PTC thermistors as
limit temperature sensors
Motor protection, single sensors
Series/Type: B59100
Date: November 2013
EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the
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EPCOS AG is a TDK Group Company.Sensors
Motor protection, single sensors M1100
Applications Dimensional drawing
Thermal protection of winding in electric
motors
Limit temperature monitoring
Features
Thermistor pellet with insulating
encapsulation
Low-resistance type, steep R/T curve
Dimensions in mm
Silver-plated and PTFE-insulated AWG 26
litz wires
Extremely fast response due to small
dimensions
Characteristics for sensing temperatures
Tsense = 90 up to 160 C conform with
DIN 44081
Color coding of litz wires to DIN 44081
UL approval to UL 1434 (file number
E69802)
RoHS-compatible
Delivery mode
Bulk
General technical data
Max. operating voltage (T = 0 ... 40 C) V 30 V DC
A max
Max. measuring voltage (T 25 C ... T +23 K) V 7.5 V DC
A = sense meas,max
Rated resistance (V 2.5 V) R 100
PTC R
Insulating test voltage V 2.5 kV AC
ins
Thermal threshold time t < 3 s
a
Operating temperature range (V V ) T 25/ T +23 C
meas,max op sense
Operating temperature range (V = V ) T 0/+40 C
max op
Please read Cautions and warnings and Page 2 of 11
Important notes at the end of this document.