Professional IC Distribution & Technical Solutions

SLVU2.8-4.TB – SEMTECH Manufacturer Specifications

#### Description:

The SLVU2.8-4.TB is a Transient Voltage Suppressor (TVS) Diode Array designed for ESD (Electrostatic Discharge) and surge protection in high-speed data lines. It is commonly used in USB, HDMI, and other high-speed interface applications to protect sensitive electronics from voltage transients.

#### Key Features:

• Low Clamping Voltage: Provides effective transient suppression.
• Ultra-Low Capacitance: Typically 0.5pF (per line), ensuring minimal signal distortion for high-speed data lines.
• Bi-Directional Protection: Guards against both positive and negative voltage transients.
• ESD Protection: Meets IEC 61000-4-2 (Level 4) ±15kV (Air), ±8kV (Contact).
• Surge Protection: Compliant with IEC 61000-4-5 (8/20μs) up to 5A.
• Small Form Factor: Available in a DFN-10 (3x2mm) package, suitable for space-constrained designs.

#### Applications:

• USB 2.0/3.0, HDMI, DisplayPort interfaces
• High-speed data lines (Ethernet, LVDS, etc.)
• Consumer electronics, mobile devices, and industrial systems

#### Electrical Specifications:

• Working Voltage: 2.8V
• Breakdown Voltage (Min): 3.3V
• Peak Pulse Current (8/20μs): 5A
• Leakage Current (@ Vrwm): 0.1μA (Max)

#### Package & Pin Configuration:

• Package Type: DFN-10 (3x2mm)
• Pin Count: 10

This device ensures robust protection while maintaining signal integrity in high-speed applications.

Would you like additional details on any specific parameter?

# Application Scenarios and Design Phase Pitfall Avoidance for the SLVU2.8-4.TB TVS Diode

The SLVU2.8-4.TB is a transient voltage suppression (TVS) diode designed to protect sensitive electronic circuits from voltage spikes, electrostatic discharge (ESD), and other transient disturbances. Its compact form factor, low clamping voltage, and high surge current handling make it suitable for a variety of applications where robust circuit protection is essential.

## Key Application Scenarios

1. Consumer Electronics

In smartphones, tablets, and wearables, the SLVU2.8-4.TB safeguards interfaces such as USB-C, HDMI, and audio ports from ESD events. Its fast response time ensures minimal signal distortion while protecting downstream components.

2. Industrial Automation

Industrial environments often expose equipment to voltage transients from inductive loads, power surges, or electromagnetic interference (EMI). The SLVU2.8-4.TB is used in PLCs, motor controllers, and sensor modules to enhance system reliability.

3. Automotive Electronics

Modern vehicles incorporate numerous electronic control units (ECUs) vulnerable to load dump and switching transients. This TVS diode provides protection for CAN bus, infotainment systems, and onboard charging circuits.

4. Telecommunications & Networking

High-speed data lines in routers, switches, and base stations require protection against lightning-induced surges and ESD. The SLVU2.8-4.TB’s low capacitance helps maintain signal integrity in high-frequency applications.

## Design Phase Pitfall Avoidance

To maximize the effectiveness of the SLVU2.8-4.TB, engineers should consider the following during the design phase:

1. Proper Placement

Place the TVS diode as close as possible to the protected port or connector to minimize parasitic inductance, which can reduce clamping efficiency.

2. Voltage Rating Selection

Ensure the working voltage (2.8V) aligns with the system’s operating voltage. Overestimating the clamping voltage may lead to insufficient protection, while underestimating risks premature failure.

3. Thermal Management

Although the SLVU2.8-4.TB is designed to handle high surge currents, prolonged exposure to transients can cause overheating. Verify that PCB traces and thermal relief structures can dissipate excess heat.

4. Signal Integrity Considerations

For high-speed data lines, the diode’s capacitance (typically a few pF) must not degrade signal quality. Simulate or test the circuit to confirm minimal impact on rise/fall times.

5. Compliance with Standards

Ensure the TVS diode meets relevant industry standards (e.g., IEC 61000-4-2 for ESD protection) and validate performance through real-world testing.

By addressing these factors early in the design process, engineers can leverage the SLVU2.8-4.TB’s protective capabilities while avoiding common implementation pitfalls. Proper integration enhances system durability and reduces field failures due to transient events.