PTC thermistors for
overcurrent protection
Leaded disks, coated, 12 V, 24 V
Series/Type: B599*5
Date: April 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.Overcurrent protection
Leaded disks, coated, 12 V, 24 V C935 ... C995
Applications Dimensional drawing
Overcurrent protection
Short circuit protection
Features
Lead-free terminals
Marking: Type, manufacturer's logo,
reference temperature in C and date code
YYWW (except B59995C*)
Low resistance
For rated currents of up to 1.8 A
UL approval to UL 1434 for V = 15 V and
max
V = 12 V (file number E69802)
R
Qualification based on AEC-Q200, Rev. D
Dimensions (mm)
(except: B59935C* and B59995C*)
RoHS-compatible
Type w h l d
max max min
Options C935 22.0 25.5 35 0.6
Leadless disks and leaded disks without C945 17.5 21.0 25 0.6
C955 13.5 17.0 25 0.6
coating available on request
C965 11.0 14.5 25 0.6
Thermistors with diameter w 11.0 mm are
C975 9.0 12.5 25 0.6
also available on tape (to IEC 60286-2)
C985 6.5 10.0 25 0.6
Delivery mode
C995 4.0 7.5 25 0.5
Cardboard strips (standard)
Cardboard tape reeled or in Ammo pack on
request
General technical data
Max. operating voltage (T = 60 C) V 30 V DC or V AC
A max
Rated voltage V 12, 24 V DC or V AC
R
Switching cycles N 100
Reference temperature (typ.) T 120 C
ref
Tolerance of R R 25 %
R R
Operating temperature range (V = 0) T 40/+125 C
op
Operating temperature range (V = V ) T 40/+85 C
max op
Please read Cautions and warnings and Page 2 of 10
Important notes at the end of this document.