Отправлено AK 18 марта 2002 г. 02:25 В ответ на: Выдержит ли 1206 чип-резистор сетевое напряжение отправлено Ra 18 марта 2002 г. 00:07

MCR18, MCR25 specs (pp.21-53):
Table p.28: Max. working voltage 200V, Max. overload voltage 400V.
Figure 22, p.35: withstand voltage(voltage proof) from 700V to 950V for 1M resistors (JIS C 5202 5.7, 10 samples).

Circuit design, p.14:
...
When a high voltage (500V to 2kV or more) is applied directly to a chip resistor from an external source, electrostatic destruction occurs...
-- When a large voltage is applied, the dielectric component (glass) of the resistor body is destroyed and the resistance value drops. (A short-circuit condition is established.)
-- If a higher voltage is applied, the metal oxide in the resistor body is reduced, becoming a pure metal and the resistance value drops.
...