Circuit & System Protection


Protection diodes for Gigabit Ethernet

3 October 2012 Circuit & System Protection

Infineon Technologies released a new TVS (transient voltage suppression) diode to protect Gigabit Ethernet interfaces from potential damage due to voltage surge or electrostatic discharge (ESD) events.

The new TVS3V3L4U diode features exceptionally low capacitance to meet the high signal integrity requirements of this application, while delivering the robustness and clamping voltage characteristics typical of Infineon’s broad portfolio of circuit protection devices.

The device features surge absorption capability of 20 A without signs of degradation, meeting requirements of IEC61000-4-5, and high ESD absorption capability of ±30 kV that exceeds IEC61000-4-2. It has very low clamping voltages of VCL <8 V for surge currents of 20 A (8/20 μs).

Dynamic resistance is low at RDYN= 0,15 Ω I/O-GND (according to surge standard IEC61000-4-5) and 0,09 Ω GND-I/O (ESD standard IEC61000-4-5) which enables extremely low clamping voltages of VCL <6 V for 16 A TLP current, equivalent to 8 kV ESD to IEC61000-4-2.

Capacitance is typically a low 2,9 pF I/O-GND and 1,5 pF I/O-I/O to meet the signal integrity requirements of Gigabit Ethernet. The diode is supplied in an industry-standard SC74 leaded array package, with one component replacing up to four devices. It is tailored for protection of signal lines operating up to a maximum voltage of 3,3 V.

For more information contact EBV Electrolink, +27 (0)21 402 1940, [email protected], www.ebv.com, Electrocomp, +27 (0)11 458 9000, [email protected], www.electrocomp.co.za



Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

First NVMe SSD Built with 8th-gen BiCS FLASH
EBV Electrolink Computer/Embedded Technology
KIOXIA recently announced the development and prototype demonstration of its new KIOXIA CM9 Series PCIe 5.0 NVMe SSDs, which incorporates CMOS directly Bonded to Array technology.

Read more...
IMU with dual-sensing capability
EBV Electrolink Analogue, Mixed Signal, LSI
ST’s 6-axis inertial measurement unit integrates a dual accelerometer up to 320g and embedded AI for activity tracking and high-impact sensing.

Read more...
Clearing the Static: Staying grounded: Ensuring effective ESD control
Actum Electronics Circuit & System Protection
To maintain reliable electrostatic discharge control, regular testing and accurate measurement are essential, with grounding products and ESD testing equipment being vital.

Read more...
Track with precision
Electrocomp Telecoms, Datacoms, Wireless, IoT
KYOCERA AVX provides innovative antennas for cellular, LTE-M, NB-IoT, LoRa, GNSS, BLE, UWB, Wi-Fi, and future Satellite IoT.

Read more...
RGBIR sensor with I2C interface
Electrocomp Opto-Electronics
Available in a miniature opaque 2,67 x 2,45 mm package, Vishay’s VEML6046X00 includes high-sensitivity photodiodes, a low noise amplifier, and a 16-bit analogue to digital converter.

Read more...
Clearing the Static: ESD component safety in storage and transportation
Actum Electronics Circuit & System Protection
Conductive containers create a Faraday cage effect, safely channelling electrostatic charges away from the components inside.

Read more...
Thick film power resistors
Electrocomp Passive Components
Vishay has released a new product to the market, its thick film power resistor, which is offered in a clip-mount TO-247 package.

Read more...
Battery monitoring and balancing IC
EBV Electrolink Power Electronics / Power Management
The TLE9009DQU from Infineon is a multi-channel battery monitoring and balancing IC crafted for Li-Ion battery packs.

Read more...
KIOXIA pioneer new 3D Flash technology
EBV Electrolink DSP, Micros & Memory
KIOXIA Corporation and Sandisk Corporation have pioneered a state-of-the-art 3D flash memory technology, setting the industry benchmark with a 4,8 Gb/s NAND interface speed, superior power efficiency, and heightened density.

Read more...
Super-fast H.264 encoder FPGA core
EBV Electrolink DSP, Micros & Memory
An ITAR-compliant H.264 core designed for AMD FPGAs provides baseline H.264 support and is currently the smallest and fastest FPGA core in the industry.

Read more...