Overview
The SLVU2.8-4A1, produced by STMicroelectronics, is a low voltage unit designed to protect Ethernet lines, particularly for Gigabit Ethernet and Gigabit Power over Ethernet (PoE) applications. This component is packaged in a SO-8 format and features a flow-through design to minimize trace inductances, adhering to the IPC 7531 standard footprint. The SLVU2.8-4A1 is compatible with both 10/100 Mbps and Gigabit Ethernet, making it versatile for various network configurations.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Current (IPP) | 30 A | 8/20 µs |
| Low Capacitance (Ctyp) | 1.5 pF | |
| Stand-off Voltage (VR) | 2.8 V | |
| Low Leakage Current (IRmax) | 0.2 µA | |
| Operating Junction Temperature | -55 to +150 °C | |
| Package Style | SO-8 | |
| Mounting Method | Surface Mount | |
| Compliance Standards | IEC 61000-4-2, IEC 61000-4-4, IEC 61000-4-5, IEEE 802.3ab, IEEE 802.3at |
Key Features
- Peak Pulse Current: 30 A (8/20 µs)
- Low Capacitance: 1.5 pF, ensuring compatibility with high-speed data lines
- Stand-off Voltage: 2.8 V
- Low Leakage Current: 0.2 µA
- ECOPACK®2 Compliant: Environmentally friendly packaging
- Compliance with Standards: IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), IEC 61000-4-5 (Lightning), IEEE 802.3ab, and IEEE 802.3at
- Flow-through Design: Minimizes trace inductances and adheres to IPC 7531 standard footprint
Applications
The SLVU2.8-4A1 is designed for use in various Ethernet and PoE applications, including:
- Gigabit Ethernet Protection: Protects high-speed data lines in Gigabit Ethernet networks
- Gigabit Power over Ethernet (PoE): Ensures protection for devices powered via PoE
- 10/100 Mbps Ethernet: Can be used for lower speed Ethernet networks using a single device
- General ESD and Surge Protection: Protects against electrostatic discharge (ESD), cable discharge events (CDE), and lightning-induced surges
Q & A
- What is the primary function of the SLVU2.8-4A1?
The primary function of the SLVU2.8-4A1 is to protect Ethernet lines from voltage surges and electrostatic discharges, particularly in Gigabit Ethernet and Gigabit PoE applications.
- What is the peak pulse current rating of the SLVU2.8-4A1?
The peak pulse current rating is 30 A (8/20 µs).
- What is the typical capacitance of the SLVU2.8-4A1?
The typical capacitance is 1.5 pF.
- What are the operating junction temperature limits for the SLVU2.8-4A1?
The operating junction temperature limits are from -55 °C to +150 °C.
- Is the SLVU2.8-4A1 compliant with any specific standards?
Yes, it is compliant with IEC 61000-4-2, IEC 61000-4-4, IEC 61000-4-5, IEEE 802.3ab, and IEEE 802.3at standards.
- What package style and mounting method does the SLVU2.8-4A1 use?
The SLVU2.8-4A1 is packaged in a SO-8 format and uses surface mount technology.
- Can the SLVU2.8-4A1 be used for both Gigabit and 10/100 Mbps Ethernet?
Yes, it can be used for both Gigabit Ethernet and 10/100 Mbps Ethernet configurations.
- Is the SLVU2.8-4A1 environmentally friendly?
Yes, it is ECOPACK®2 compliant, which means it adheres to environmentally friendly packaging standards.
- What is the stand-off voltage of the SLVU2.8-4A1?
The stand-off voltage is 2.8 V.
- How many lines can the SLVU2.8-4A1 protect?
The SLVU2.8-4A1 can protect two line pairs (four lines).
