B57236 データシートの表示（PDF） - EPCOS AG
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B57236 Datasheet PDF : 15 Pages
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Inrush current limiters
ICLs
B57236
S236
Applications
Switch-mode power supplies
Dimensional drawing
Features
Useable in series connections
up to 265 VRMS
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
Dimensions in mm
Approx. weight 1 g
General technical data
Climatic category
Max. power
Resistance tolerance
Rated temperature
Dissipation factor
Thermal cooling time constant
Heat capacity
(IEC 60068-1)
(at 25 °C)
(in air)
(in air)
Pmax
∆RR/RR
TR
δth
τc
Cth
55/170/21
2.1
±20
25
approx. 10
approx. 70
approx. 700
W
%
°C
mW/K
s
mJ/K
Electrical specification and ordering codes
R25
Ω
2.2
2.5
3
4.7
5
8
10
12
16
20
25
50
Imax
(0...65 °C)
A
6.0
5.5
5.0
4.6
4.5
3.7
3.5
3.2
2.9
2.8
2.5
1.9
B25/100
K
2700
2700
2700
2800
2800
2900
2900
2900
2965
3065
3065
3165
C 1)
test
230 V
µF
200
200
300
300
300
300
300
300
300
300
300
300
C 1)
test
110 V
µF
800
800
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
Param.
for R(I)1)
k
0.806
0.621
0.804
0.740
0.761
1.11
0.942
1.00
1.08
1.13
1.22
1.44
Param.
for R(I)1)
n
1.30
1.27
1.34
1.30
1.30
1.34
1.32
1.32
1.33
1.34
1.34
1.38
Ordering code
B57236S0229M000
B57236S0259M000
B57236S0309M000
B57236S0479M000
B57236S0509M000
B57236S0809M000
B57236S0100M000
B57236S0120M000
B57236S0160M000
B57236S0200M000
B57236S0250M000
B57236S0500M000
1) For details on the capacitance Ctest as well as on the parameters k and n refer to "Application notes", chapters 1.6 and 1.7.
Please read Cautions and warnings and
Important notes at the end of this document.
Page 2 of 15
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