Note

For calculation of the R/T characteristics refer to our special tool "NTC R/T calculation". You may

download this tool from Internet (http://www.epcos.com

→ Design Tools → NTC Thermistors →

NTC R/T Calculation).

Reliability data

Test

Standard

Test conditions

∆R

(typical)

Remarks

Storage in

dry heat

IEC

60068-2-2

Storage at upper

category temperature

T: 155

°C

t: 1000 h

< 2%

No visible

damage

Storage in damp

heat, steady state

IEC

60068-2-78

Temperature of air: 40

°C

Relative humidity of air: 93%

Duration: 56 days

< 1%

No visible

damage

Rapid temperature

cycling

IEC

60068-2-14

Lower test temperature:

55

°C

Upper test temperature: 155

°C

Number of cycles: 100

< 1%

No visible

damage

Long-term stability

(empirical value)

Temperature: 70

°C

t: 10000 h

< 2%

No visible

damage

Temperature measurement

B57863

Miniature sensors with bendable wires

S863

Page 3 of 16

Please read Important notes and

Cautions and warnings at the end of this document.