The low-pass filter in the VEMI arrays allows low-frequency signals to pass through with very low attenuation, while high-frequency signals, such as the carrier frequency of mobile communications systems, are shorted to ground.
The new filters include the four-channel VEMI45LA-HNH in the LLP1713 package, and the eight-channel VEMI85LA-HGK in the LLP3313 package. Delivering high-quality filtering, the new devices feature typical cut-off frequencies of 150 MHz, a low line resistance of 12Ω, and line inductance of 10 nH. Low leakage current helps to prolong battery life.
The VEMI45LA-HNH and VEMI85LA-HGK provide transient protection for data lines as per IEC 61000 4 2 (ESD) at ± 25 kV (air and contact discharge) and IEC 61000 4 5 (lightning) from 4 A (tp = 8/20µs). The lead (Pb)-free filters are compliant with RoHS 2002/95/EC and WEEE 2002/96/EC and feature a environmentally friendly “green” molding compound.