Metal Oxide Varistor Disc type
SIOV-Q14K550 Ordering code: B72214Q0551K101
Data sheet
ISSUE DATE 22.05.02 ISSUE a PUBLISHER KH PE VAR PAGE 1/6
SIOV nomenclature
Q = EnergetiQä Series
14 = Rated disk diameter
K = Tolerance of V
V
at 1mA : ±10%
550 = Max. AC voltage
Figure: Dimensions given in Millimeters (mm)
Electrical data:
Maximum Ratings (85°C):
Max. operating AC voltage V
RMS
= 550V
Max. operating DC voltage V
DC
= 745V
Surge current (8/20µs) 1 time I
max
= 6000A
Energy absorption (2ms) 1 time W
max
= 260J
Average power dissipation P
max
=0,80W
Characteristics (25°C):
Varistor voltage at 1mA V
V
= 910V ± 10%
Clamping voltage at 65A (8/20µs) V
C,max
= 1500V
Typ. capacitance at 1 kHz C = 245pF
b
max
= 16,5
h
max
= 19,5
s
max
=9,0
e = 10,0±1,0
a=4,8±1,0
l
min
= 30,0
∅d= 1,0± 0,05
