NTC thermistors for
inrush current limiting
Leaded and coated disks
Series/Type: B57236S0***M0**
Date: May 2013
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.Inrush current limiters B57236S0***M0**
ICLs S236
Applications Dimensional drawing
Switch-mode power supplies
Features
Useable in series connections up to 265 V
RMS
Coated thermistor disk
Kinked leads of tinned copper wire
Wide resistance range
Manufacturer's logo, NTC and resistance value
stamped on
UL approval (E69802)
Options Dimensions in mm
Resistance tolerance <20% and alternative lead
Approx. weight 1 g
configurations available on request
Delivery mode
Bulk (standard) or with cardboard tape on 350-mm reel
General technical data
Climatic category (IEC 60068-1) 55/170/21
Max. power (at 25 C) P 2.1 W
max
Resistance tolerance R /R 20 %
R R
Rated temperature T 25 C
R
Dissipation factor (in air) approx. 10 mW/K
th
Thermal cooling time constant (in air) approx. 70 s
c
Heat capacity C approx. 700 mJ/K
th
Electrical specification and ordering codes
1) 1)
R
R I C C min Ordering code
25 max test test
(@ I , 25 C)
(0...65 C) 230 V AC 110 V AC
max
A F F
2.2 6.0 200 800 0.078 B57236S0229M0**
2.5 5.5 200 800 0.071 B57236S0259M0**
3 5.0 300 1200 0.093 B57236S0309M0**
4.7 4.6 300 1200 0.102 B57236S0479M0**
5 4.5 300 1200 0.108 B57236S0509M0**
8 3.7 300 1200 0.192 B57236S0809M0**
10 3.5 300 1200 0.180 B57236S0100M0**
12 3.2 300 1200 0.215 B57236S0120M0**
16 2.9 300 1200 0.262 B57236S0160M0**
** = Delivery mode
00 = Bulk
51 = Reel packing
1) For details on the capacitance C please refer toApplication note, chapter 1.6.
test
Please read Cautions and warnings and Page 2 of 20
Important notes at the end of this document.