Inrush current limiters
ICLs
B57236
S236
Applications
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
UL approval (E69802)
Options
Resistance tolerance <20% and alternative
lead configurations available on request
Delivery mode
Bulk (standard),
cardboard tape, reeled or in Ammo pack
General technical data
Climatic category
Max. power
Resistance tolerance
Rated temperature
B value tolerance
Dissipation factor
Thermal cooling time constant
Heat capacity
(IEC 60068-1)
(at 25
°C)
Dimensional drawing
Dimensions in mm
Approx. weight 1 g
(in air)
(in air)
P
max
∆R
R
/R
R
T
R
∆B/B
δ
th
τ
c
C
th
55/170/21
2.1
±20
25
±3
approx. 10
approx. 70
approx. 700
W
%
°C
%
mW/K
s
mJ/K
Electrical specification and ordering codes
I
max
(0...65
°C)
Ω
A
2.5 5.5
3 5.0
5 4.5
8 3.5
10 3.5
12 3.2
16 2.9
20 2.8
25 2.5
50 1.9
80 1.6
R
25
No. of
R/T char-
acteristic
1201
1201
1202
1203
1203
1203
1207
1208
1208
1209
1304
B
25/100
K
2700
2700
2800
2900
2900
2900
2965
3065
3065
3165
3300
C
test1)
230 V
µF
200
300
300
300
300
300
300
300
300
300
400
C
test1)
Param. Param.
110 V for R(I)
1)
for R(I)
1)
µF
k
n
1.27
800 0.621
1.34
1200 0.804
1.30
1200 0.761
1.34
1200 1.11
1.32
1200 0.942
1.32
1200 1.00
1.33
1200 1.08
1.34
1200 1.13
1.34
1200 1.22
1.44
1.38
1200
1.37
1600 1.64
Ordering code
B57236S0259M000
B57236S0309M000
B57236S0509M000
B57236S0809M000
B57236S0100M000
B57236S0120M000
B57236S0160M000
B57236S0200M000
B57236S0250M000
B57236S0500M000
B57236S0800M000
1) For details on the capacitance C
test
as well as on the parameters k and n refer to "Application Notes", chapters 2.6 and 2.7.
Please read
Important notes
and
Cautions and warnings
at the end of this document.
Page 2 of 6
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