Sensors
Limit temperature sensors, EIA sizes 0402, 0603 and 0805
tE
Settling time (for level sensors)
Rated temperature
TR
Tsense
Top
Sensing temperature
Operating temperature
TPTC
tR
PTC temperature
Response time
Tref
Reference temperature
TRmin
tS
Temperature at minimum resistance
Switching time
Tsurf
Surface temperature
UCT
V or Vel
VRMS
VBD
Upper category temperature
Voltage (with subscript only for distinction from volume)
Root-mean-square value of voltage
Breakdown voltage
Vins
Insulation test voltage
Vlink,max
Vmax
Vmax,dyn
Vmeas
Vmeas,max
VR
Maximum link voltage
Maximum operating voltage
Maximum dynamic (short-time) operating voltage
Measuring voltage
Maximum measuring voltage
Rated voltage
VPTC
Voltage drop across a PTC thermistor
α
Temperature coefficient
Tolerance, change
Dissipation factor
∆
δth
τth
λ
Thermal cooling time constant
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.
Please read Cautions and warnings and
Important notes at the end of this document.
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