by Bill Goldbach | Aug 3, 2020 | Bill's Tech Briefs
Printer Friendly Version Voltage and current transients are a major cause of solid-state component failure in electronic systems. These transients are a result of a sudden release of stored energy. Transients may be generated from a variety of sources, both internal...
by Bill Goldbach | Jul 13, 2020 | Bill's Tech Briefs
Printer Friendly Version Typical TVS Design Aids 1) Leakage current will double for every 10 to 15°C rise in temperature, depending upon the voltage (usually referenced to the ambient temperature). 2) The typical change in Breakdown Voltage (BV or...
by Bill Goldbach | Jul 10, 2020 | Bill's Tech Briefs
Printer Friendly Version Filter Protection Requirement: Provide a TVS device to protect a filter against damage due to RTCA Waveforms Voltage Waveform 4 and Current Waveform 1 Pulse 1600v/320A at 6.4/69 usec The input limits are: Nominal range 28 to 33 volts, and...
by Bill Goldbach | Jul 10, 2020 | Bill's Tech Briefs
Printer Friendly Version IEEE DICTIONARY (IEEE STANDARD 100-2000) Pulse A brief excursion of a quantity from normal. Risetime The time interval of the leading edge between the instants at which the instantaneous value first...
by Bill Goldbach | Jun 8, 2020 | Bill's Tech Briefs
Printer Friendly Version Paralleling TVS Diodes for Higher Power Capability Silicon Avalanche Transient Voltage Suppressors (TVS’s) offer a great deal of flexibility in circuit protection. Fortunately, these devices are available in voltages ranging from 5 through 550...
by Bill Goldbach | Jun 8, 2020 | Bill's Tech Briefs
Printer Friendly Version WHAT TO CONSIDER AND HOW TO CONFIGURE WHEN USING TVS DIODES IN PARALLEL TO INCREASE SURGE RATING OR REDUCE VOLTAGE. To accommodate surge current ratings greater than those capable from a single TVS device, one can use multiple TVS diodes in...