ENP Newswire -
Release date- 19022014 - Neubiberg,
The ESD105 series complements
The ESD105 series addresses TVS for the high-speed data interfaces - such as USB 3.0, Gbit Ethernet, Firewire and HDMI links - used in desktop computers, TV sets and portable electronics. Being located at the surface of a device, these interfaces are especially sensitive to ESD. A mere touch of the hand can be sufficient to induce an electric current, and the energy generated by the discharge can damage the equipment or even render it completely unserviceable. This is not just annoying for equipment users, it can also become a costly problem for manufacturers in case of product recalls and subsequent image problems.
Hence, these data lines require robust protection with the smallest possible package size and lowest device capacitance. With very-low clamping voltage (10V at 8kV) and ultra-low capacitance (C = 0.3pF) the ESD105 TVS diodes (single line) enable engineers to achieve strict requirements for ESD robustness and signal quality of the high-speed interfaces used in the latest generation smartphones and tablet computers.
Mobile devices are constantly becoming thinner, lighter and allow for faster data transfer. This increases user comfort but creates additional technical constraints to the designers in terms of robustness, signal quality as well as battery life. The new series provides protection that exceeds the specifications of IEC61000-4-2 in 2-pin packages (0201, 0402). The leakage current is = 20nA, contributing to longer system battery life. A dedicated pad-layout keeps PCB layout simple and minimize parasitic effects.
Continuous miniaturisation of integrated circuits (ICs) pushes the required performance improvement. However, it leads to increased sensitivity of the IC regarding ESD events. Dedicated ESD protection devices are necessary to handle the ESD event before the destructive energy enters the IC input/output (I/O) and causes damage.
Additional ESD105 Series Specifications
ESD105-B1-02ELS (Bi-directional TVS diode, 1-line, TSSLP-2-4 package), ESD105-B1-02EL (Bi-directional TVS diode, 1-line, TSLP-2-20 package):
ESD / transient protection of high speed data lines exceeding: IEC61000-4-2 (ESD): = +/-25 kV (air / contact)
IEC61000-4-4 (EFT): = +/-2.5 kV / = +/-50 A (5/50 ns)
IEC61000-4-5 (surge): +/-5 A (8/20 -micros)
Maximum Working Voltage: VRWM = +/-5.5 V
Line Capacitance (I/O to GND): CL = 0.3 pF (typical)
Clamping Voltage: V CL = 10 V at 8kV ESD Gun test
Dynamic Resistance: R DYN = 0.36 O (typical)
Reverse Current: I R = 1 nA at 5.5 V (typical)
The ESD105 Series devices and starter kits are now available. The TSSLP-2-4 and TSLP-2-20 packages are fully compliant with RoHS and halogen-free directives.
Extensive ESD Protection Design Support
For assistance in ESD system robustness and faster protection design
For further information on Transient Voltage Suppressor (TVS) diodes from
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