In a multistage transient suppressor
, each stage is separated using resistors or inductors that, in conjunction with the component capacitance, form a frequency filter.
So, with these considerations in mind, a SASD-based transient suppressor can be reasonably expected to illustrate an "in circuit" response time of five nanoseconds or less.
Transient suppressors manufactured by different manufacturers utilize various suppression technologies including selenium, gas tubes, metal oxide varistors (MOVs), silicon avalanche suppressor diodes (SASDs), or combinations of the above as their suppression components.
The AK Series high current silicon transient suppressor
offers more efficient electrical and electronic device protection against destructive higher-power transient voltages.
Isolation is achieved through using protection devices such as transient suppressors
, gas tubes, fuses, etc.
The rigorous design effort is not lost, though, because board level transient suppressors and EMI filters (added in the second phase of EMC hardening) are typically more efficient when used on a board that has gone through some amount of board layout optimization.
It has been found during the testing of transient suppressors that the response time is very closely dictated by the packaging of the device.
* Consider transient suppressors
(TVSS) at power distribution centers in areas of high lightning activity and where starting and stopping of large motors can create transients.
The USB Series of Transient Suppressors
has expanded with the addition of an 0402-size model.