NTC thermistors for
temperature measurement
Leaded NTC thermistors,
lead spacing 2.5 mm
Series/Type: B57881S
Date: March 2013
EPCOS AG 2015. 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.Temperature measurement B57881S
Leaded NTC thermistors, lead spacing 2.5 mm S881
Applications Dimensional drawing
Temperature measurement
Features
High measuring accuracy
Cost-effective
Rugged design, epoxy resin encapsulation
Tinned copper leads
Lead spacing 2.5 mm
Delivery mode
Bulk (standard), cardboard tape, reeled or in
Ammo pack on request
Dimensions in mm
Approx. weight 130 mg
General technical data
Climatic category (IEC 60068-1) 55/155/56
Max. power (at 25 C) 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
Electrical specification and ordering codes
R No. of R/T B Ordering code
25 25/100
characteristic K
2.1 k 1008 3560 1% B57881S0212+000
10 k 2003 3980 1% B57881S0103+001
10 k 2908 3460 1% B57881S0103+002
12 k 2901 3760 1% B57881S0123+000
30 k 8018 3964 1% B57881S0303+000
+ = Resistance tolerance
F = 1%
H = 3%
J = 5%
Please read Cautions and warnings and Page 2 of 27
Important notes at the end of this document.