B57235_06 datasheet(2/6 Pages) EPCOS

2 / 6 page

1) For details on the capacitance Ctest as well as on the parameters k and n refer to "Application Notes", chapters 2.6 and 2.7.

Applications

Switch-mode power supplies

Features

Useable in series connections up to 265 Vrms

Coated thermistor disk

Kinked leads of tinned copper wire

Wide resistance range

Small space requirement

Cost-effective

UL approval (E69802)

Options

Resistance tolerance <20% and alternative

lead configurations available on request

Delivery mode

Bulk (standard),

cardboard tape, reeled or in Ammo pack

Dimensional drawing

Dimensions in mm

Approx. weight 0.8 g

General technical data

Climatic category

(IEC 60068-1)

55/170/21

Max. power

(at 25

°C)

Pmax

1.8

Resistance tolerance

∆R

R/RR

±20

Rated temperature

°C

B value tolerance

∆B/B

±3

Dissipation factor

(in air)

approx. 9

mW/K

Thermal cooling time constant

(in air)

approx. 60

Heat capacity

Cth

approx. 540

mJ/K

Electrical specification and ordering codes

R25

Ω

Imax

(0...65

°C)

No. of

R/T char-

acteristic

B25/100

Ctest1)

230 V

µF

Ctest1)

110 V

µF

Param.

for R(I)1)

Param.

for R(I)1)

Ordering code

4.2

1202

2800

200

800

0.710

1.30

B57235S0509M000

4.0

1202

2800

200

800

0.757

1.30

B57235S0609M000

3.5

1203

2900

200

800

0.814

1.32

B57235S0809M000

3.0

1203

2900

200

800

0.879

1.32

B57235S0100M000

Inrush current limiters

B57235

ICLs

S235

Page 2 of 6

Please read Important notes and

Cautions and warnings at the end of this document.

B57235 数据表(PDF) 2 Page - EPCOS

B57235 数据表(HTML) 2 Page - EPCOS

Html Pages

1 2 3 4 5 6

数据表下载