B57301 EPCOS AG, B57301 Datasheet - Page 3

• Manufacturer Part Number: B57301
• Description: Ntc Thermistors For Temperature Measurement
• Manufacturer: EPCOS AG

Reliability data
Test
Storage in
dry heat
Storage in damp
heat, steady state
Rapid temperature
cycling
Storage in water
Vibration
resistance
Voltage proof test
Please read Cautions and warnings and
Important notes at the end of this document.
Temperature measurement
Probe assemblies
Standard
IEC
60068-2-2
IEC
60068-2-78
IEC
60068-2-14
IEC
60068-2-6
Test conditions
Storage at maximum operating
temperature
T: 110 C
t: 1000 h
Temperature of air: 40 C
Relative humidity of air: 93%
Duration: 56 days
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: 60000
Medium: ethyleneglycol/water
(metal head immersed to the
liquid medium up to the sealing)
Temperature of water: 80 C
t: 1000 h
Applied voltage with drop resistor
3.9 k : 5 V DC
(metal head immersed to the
liquid medium up to the sealing)
Frequency range: 10 to 1000 Hz
Amplitude: 1.5 mm, 10 g
Duration: 3 x 4 h
2500 V AC
1 s
Page 3 of 9
(typical)
< 2%
< 2%
< 2%
< 2%
< 2%
R
25
/R
25
Remarks
No visible
damage
No visible
damage
No visible
damage
No visible
damage
No visible
damage
No flashover
K301-A003
B57301K