PTC thermistors as
point level sensors
Stainless steel case, water level sensing
Series/Type: B59050D1100B040
Date: January 2016
EPCOS AG 2016. Reproduction, publication and dissemination of this publication, enclosures hereto and the
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EPCOS AG is a TDK Group Company.Sensors
Point level sensor, stainless steel case, water level sensing D1050
Applications Dimensional drawing
Liquid level detection in water tanks and
home appliances
Features
Hermetically sealed stainless steel case
Solderability complies with IEC 60068-2-20
RoHS-compatible
Delivery mode
Bulk
Dimensions in mm
General technical data
Max. operating voltage V 18 V DC
max
Rated resistance R 40 ... 80
R
Operating temperature range (V = 0 V) T 55/+100 C
op
Operating temperature range (V = 18 V) T +10/+65 C
op
Number of cycles (R = 50 , V = 18 V) N 5000
S
Residual current in water I see diagram mA
r,oil
Residual current in air I see diagram mA
r,air
Settling time t 60 s
E
Surface temperature (V = 18 V) T < 80 C
surf
Ordering code
Ordering code B59050D1100B040
Please read Cautions and warnings and Page 2 of 10
Important notes at the end of this document.