Inrush Current Limiters
B57235
S 235
Applications
I
Switch-mode power supplies
ø9,5 max.
6 max.
14 max.
Features
I
I
I
I
I
I
I
Useable in series connections up to 265 V
rms
Coated thermistor disk
Kinked leads of tinned copper wire
Wide resistance range
Small space requirement
Cost-effective
UL approval (E69802)
ø0,6
5
36
_
1
TNT0411-B
Options
Resistance tolerance < 20 % available on request
Delivery mode
Bulk (standard),
cardboard tape, reeled or in Ammo pack
Dimensions in mm
Approx. weight 0,8 g
Climatic category (IEC 60068-1)
Max. power at 25
°
C
Resistance tolerance
Rated temperature
B
value tolerance
Dissipation factor (in air)
Thermal cooling time constant (in air)
Heat capacity
P
max
∆
R
N
/R
N
T
N
∆
B/B
δ
th
τ
c
C
th
55/170/56
1,8
±
20 %
25
±
3%
approx. 9
approx. 60
approx. 540
W
°
C
mW/K
s
mJ/K
R
25
Ω
5,0
6,0
8,0
10,0
No. of
I
max
(0 … 65
°
C)
R/T
char-
A
acteristic
4,2
4,0
3,5
3,0
1202
1202
1203
1203
B
25/100
K
2800
2800
2900
2900
C
T1)
C
T1)
Parameters for
230 V 110 V
R(I)
1)
µ
F
µ
F
k
n
200
200
200
200
800
800
800
800
0,710
0,757
0,814
0,879
– 1,30
– 1,30
– 1,32
– 1,32
Ordering code
B57235S0509M000
B57235S0609M000
B57235S0809M000
B57235S0100M000
1) For details on the capacitance
C
T
as well as on the parameters
k
and
n
refer to “Application Notes”, pages 40 – 42.
130
05/02
EPCOS [ EPCOS ]
