B57464S0109M000 Datasheet, PDF (1/3 Pages) EPCOS – Switch-mode power supplies

Inrush Current Limiters
Applications
I Switch-mode power supplies
I Soft-start motors, e.g. in vacuum cleaners
Features
I Useable in series connections up to 265 V_rms
I Coated thermistor disk
I Kinked leads of tinned copper wire
I High energy absorption capability
Options
Alternative resistance ratings and
resistance tolerances < 20 % available on request
Delivery mode
Bulk
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
26 max.
B57464
S 464
7 max.
ø1
7,5
TNT0128-3
Dimensions in mm
Approx. weight 9 g
55/170/56
6,7
± 20 %
25
±3%
approx. 30
approx. 130
approx. 3900
W
°C
mW/K
s
mJ/K
R₂₅ I_max
No. of
B_25/100 C_T1) Parameters for
(0 … 65 °C) R/T char-
230 V R(I)¹⁾
Ω
A
acteristic K
µF _k
n
Ordering code
1,0 20
1202
2800 2500 0,886 – 1,30 B57464S0109M000
1) For details on the capacitance C_T as well as on the parameters k and n refer to “Application Notes”, pages 40 – 42.
144 05/02