NTC thermistors for
inrush current limiting
Leaded and coated disks, P11 series
Series/Type: B57211P0***M3*1
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 1.2 g
General technical data
Climatic category (IEC 60068-1) 40/170/21
Max. power (at 25 °C) P
max
3.0 W
Resistance tolerance R
R
/R
R
±20 %
Rated temperature T
R
25 °C
Dissipation factor (in air) δ
th
approx. 13 mW/K
Thermal cooling time constant (in air) τ
c
approx. 70 s
Heat capacity C
th
approx. 910 mJ/K
Inrush current limiters B57211P0***M3*1
ICLs P11
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...25 °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
0 = Bulk
4 = Ammo packing
5 = Reel packing
1 7 330 1320 0.042 B57211P0109M3*1
2.5 6 330 1320 0.066 B57211P0259M3*1
4 5 330 1320 0.097 B57211P0409M3*1
5 5 330 1320 0.102 B57211P0509M3*1
8 4 330 1320 0.159 B57211P0809M3*1
10 4 330 1320 0.161 B57211P0100M3*1
12 4 330 1320 0.171 B57211P0120M3*1
16 3 330 1320 0.278 B57211P0160M3*1
20 3 330 1320 0.286 B57211P0200M3*1
25 2.5 330 1320 0.371 B57211P0250M3*1
33 2.5 330 1320 0.404 B57211P0330M3*1
47 2 330 1320 0.615 B57211P0470M3*1
120 1.5 330 1320 1.152 B57211P0121M3*1
Inrush current limiters B57211P0***M3*1
ICLs P11
Page 3 of 21Please read Cautions and warnings and
Important notes at the end of this document.

B57211P0509M351

Mfr. #:
Manufacturer:
EPCOS / TDK
Description:
Inrush Current Limiters 5 OHMS 5A 330UF RMIN@IMAX 0.487OHMS
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union