PTC thermistors as
limit temperature sensors
SMD, EIA case sizes 0402, 0603, 0805,
standard series
Series/Type: B59404, B59601, B59602,
B59603, B59701
Date: August 2014
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.Sensors
Limit temperature sensors, EIA case sizes 0402, 0603, 0805 Standard series
Applications
DC/DC converters
Home appliances
Dimmers
Electronic ballasts
Over-temperature protection of power components
Secondary protection of battery packs
SMPS
Notebooks
Features
Fast and reliable response
Suitable for reflow soldering only
Compliant to RoHS directive 2002/95/EC
UL approval to UL1434 for B59404A* and B59601A* (file number E69802)
Lead-free terminations (tinned)
Options
Other T or resistance values on request
sense
Delivery mode
Blister tape (EIA case size 0805) or cardboard tape (EIA case sizes 0402 and 0603),
180-mm reel with 8-mm tape, taping to IEC 60286-3
Packing unit: 4.000 pcs. for EIA case sizes 0603 and 0805, 10.000 pcs. for EIA case size
0402
General technical data
Max. operating voltage V 32 V DC
max
Minimum operating temperature (V V ) T 40 C
max min
Maximum operating temperature (V V ) T 125 C or T +25 C C
max max sense,1
1)
whichever is higher
1) T = 140 C for B59404A0130A062
max
Please read Cautions and warnings and Page 2 of 18
Important notes at the end of this document.