NTC thermistors for
temperature measurement
Glass-encapsulated sensors,
standard type
Series/Type: B57550G, B57550G1
Date: February 2009
The following products presented in this data sheet are being withdrawn.
Ordering Code Substitute Product Date of Deadline Last Last Shipments
Withdrawal Orders
B57550G0145* B57550G1104* 2012-03-23 2012-06-28 2012-09-28
B57550G0234* B57550G1104* 2012-03-23 2012-06-28 2012-09-28
For further information please contact your nearest EPCOS sales office, which will also support
you in selecting a suitable substitute. The addresses of our worldwide sales network are
presented at www.epcos.com/sales.
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 B57550G, B57550G1
Glass-encapsulated sensors G550/G1550
Applications Dimensional drawing
Temperature measurement
Features
Glass-encapsulated, heat-resistive and
highly stable
For temperature measurement up to
300 C
Very short response time
Small dimensions
Leads: dumet wires (copper-clad FeNi)
Options
Leads: nickel-plated dumet wires
Alternative dimensions available on request
Dimensions in mm
Delivery mode
Bulk
General technical data
Climatic category (IEC 60068-1) 55/300/56
Max. power (at 25 C) P 32 mW
25
Resistance tolerance R /R 1, 2, 3 %
R R
Rated temperature T 25 C
R
Dissipation factor (in air) approx. 0.75 mW/K
th
Thermal cooling time constant (in air) approx. 7 s
c
Heat capacity C approx. 5 mJ/K
th
Please read Cautions and warnings and Page 2 of 19
Important notes at the end of this document.