B57301K datasheet(3/9 Pages) EPCOS

3 / 9 page

Reliability data

Test

Standard

Test conditions

∆R

25/R25

(typical)

Remarks

Storage in

dry heat

IEC

60068-2-2

Storage at maximum operating

temperature

T: 110

°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

< 2%

No visible

damage

Rapid temperature

cycling

IEC

60068-2-14

Lower test temperature: 20

°C

Upper test temperature: 90

°C

Dwell time: 15 s

Time to change from lower to

upper temperature: approx. 5 s

Number of cycles: 60 000

Medium: ethyleneglycol/water

(metal head immersed to the

liquid medium up to the sealing)

< 2%

No visible

damage

Storage in water

Temperature of water: 80

°C

t: 1000 h

Applied voltage with drop resistor

3.9 k

Ω: 5 V DC

(metal head immersed to the

liquid medium up to the sealing)

< 2%

No visible

damage

Vibration

resistance

IEC

60068-2-6

Frequency range: 10 to 1000 Hz

Amplitude: 1.5 mm, 10 g

Duration: 3 x 4 h

< 2%

No visible

damage

Voltage proof test

2500 V AC

1 s

No flashover

Temperature measurement

B57301K

Probe assemblies with O-ring sealing

K301-A001

Page 3 of 9

Please read Cautions and warnings and

Important notes at the end of this document.

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