|
PRF18BA471QB5RB Datasheet, PDF (81/104 Pages) Murata Manufacturing Co., Ltd. – POSISTOR for Circuit Protection | |||
|
◁ |
!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 speciï¬cations. Therefore, please approve our product speciï¬cations or transact the approval sheet for product speciï¬cations before ordering.
R90E.pdf
Sep.24,2012
Overheat Sensing Chip Tight Tolerance Type Speciï¬cations and Test Methods
c PRF15_103R Series
No.
Item
1 Resistance Value (at 25°C)
Rating value
The resistance value should be within the
specified tolerance.
2 Vibration
There is no abnormal appearance after the test.
Resistance change is less than ±20%.(*)
3 Solderability
Min. 95% electrode is covered with new solder.
Resistance change is less than ±20%.(*)
4 Soldering Heat Resistance
There is no abnormal appearance after the test.
Resistance change is less than ±20%.(*)
5 Dry Heat
6 Cold
7 Damp Heat
8 Temperature Cycling
There is no abnormal appearance after the test.
Resistance change is less than ±20%.(*)
9 High Temperature Load
*: The resistance measurement after the test.
It is measured by applying voltage less than 3VDC after left at 25±2°C for 2 hours.
**: Above mentioned soldering is done under the following conditions at our side.
· Glass-Epoxy PC board
· Standard land dimension
· Standard solder paste
· Standard solder profile
Above conditions are mentioned in Notice.
Method of Examination
After applying maximum operating voltage for 3 minutes and
leaving for 2 hours at 25°C, measured by applying voltage of
less than 3VDC.
Soldered PTC to PCB (**)
· Vibration: 10 to 55 to 10Hz (1min.)
· Max. Amplitude: 1.5mm
Vibrate for 2 hours in each of 3 mutually perpendicular plane for
a total of 6 hours.
This test condition is according to "JIS C 60068-2-6 (1999)."
· Solder temp.: 230±5°C
· Solder: Sn 63%/Pb 37% (or 60/40%)
· Soaking time: 3±0.5 secs.
· Soaking position: Until a whole electrode is soaked.
This test condition is according to "JIS C 60068-2-58 (2006)."
· Solder temp.: 260±5°C
· Solder: Sn 63%/Pb 37% (or 60/40%)
· Flux: Containing less than 0.2wt% of chlorine.
· Soaking time: 10±1 secs.
· Soaking position: Until a whole electrode is soaked.
· Preheating: 150±5°C 3 mins.
This test condition is according to "JIS C 60068-2-58 (2006)."
· Soldered PTC to PCB. (**)
· +125±3°C leave for 1000+12/-0 hrs.
This test condition is according to "JIS C 60068-2-2 (1995)."
· Soldered PTC to PCB. (**)
· -20±3°C leave for 1000+12/-0 hrs.
· Soldered PTC to PCB. (**)
· +60±3°C, 90 to 95%RH leave for 1000+12/-0 hrs.
· Soldered PTC to PCB. (**)
· Cycles: 5 cycles
· Conditions: See below table
Step
1
2
Temp. (°C)
-20+0, -3
Room temp.
3
+125+3, -0
4
Room temp.
Time (minute)
30
10 to 15
30
10 to 15
· Soldered PTC to PCB. (**)
· 85±3°C (in air), load max.
operating voltage for 1000+12/-0 hrs.
79
|
▷ |