DESCRIPTION
This series of voidless-hermetically-sealed unidirectional low-capacitance Transient Voltage Suppressor (TVS) designs are ideal for protecting higher frequency applications in high-reliability applications where a failure cannot be tolerated. They include a unique rectifier diode in series and opposite direction from the TVS to achieve a very low capacitance of 4 pF. This product series provides a working peak “standoff” voltage selection from 6.8 to 170 volts with 150 watt ratings. They are very robust in hard-glass construction and also use an internal metallurgical bond identified as Category 1 for high reliability applications. These devices are also available in axial leaded packages for thru-hole mounting.

FEATURES
 High surge current and peak pulse power unidirectional protection for sensitive circuits.
 Very low capacitance for high frequency or high baud rate applications.
 Bidirectional capability with two devices in anti-parallel (see Figure 5).
 Triple-layer passivation.
 Internal “Category 1” metallurgical bonds.
 Voidless hermetically sealed glass package.
 RoHS compliant versions are available.

APPLICATIONS / BENEFITS
 High reliability transient protection.
 Extremely robust construction.
 Working peak “standoff” voltage (VWM) from 6.8 to 170 volts.
 Available as 150 W peak pulse power (PPP) at 10/1000 μs.
 Lowest available capacitance for 150 W rated TVS.
 ESD and EFT protection per IEC61000-4-2 and IEC61000-4-4 respectively.
 Secondary lightning protection per select levels in IEC61000-4-5.
 Flexible axial-leaded mounting terminals.
 Nonsensitive to ESD per MIL-STD-750 method 1020.
 Inherently radiation hard as described in Microsemi MicroNote 050.