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PRF18BA471QB5RB Datasheet, PDF (80/104 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 specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
R90E.pdf
Sep.24,2012
Overheat Sensing Chip Tight Tolerance Type Specifications and Test Methods
c PRF15_102R Series
No.
Item
Creteria
Test Conditions
1 Resistance Value at 25°C
Within the specified range
After applying maximum operating voltage for 3 mins. and
leaving for 2 hours in 25°C, measured by applying voltage less
than DC1.0V.
2 Vibration
s2ESISTANCE2 CHANGE,ESSTHAN±20% (*)
s!PPEARANCE.ODEFECTSORABNORMALITIES
Reference standard: IEC 60068-2-6 (1995)
· Soldered PTC to PCB (**)
· Frequency range: 10 to 55Hz
· Amplitude: 1.5mm
· Sweep rate: 1 octave/min.
· Direction: X-Y-Z (3 direction)
· 24 cycles in each axis
3 Solderability
Wetting of soldering area: U95%
Reference standard: IEC 60068-2-58 (2004)
· Solder: Sn-3.0Ag-0.5Cu
· Solder temp.: 245±5°C
· Immersion time: 3±0.3s
4 Resistance to Soldering Heat
· Appearance: No defects or abnormalities
· Resistance (R25) change: Less than ±20% (*)
Reference standard: IEC 60068-2-58 (2004)
[ Solder bath method ]
· Solder: Sn-3.0Ag-0.5Cu
· Preheat: 150±5°C, 90 to 120s
· Solder temp.: 260±5°C
· Immersion time: 10±1s
5 High Temperature Storage
Reference standard: IEC 60068-2-2 (2007)
· Soldered PTC to PCB (**)
· (Max. operating temp.)±2°C
· 1000+48/-0 hrs.
6 Low Temperature Storage
Reference standard: IEC 60068-2-1 (2007)
· Soldered PTC to PCB (**)
· (Min. operating temp.)±3°C
· 1000+48/-0 hrs
7 Damp Heat, Steady State
8 Thermal Shock
· Appearance: No defects or abnormalities
· Resistance (R25) change: Less than ±20% (*)
Reference standard: IEC 60068-2-67 (1995)
· Soldered PTC to PCB (**)
· +85±2°C, 85±5%RH
· 1000+48/-0 hrs
Reference standard: IEC 60068-2-14 (2009)
[ Test Na ]
· Soldered PTC to PCB (**)
· Transport time: <10 sec.
· Test condition: See below table
Step
Condition
1 (Min. Operating temp.)±3°C
2 (Max. Operating temp.)±2°C
· Test cycle: 5 cycles
Time
30min.
30min.
9 High Temperature Load
Reference standard: IEC 60068-2-2 (2007)
· Soldered PTC to PCB (**)
· (Max. operating temp.)±2°C
· Applied max. voltage
· 1000+48/-0 hrs.
*: The resistance value after the test. It is measured by applying voltage less than DC1.0V after left at 25±2°C for 2hrs.
**: 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.
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