S981 datasheet(2/27 Pages) EPCOS

2 / 27 page

Applications

Temperature measurement

Features

Flexible epoxy coating of head and wires

High measuring accuracy

Cost-effective

Rugged design

Tinned copper leads

Lead spacing 2.5 mm

Options

Alternative coating length of wires on request

Delivery mode

Bulk (standard), cardboard tape, reeled or in

Ammo pack on request

Dimensional drawing

Dimensions in mm

Approx. weight 150 mg

General technical data

Climatic category

(IEC 60068-1)

55/155/56

Max. power

(at 25

°C)

P25

100

Resistance tolerance

∆R

R/RR

±1, ±3, ±5

Rated temperature

°C

Dissipation factor

(in air)

approx. 4

mW/K

Thermal cooling time constant

(in air)

approx. 11.5

Heat capacity

Cth

approx. 46

mJ/K

Electrical specification and ordering codes

R25

Ω

No. of R/T

characteristic

B25/100

Ordering code

+ =

Resistance tolerance

F =

±1%

H =

±3%

J =

±5%

2.1 k

1008

3560

±1%

B57981S0212+000

10 k

2003

3980

±1%

B57981S0103+001

10 k

2908

3460

±1%

B57981S0103+002

30 k

8018

3964

±1%

B57981S0303+000

Temperature measurement

B57981S

Leaded NTC thermistors, lead spacing 2.5 mm

S981

Page 2 of 27

Please read Cautions and warnings and

Important notes at the end of this document.

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