NTCthermistorsfor
temperaturemeasurement
Leaded NTC thermistors,
lead spacing 2.5 mm
Series/Type: B57881S
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.Temperaturemeasurement B57881S
LeadedNTCthermistors,leadspacing2.5mm S881
Applications Dimensionaldrawing
Temperature measurement
Features
High measuring accuracy
Cost-effective
Rugged design, epoxy encapsulation
Tinned copper leads
Lead spacing 2.5 mm
Deliverymode
Bulk (standard), cardboard tape, reeled or in
Ammo pack on request
Dimensions in mm
Approx. weight 130 mg
Generaltechnicaldata
Climatic category (IEC 60068-1) 55/155/56
Max. power (at 25C) P 100 mW
25
Resistance tolerance R /R 1,3,5 %
R R
Rated temperature T 25 C
R
Dissipation factor (in air) approx. 4 mW/K
th
Thermal cooling time constant (in air) approx. 10 s
c
Heat capacity C approx. 40 mJ/K
th
Electricalspecificationandorderingcodes
R No. of R/T B Ordering code
25 25/100
characteristic K
2.1 k 1008 35601% B57881S0212+000
10 k 2003 39801% B57881S0103+001
10 k 2908 34601% B57881S0103+002
12 k 2901 37601% B57881S0123+000
30 k 8018 39641% B57881S0303+000
+ = Resistance tolerance
F = 1%
H =3%
J = 5%
Please read Cautions and warnings and Page 2 of 28
Important notesat the end of this document.