Reliability data
Test Test methods/conditions Requirement
Varistor voltage The voltage between two terminals with
the specified measuring current applied
is called V
V
(1 mA
DC
@ 0.2 ... 2 s).
To meet the specified value
Clamping voltage The maximum voltage between two
terminals with the specified standard
impulse current (8/20 µs) applied.
To meet the specified value
Max. DC operating voltage MIL STD 202F, method 108A, UCT,
V
DC
, 1000 h
|∆V/V (1 mA)| ≤10%
No visible damage
Fast temperature cycling IEC 60068-2-14, test Na, LCT/UCT,
dwell time 15 min, 100 cycles
for SIOV…AUTO types and dwell time
15 min, 1000 cycles for
SIOV…AUTOD1 types
|∆V/V (1 mA)| ≤5%
No visible damage
Damp heat IEC 60068-2-67, test Cy, 85 °C,
85% r. H., V
DC
, 1000 h
|∆V/V (1 mA)| ≤10%
No visible damage
Note:
UCT = Upper category temperature
LCT = Lower category temperature
Leaded varistors B722*
Automotive series for 42 V
Page 5 of 20Please read Cautions and warnings and
Important notes at the end of this document.
