.