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3PMT85A datasheet and pdf download: http://www.chinaicmart.com/series-3PM/3PMT85A.html
3PMT85A description
These 1500 watt transient voltage suppressors offer power-handling
capabilities only found in larger packages. They are most often used
for protecting against transients from inductive switching
environments or induced secondary lightning effects as found in lower
surge levels of IEC61000-4-5. With very fast response times, they are
also effective in protection from ESD or EFT. PowermiteŽ package
features include a full metallic bottom that eliminates the
possibility of solder-flux entrapment during assembly. They also
provide unique locking tab acting as an integral heat sink. With its
very short terminations, parasitic inductance is minimized to reduce
voltage overshoots during fast-rise-time transients
3PMT85A description
These 1500 watt transient voltage suppressors offer power-handling
capabilities only found in larger packages. They are most often used
for protecting against transients from inductive switching
environments or induced secondary lightning effects as found in lower
surge levels of IEC61000-4-5. With very fast response times, they are
also effective in protection from ESD or EFT. PowermiteŽ package
features include a full metallic bottom that eliminates the
possibility of solder-flux entrapment during assembly. They also
provide unique locking tab acting as an integral heat sink. With its
very short terminations, parasitic inductance is minimized to reduce
voltage overshoots during fast-rise-time transients