NTC thermistors for
inrush current limiting
Leaded and coated disks
Series/Type: B57236S0***M0**
Date: November 2015
© 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.
Applications
Inrush current limiting, e.g. in switch-mode power
supplies, soft-start motors
Features
Leaded and coated NTC thermistors
Tinned copper wire, kinked
Coating material flame retardant to UL 94 V-0
Component marking includes the manufacturer's
logo, resistance value and date code
Highly stable electrical characteristics
Approvals
UL 1434 (file number E69802)
IEC (certificate number 101QA12)
VDE (certificate number 40038223)
CQC (0900104539)
Options
Resistance tolerance <20% and alternative lead
configurations available on request
Delivery mode
Bulk (standard), cardboard tape on reel or Ammo pack
Dimensional drawing
Dimensions in mm
Approx. weight 1 g
General technical data
Climatic category (IEC 60068-1) 55/170/21
Max. power (at 25 °C) P
max
2.1 W
Resistance tolerance R
R
/R
R
±20 %
Rated temperature T
R
25 °C
Dissipation factor (in air) δ
th
approx. 10 mW/K
Thermal cooling time constant (in air) τ
c
approx. 70 s
Heat capacity C
th
approx. 700 mJ/K
Inrush current limiters B57236S0***M0**
ICLs S236
Page 2 of 21Please read Cautions and warnings and
Important notes at the end of this document.
1) For details on the capacitance C
test
please refer to "Application notes", chapter 1.6.
Electrical specification and ordering codes
R
25
I
max
(0...65 °C)
A
C
test
1)
230 V AC
µF
C
test
1)
110 V AC
µF
R
min
(@ I
max
, 25 °C)
Ordering code
** = Delivery mode
00 = Bulk
51 = Reel packing
54 = Ammo packing
2.2 6 200 800 0.057 B57236S0229M0**
2.5 5.5 200 800 0.067 B57236S0259M0**
3 5 300 1200 0.077 B57236S0309M0**
4.7 4.6 300 1200 0.102 B57236S0479M0**
5 4.5 300 1200 0.108 B57236S0509M0**
8 3.7 300 1200 0.152 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**
20 2.8 300 1200 0.284 B57236S0200M0**
25 2.5 300 1200 0.357 B57236S0250M0**
50 1.9 300 1200 0.594 B57236S0500M0**
80 1.6 400 1600 0.861 B57236S0800M0**
120 1.5 400 1600 0.990 B57236S0121M0**
Inrush current limiters B57236S0***M0**
ICLs S236
Page 3 of 21Please read Cautions and warnings and
Important notes at the end of this document.

B57236S229M

Mfr. #:
Manufacturer:
EPCOS / TDK
Description:
Inrush Current Limiters 2.2 OHM 6.0 AMP
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union