B57464S0109M000_09 Datasheet, PDF (2/15 Pages) EPCOS – NTC thermistors for inrush current limiting

Inrush current limiters
ICLs
B57464
S464
Applications
Switch-mode power supplies
Soft-start motors, e.g. in vacuum cleaners
Dimensional drawing
Features
Useable in series connections
up to 265 V_RMS
Coated thermistor disk
Kinked leads of tinned copper wire
High energy absorption capability
Options
Resistance tolerance <20%, alternative lead
configurations and resistance ratings available
on request
Delivery mode
Bulk
Dimensions in mm
Approx. weight 9 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)
P_max
∆R_R/R_R
T_R
δ_th
τ_c
C_th
55/170/21
6.7
±20
25
approx. 30
approx. 130
approx. 3900
W
%
°C
mW/K
s
mJ/K
Electrical specification and ordering codes
R₂₅
I_max
B_25/100
C 1)
test
C 1)
test
Param.
Param.
Ordering code
(0...65 °C)
230 V 110 V for R(I)¹⁾ for R(I)¹⁾
Ω
A
K
µF
µF
k
n
1
20
2
13.5
5
9.5
10
8.0
2800
2900
3060
3300
2500
2500
2500
2500
10000
10000
10000
10000
0.886
1.24
1.62
1.94
1.30
1.35
1.39
1.42
B57464S0109M000
B57464S0209M000
B57464S0509M000
B57464S0100M000
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