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查询B57235S0100M000供应商
B57235Inrush Current Limiters
S235
Applications
■ Switch-mode power supplies
Features
■ Useable in series connections up to 265 V
■ Coated thermistor disk
■ Kinked leads of tinned copper wire
■ Wide resistance range
■ Small space requirement
■ Cost-effective
■ UL approval (E69802)
rms
Options
Resistance tolerance < 20 % available on request
Delivery mode
Bulk (standard),
cardboard tape, reeled or in Ammo pack
Climatic category (IEC 60068-1)
Max. power at 25
°C P
max
Resistance tolerance ∆RN/R
Rated temperature T
B value tolerance ∆B/B
Dissipation factor (in air)
Thermal cooling time constant (in air) τ
Heat capacity C
N
δ
th
c
th
ø9,5 max.
ø0,6
5
6 max.
TNT0411-B
14 max.
136
_
Dimensions in mm
Approx. weight 0,8 g
55/170/56
1,8
N
± 20 %
25
W
°C
± 3 %
approx. 9
approx. 60
approx. 540
mW/K
s
mJ/K
1)
R
25
Ω
I
max
(0 … 65 °C)
A
No. of
R/T characteristic
B
K
25/100
C
230 V
µF
1)
C
T
Parameters for
T
110 V
R(I)
µF
kn
1)
Ordering code
5,0 4,2 1202 2800 200 800 0,710 – 1,30 B57235S0509M000
6,0 4,0 1202 2800 200 800 0,757 – 1,30 B57235S0609M000
8,0 3,5 1203 2900 200 800 0,814 – 1,32 B57235S0809M000
10,0 3,0 1203 2900 200 800 0,879 – 1,32 B57235S0100M000
1) For details on the capacitance CT as well as on the parameters k and n refer to “Application Notes”, pages 40 –42.
130 05/02
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Reliability data
Test Standard Test conditions
Storage in
dry heat
IEC
60068-2-2
Storage at upper
category temperature
T: 170
°C
t: 1000 h
Storage in damp
heat, steady state
IEC
60068-2-3
Temperature of air: 40
Relative humidity of air: 93 %
Duration: 21 days
Rapid temperature
cycling
IEC
60068-2-14
Lower test temperature: – 55
Upper test temperature: 170
Number of cycles: 10
Endurance I = I
max
t: 1000 h
Cyclic
endurance
, 1000 cycles
I = I
max
On-time = 1 min
Cooling time = 6 min
Transient
load
Capacitance = C
Number of cycles: 1000
B57235Inrush Current Limiters
S235
∆R
25/R25
Remarks
(typical)
< 10 % No visible
damage
°C
< 5 % No visible
damage
< 10 % No visible
°C
°C
damage
< 10 % No visible
damage
< 10 % No visible
damage
T
< 5 % No visible
damage
131 05/02
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Published by EPCOS AG
Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY
++49 89 636 09, FAX (0 89) 636-2 26 89
(
EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without
EPCOS’ prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics
Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representa-
tives.
Due to technical requirements components may contain dangerous substances. For information on the type in question please
also contact one of our Sales Offices.
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