NTC thermistors for
temperature measurement
Glass-encapsulated sensors
with insulation
Series/Type: B57541G1
Date: January 2018
© EPCOS AG 2018. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
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
Alternative dimensions available on request
Delivery mode
Bulk
Dimensional drawing
Dimensions in mm
Approx. weight 40 mg
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
±2, ±3 %
Rated temperature T
R
25 °C
Dissipation factor (in air) δ
th
approx. 0.45 mW/K
Thermal cooling time constant (in air) τ
c
approx. 4.5 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 B57541G1
Glass-encapsulated sensors with insulation G1541
Page 2 of 23Please read Cautions and warnings and
Important notes at the end of this document.
Electrical specification and ordering codes
R
25
No. of R/T
characteristic
B
25/85
K
B
0/100
K
B
25/100
K
Ordering code
+ = Resistance tolerance
G = ±2%
H = ±3%
5 k 8324 3483 3455 3497 ±1% B57541G1502+000
10 k 8307 3478 3450 3492 ±1% B57541G1103+000
10 k 7003 3612 3586 3625 ±1% B57541G1103+005
50 k 8342 3991 3967 4006 ±1% B57541G1503+000
100 k 8304 4072 4036 4092 ±1% B57541G1104+000
Reliability data
Test Standard Test conditions R
25
/R
25
(typical)
Remarks
Storage in
dry heat
IEC
60068-2-2
Storage at upper
category temperature
T: 250 °C
t: 1000 h
< 3% No visible
damage
Storage in damp
heat, steady state
IEC
60068-2-67
Temperature of air: 85 °C
Relative humidity of air: 85%
Duration: 1000 h
< 2% No visible
damage
Rapid temperature
cycling
IEC
60068-2-14
Lower test temperature: 55 °C
Upper test temperature: 200 °C
Number of cycles: 1000
< 2% No visible
damage
Temperature measurement B57541G1
Glass-encapsulated sensors with insulation G1541
Page 3 of 23Please read Cautions and warnings and
Important notes at the end of this document.

B57541G1103H000

Mfr. #:
Manufacturer:
EPCOS / TDK
Description:
NTC Thermistors ALUM LYTIC RADIAL 1 000 UF 35 V
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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