Datasheet

Applications
Temperature measurement
Features
Glass-encapsulated NTC thermistor,
heat-resistant and highly stable
Coating of glass body and leads for electrical
insulation
For temperature measurement up to
250 °C
Very short response time
Small dimensions
Leads: dumet wires (copper-clad FeNi)
Options
Leads: nickel-plated dumet wires
Alternative dimensions available on request
Delivery mode
Bulk
Dimensional drawing
Dimensions in mm
General technical data
Climatic category (IEC 60068-1) 55/250/56
Max. power (at 25 °C) P
25
18 mW
Resistance tolerance R
R
/R
R
±1, ±2, ±3 %
Rated temperature T
R
25 °C
Dissipation factor (in air) δ
th
approx. 0.5 mW/K
Thermal cooling time constant (in air) τ
c
approx. 4 s
Heat capacity C
th
approx. 2 mJ/K
Insulation resistance
1)
(V = 100 V DC) R
ins
100 M
Test voltage
1)
(t = 1 s) V
test
500 V DC
1) Medium: NaCl-solution; Temperature: Room temperature
Temperature measurement B57541G, B57541G1
Glass-encapsulated sensors with insulation G541/G1541
Page 2 of 15Please read Cautions and warnings and
Important notes at the end of this document.