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MF52B2104F3950 датащи(PDF) 2 Page - List of Unclassifed Manufacturers

номер детали MF52B2104F3950
подробное описание детали  NTC Thermistor
PDF  9 Pages
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производитель  ETC [List of Unclassifed Manufacturers]
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MF52B2104F3950 датащи(HTML) 2 Page - List of Unclassifed Manufacturers

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4.4
Thermal time
constant
τ
In still air
sec
≤7
4.5 Insulation resistance
/
100V/DC 1min
MΩ
≥100
4.6
Operating
temperature
/
/
℃
-55 ~ 125
4.7
R&T-table
/
/
/
See attached
table
4.8 Resistance tolerance
/
/
/
See attached
curve
5、Reliability
Item
Test conditions and methods
Technical requirements
5.1
Solderability
The lead wire shall be dipped into solder bath
of 235±5
for 2
℃
~3sec with 6mm space from
the body.
Solder dipped on lead wire should be
uniform and smooth; the coverage
area should be more than 95%.
5.2
Withstand Soldering
heat
The lead wire shall be dipped into solder bath
of 265±5
for
℃
5±1sec with 6mm space from
the body.
No obvious damage,
R25 ΔR/R≤±2%
5.3
Terminal strength
Pull strength：5N，time：10sec
No obvious damage,
R25 ΔR/R≤±2%
5.4
Temperature cycle
-55℃30min→25℃5min→125℃30min
→25℃5min， 5cycles ,recover 4hrs
No obvious damage,
R25 ΔR/R≤±2%
5.5
High temperature
Temperature：125℃，time：16hrs
No obvious damage,
R25 ΔR/R≤±2%
5.6
Low temperature
Temperature：-55℃，Time：2hrs
No obvious damage,
R25 ΔR/R≤±2%
5.7
Low atmospheric
pressure
Atmospheric pressure：40±0.1Kpa，
time :4hrs
No obvious damage,
R25 ΔR/R≤±2%
5.8
Steady humidity
and heat
Temp：40℃，humidity：93%，
Time ：500±12hrs
No obvious damage,
R25 ΔR/R≤±2%，
Withstanding voltage ≥700V/AC 1min
Insulating resistance ≥100MΩ
5.9
Damp heat
Temp：25~40℃，humidity：90%，
Time：24hrs
No obvious damage,
R25 ΔR/R≤±2%，
Withstanding voltage ≥700V/AC 1min
Insulating resistance ≥100MΩ
5.1
0
Zero power
endurance at
upper category
temperature
Temp : 125℃±2℃,
Time :1000±24hrs
No obvious damage,
R25 ΔR/R≤±2%
5.1
1
Vibrate
Frequency ：10~500HZ，swing ：0.75m
or 98m/S2，time :2hurs
No obvious damage,
R25 ΔR/R≤±2%
5.1
2
Bump
Acceleration：250m/S2，pulse duration ：
6mS，Bump times：4000times
No obvious damage,
R25 ΔR/R≤±2%



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