PTC Thermistors POSISTOR ® for Circuit Protection - Murata
PTC Thermistors POSISTOR ® for Circuit Protection - Murata
PTC Thermistors POSISTOR ® for Circuit Protection - Murata
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
!Note • Please read rating and !CAUTION (<strong>for</strong> storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.<br />
• This catalog has only typical specifications. There<strong>for</strong>e, please approve our product specifi cations or transact the approval sheet <strong>for</strong> product specifi cations be<strong>for</strong>e ordering.<br />
R90E.pdf<br />
Sep.24,2012<br />
Inrush Current Suppression Specifications and Test Methods<br />
Item<br />
Rating Value<br />
Method of Examination<br />
Humidity Test<br />
High Temperature<br />
Continuous Load<br />
Load Cycle Test at<br />
Room Temperature<br />
ΔR/R25V±20%<br />
ΔR/R25V±20%<br />
ΔR/R25V±20%<br />
<strong>POSISTOR</strong>r is set in an environmental chamber at 85±3°C<br />
and 85% humidity <strong>for</strong> 500±4 hours.<br />
After the device is left at room temperature (25°C) <strong>for</strong> one hour,<br />
the resistance measurement is per<strong>for</strong>med.<br />
<strong>POSISTOR</strong>r is set in an environmental chamber at 85±3°C<br />
with maximum voltage applied <strong>for</strong> 500±4 hours.<br />
After the device is left at room temperature (25°C) <strong>for</strong> one hour,<br />
the resistance measurement is per<strong>for</strong>med.<br />
<strong>POSISTOR</strong>r is set in a room temperature (25±2°C) with<br />
maximum voltage applied <strong>for</strong> 1 minute, and then is left without<br />
voltage applied <strong>for</strong> 5 minutes. This cycle is repeated <strong>for</strong> 10k<br />
cycles, and after the device is left at room temperature (25°C)<br />
<strong>for</strong> one hour, the resistance measurement is per<strong>for</strong>med.<br />
69