PTFL04BH471Q2N34B0【PDF 80/105 页】THERMISTOR

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! 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 speci?cations. Therefore, please approve our product speci?cations or transact the approval sheet for product speci?cations before ordering.

Overheat Sensing Chip Tight Tolerance Type Speci?cations and Test Methods

c PRF15_102 Series

R90E.pdf

Mar.4,2014

No.

Item

Rating Value

Metheod of Examination

After applying maximum operating voltage for 3 mins. and

Resistance Value at 25°C

Within the specified range

leaving for 2 hours in 25°C, measured by applying voltage less

than DC1.0V.

Reference standard: IEC 60068-2-6 (2007)

· Soldered PTC to PCB (**)

Vibration

· Appearance: No defects or abnormalities

· Resistance (R25) change: Less than ±20% (*)

· Frequency range: 10 to 55Hz

· Amplitude: 1.5mm

· Sweep rate: 1 octave/min.

· Direction: X-Y-Z (3 direction)

· 24 cycles in each axis

Reference standard: IEC 60068-2-58 (2004)

Solderability

Wetting of soldering area: U 95%

· Solder: Sn-3.0Ag-0.5Cu

· Solder temp.: 245±5°C

· Immersion time: 3±0.3s

Reference standard: IEC 60068-2-58 (2004)

[ Solder bath method ]

Resistance to Soldering Heat

· Appearance: No defects or abnormalities

· Resistance (R25) change: Less than ±20% (*)

· Solder: Sn-3.0Ag-0.5Cu

· Preheat: 150±5°C, 90 to 120s

· Solder temp.: 260±5°C

· Immersion time: 10±1s

Reference standard: IEC 60068-2-2 (2007)

High Temperature Storage

Low Temperature Storage

Damp Heat, Steady State

Thermal Shock

· Appearance: No defects or abnormalities

· Resistance (R25) change: Less than ±20% (*)

· Soldered PTC to PCB (**)

· (Max. operating temp.)±2°C

· 1000+48/-0 hrs.

Reference standard: IEC 60068-2-1 (2007)

· Soldered PTC to PCB (**)

· (Min. operating temp.)±3°C

· 1000+48/-0 hrs

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

(Min. Operating temp.)±3°C

(Max. Operating temp.)±2°C

Time

30min.

· Test cycle: 5 cycles

Reference standard: IEC 60068-2-2 (2007)

· Soldered PTC to PCB (**)

High Temperature Load

· (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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