ESD5451N-2/TR

The ESD5451N-2/TR is a bidirectional TVS diode designed for ESD (electrostatic discharge) protection in sensitive electronics. It features low clamping voltage and high surge current capability, making it ideal for safeguarding high-speed data lines (e.g., USB, HDMI, Ethernet) from transient voltage spikes.
Key specifications:
- Working voltage: 5V
- Breakdown voltage: 6V (min)
- Low leakage current: <1µA
- IEC 61000-4-2 (ESD) protection: ±30kV (air/contact)
- Compact SOD-523 (SC-79) package
Applications include consumer electronics, IoT devices, and communication interfaces. Its bidirectional operation ensures protection for both positive and negative voltage transients. The tape-and-reel (TR) packaging supports automated assembly.
For detailed parameters, refer to the datasheet from the manufacturer (e.g., ON Semiconductor or Diodes Inc.).

Equivalent products to the ESD5451N-2/TR (TVS diode array) include:
- NUP2105LT1G (ON Semiconductor)
- TPD4E05U06 (Texas Instruments)
- SP0503BAHTG (Littelfuse)
- ESD7004 (STMicroelectronics)
These alternatives offer similar ESD protection (IEC 61000-4-2) for low-voltage applications. Verify pin compatibility and specs for your design.

The ESD5451N-2/TR is a low-capacitance ESD protection diode designed for high-speed data lines. Key features include:
- Ultra-low capacitance: Typically 0.5pF (max 0.7pF), ensuring minimal signal distortion.
- High ESD protection: ±20kV (IEC 61000-4-2, contact discharge).
- Low clamping voltage: Protects sensitive components from transient surges.
- Bi-directional protection: Suitable for positive and negative voltage spikes.
- Compact package: SOT-23, ideal for space-constrained applications.
- Fast response time: Reacts quickly to ESD events.
- Low leakage current: Ensures power efficiency.
Commonly used in USB, HDMI, Ethernet, and other high-speed interfaces.

The ESD5451N-2/TR is a 5-pin bidirectional ESD protection diode designed for high-speed data line protection.
Pin Functions:
1. I/O1 – Connects to the first data line for ESD protection.
2. I/O2 – Connects to the second data line for ESD protection.
3. GND – Ground reference.
4. VCC – Power supply connection (typically 3.3V or 5V).
5. NC – No connection (unused pin).
Key Features:
- Protects two data lines (e.g., USB, HDMI).
- Low clamping voltage for sensitive circuits.
- Fast response to ESD events (IEC 61000-4-2 compliant).
Applications:
- USB ports, HDMI, and other high-speed interfaces.

The ESD5451N-2/TR is a SOD-323 (SC-76) package type. This small surface-mount diode is designed for ESD protection applications, offering compact size and efficient performance. The SOD-323 package is commonly used for low-power devices, ensuring space-saving integration on PCBs.