Inrush Current Limiting
B57236
S 236
Applications
q
Switch-mode power supplies
Features
q
q
q
q
q
q
Useable in series connections up to 265 V
rms
Coated thermistor disk
Kinked leads of tinned, copper wire
Wide resistance range
Available on tape
UL approval (E69802)
Options
Resistance tolerance < 20 % available on request
Dimensions in mm
Approx. weight 1 g
Lower/upper category temperature
Max. power at 25
擄C
Resistance tolerance
Rated temperature
B value tolerance
Dissipation factor (in air)
Thermal cooling time constant (in air)
Heat capacity
P
max
鈭?/div>
R/R
N
T
N
鈭?/div>
B/B
未
th
蟿
c
C
th
鈥?55/+ 170
2,1
鹵
20 %
25
鹵
3%
approx. 10
approx. 70
approx. 700
擄C
W
擄C
mW/K
s
mJ/K
Type
R
25
鈩?/div>
S 236/2,5/M
2,5
S 236/5,0/M
5,0
S 236/10/M 10
S 236/12/M 12
S 236/16/M 16
S 236/20/M
S 236/25/M
S 236/50/M
S 236/80/M
20
25
50
80
I
max
(0 鈥?65
擄C)
A
5,5
4,5
3,5
3,2
2,9
2,8
2,5
1,9
1,6
No. of
B
25/100
R/T
char-
acteristic K
1201
1202
1203
1203
1207
1208
1208
1209
1304
2700
2800
2900
2900
2965
3065
3065
3165
3300
C
T1)
230 V
碌F
200
300
300
300
300
300
300
300
400
C
T1)
110 V
碌F
800
1200
1200
1200
1200
1200
1200
1200
1600
Parameters
for
R(I)
1)
k
n
0,621
0,761
0,942
1,00
1,08
1,13
1,22
1,44
1,64
鈥?1,30
鈥?1,32
鈥?1,32
鈥?1,33
Ordering
code
B57236-
S509-M
S100-M
S120-M
S160-M
鈥?1,27 S259-M
鈥?1,34 S200-M
鈥?1,34 S250-M
鈥?1,38 S500-M
鈥?1,37 S800-M
1) For details on the capacitance
C
T
as well as on the parameters
k
and
n
refer to
pages 33鈥?5.
78
Siemens Matsushita Components
1
