SMA6J Transient Voltage Suppressors Taiwan Semiconductor SMA6J Transient Voltage Suppressors feature excellent clamping capability and a fast response time of less than 1ps. These voltage suppressors offer a glass passivated junction and 600W peak pulse power capability with a 10/1000μs waveform. The SMA6J transient voltage suppressors are available in a low profile package and are compliant to RoHS Directive 2011/65/EU and in accordance to WEEE 2002/96/EC. These voltage suppressors are ideal for automated placement.