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B5975X Datasheet(PDF) 2 Page - EPCOS

Part # B5975X
Description  PTC thermistors as inrush current limiters
PDF  10 Pages
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Manufacturer  EPCOS [EPCOS]
Direct Link  http://www.epcos.com
Logo EPCOS - EPCOS

B5975X Datasheet(HTML) 2 Page - EPCOS

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Applications
Inrush current limiter (charging resistor) for
smoothing and DC link capacitors
To replace high-power fixed resistors for
capacitor charging
Features
Self-protecting in case of malfunction of
short-circuit relay or internal short circuit of
capacitor
Inrush current limiters are not damaged
when directly connected to Vmax even without
additional current limitation
RoHS-compatible
Delivery mode
Cardboard strips
Dimensional drawing
Dimensions in mm
Type
wmax
hmax
thmax
B750
12.5
16.5
5.0
B751
12.5
16.5
7.0
B752
12.5
16.5
7.0
B753
12.5
16.5
7.0
B754
12.5
16.5
7.0
B755
12.5
16.5
7.0
General technical data
Operating cycles at Vmax
(charging of capacitor)
Nc
> 50000
cycles
Switching cycles at Vmax
(failure mode)
Nf
> 10
cycles
Operating temperature range
(V = 0)
Top
40/+125
°C
Operating temperature range
(V = Vmax)
Top
20/+85
°C
Electrical specifications and ordering codes
Type
Vmax
V AC
Vlink,max
V DC
RR
Ω
∆R
R
%
Tref
(typ.)
°C
Cth
J/K
τ
th
s
Ordering code
B750
260
360
25
±25
115
1.0
100
B59750B0120A070
B751
260
360
50
±25
115
1.4
120
B59751B0120A070
B752
260
360
80
±25
115
1.4
120
B59752B0120A070
B753
440
620
120
±25
115
1.4
120
B59753B0120A070
B754
440
620
150
±25
115
1.4
120
B59754B0120A070
B755
560
800
500
±25
110
1.4
120
B59755B0115A070
Inrush current limiters
Leaded disks
Page 2 of 10
Please read Cautions and warnings and
Important notes at the end of this document.



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