Data Sheet

t
E
Settling time (for level sensors)
T
R
Rated temperature
T
sense
Sensing temperature
T
op
Operating temperature
T
PTC
PTC temperature
t
R
Response time
T
ref
Reference temperature
T
Rmin
Temperature at minimum resistance
t
S
Switching time
T
surf
Surface temperature
UCT Upper category temperature
V or V
el
Voltage (with subscript only for distinction from volume)
V
RMS
Root-mean-square value of voltage
V
BD
Breakdown voltage
V
ins
Insulation test voltage
V
link,max
Maximum link voltage
V
max
Maximum operating voltage
V
max,dyn
Maximum dynamic (short-time) operating voltage
V
meas
Measuring voltage
V
meas,max
Maximum measuring voltage
V
R
Rated voltage
V
PTC
Voltage drop across a PTC thermistor
α Temperature coefficient
∆ Tolerance, change
δ
th
Dissipation factor
τ
th
Thermal cooling time constant
λ Failure rate
Lead spacing (in mm)
Abbreviations / Notes
Surface-mount devices
* To be replaced by a number in ordering codes, type designations etc.
+ To be replaced by a letter
All dimensions are given in mm.
The commas used in numerical values denote decimal points.
Overcurrent protection
Leaded disks, coated, 230 V C810 ... C890
Page 15 of 16Please read Cautions and warnings and
Important notes at the end of this document.