PTC Thermistors POSISTOR ® for Circuit Protection - Murata

!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications. Therefore, please approve our product specifi cations or transact the approval sheet for product specifi cations before ordering.
R90E.pdf
Sep.24,2012
Inrush Current Suppression Specifications and Test Methods
Item
Rating Value
Method of Examination
Humidity Test
High Temperature
Continuous Load
Load Cycle Test at
Room Temperature
ΔR/R25V±20%
ΔR/R25V±20%
ΔR/R25V±20%
POSISTORr is set in an environmental chamber at 85±3°C
and 85% humidity for 500±4 hours.
After the device is left at room temperature (25°C) for one hour,
the resistance measurement is performed.
POSISTORr is set in an environmental chamber at 85±3°C
with maximum voltage applied for 500±4 hours.
After the device is left at room temperature (25°C) for one hour,
the resistance measurement is performed.
POSISTORr is set in a room temperature (25±2°C) with
maximum voltage applied for 1 minute, and then is left without
voltage applied for 5 minutes. This cycle is repeated for 10k
cycles, and after the device is left at room temperature (25°C)
for one hour, the resistance measurement is performed.
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