B59100_09 Datasheet, PDF (7/9 Pages) EPCOS – PTC thermistors as limit temperature sensors

Sensors
Limit temperature sensors, leaded disks, coated
Symbols and terms
A
C_th
f
I
I_max
I_R
I_PTC
I_r
I_r,oil
I_r,air
I_RMS
I_S
I_Smax
LCT
N
N_c
N_f
P
P₂₅
P_el
P_diss
R_min
R_R
∆R_R
R_P
R_PTC
R_ref
R_S
R₂₅
R_25,match
∆R₂₅
T
t
T_A
t_a
T_C
Area
Heat capacity
Frequency
Current
Maximum current
Rated current
PTC current
Residual currrent
Residual currrent in oil (for level sensors)
Residual currrent in air (for level sensors)
Root-mean-square value of current
Switching current
Maximum switching current
Lower category temperature
Number (integer)
Operating cycles at V_max, charging of capacitor
Switching cycles at V_max, failure mode
Power
Maximum power at 25 °C
Electrical power
Dissipation power
Minimum resistance
Rated resistance
Tolerance of R_R
Parallel resistance
PTC resistance
Reference resistance
Series resistance
Resistance at 25 °C
Resistance matching per reel/ packing unit at 25 °C
Tolerance of R₂₅
Temperature
Time
Ambient temperature
Thermal threshold time
Ferroelectric Curie temperature
Please read Cautions and warnings and
Important notes at the end of this document.
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C100