01400141| Datasheet

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Inrush Current Limiters Insulation Voltage 1000 VDC for 1 s, R N/RN = 15 %
Applications
I Switch-mode power supplies I Soft-start motors, e.g. in vacuum cleaners

B57238 S 238

17 max.

7 max.

Features
I Close resistance tolerance, I I I I I

improved insulation voltage Useable in series connections up to 265 Vrms Coated thermistor disk Kinked leads of tinned copper wire Wide resistance range UL approval (E69802)

1 7,5
32+3
TNT0293-3

Delivery mode Bulk (standard), cardboard tape, reeled or in Ammo pack

Dimensions in mm Approx. weight 3 g

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 Test voltage (t = 1 s)

Pmax R N/R N TN B/B th c Cth VT

55/170/56 3,9 15 % 25 3% approx. 20 approx. 80 approx. 1600 1000

W

C
mW/K s mJ/K VDC

R 25

2,5 3,0 5,0

No. of Imax (0 ... 65 C) R/T charA acteristic 8,4 7,4 6,4 1202 1203 1207

B25/100 K 2800 2900 2965

CT1) CT1) Parameters for 230 V 110 V R(I) 1) uF uF k n 700 700 700 2800 2800 2800 0,98 1,04 1,23 1,36 1,36 1,37

Ordering code

B57238S0259L002 B57238S0309L002 B57238S0509L002

1) For details on the capacitance CT as well as on the parameters k and n refer to "Application Notes", pages 40 42.

140 05/02

23 max.

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01400141 DATASHEET