PRF18AS471QB1RB Murata Electronics North America, PRF18AS471QB1RB Datasheet
![THERMISTOR PTC 470 OHM 145C SMD](/photos/1/31/13136/490-ptc_reset_0603_series_sml.jpg)
PRF18AS471QB1RB
Manufacturer Part Number
PRF18AS471QB1RB
Description
THERMISTOR PTC 470 OHM 145C SMD
Manufacturer
Murata Electronics North America
Series
PRF18/21r
Specifications of PRF18AS471QB1RB
Resistance In Ohms @ 25°c
470
Resistance Tolerance
±50%
Operating Temperature
-20°C ~ 160°C
Mounting Type
PCB, Surface Mount
Package / Case
Chip
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Max
-
Other names
490-2461-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PRF18AS471QB1RB
Manufacturer:
MURATA
Quantity:
240 000
No.
(*) Measurement resistance after the test by applying voltage of less than 1.5Vdc by a direct current of less than 10mA after product is left at 25±2°C for 2 hours.
Above mentioned soldering in "2. Adhesive Strength" and "3. Vibration" is done following condition at our side.
1
2
3
4
5
6
7
8
Specifications and Test Methods
PRF18/21 Series
#Glass-Epoxy PC board
#Standard land dimension
#Standard solder paste
#Standard solder profile
Above conditions are mentioned in Notice.
Resistance Value (at 25°C)
Adhesive Strength
Vibration
Solderability
Solder-heatability
Temperature Cycling
Humidity Test
High Temperature
Load Test
Item
The resistance value should be within the specified
tolerance.
There is no sign of electrode exfoliation
Normal appearance
Resistance change: not to exceed ±20% (*)
Min. 75% electrode is covered with new solder.
Resistance change: not to exceed ±20% (*)
Normal appearance
Resistance change: not to exceed ±20% (*)
Normal appearance
Resistance change: not to exceed ±20% (*)
Normal appearance
Resistance change: not to exceed ±20% (*)
Normal appearance
Resistance change: not to exceed ±20% (*)
Rating Value
After applying maximum operating voltage for 3 minutes and
leaving for 2 hours at 25°C, measured by applying voltage of
less than 1.5Vdc (by a direct current of less than 10mA).
EIAJ ET-7403 term 9
Solder PTC to PCB and add a force of 5.0N in the direction
shown below.
JIS C 5102 term 8.2
Soldered PTC to PCB
JIS C 5102 term 8.4
JIS C 5102 term 9.3
Times: 5 cycles
JIS C 5102 term 9.5
40±2°C, 90-95%RH leave for 500±8 hours.
JIS C 5102 term 9.10
85±5°C (in air), load maximum operating voltage for 1000±12
hours.
Vibration: 10-55-10Hz (1 min.)
Width: 1.5mm
Vibrate for 2 hours in each of 3 mutually perpendicular
planes for a total of 6 hours.
Solder: Sn 63%/Pb 37% (or 60/40%)
Solder temp: 230±5°C
Soaking time: 3±0.5 seconds.
Soaking position: Until a whole electrode is soaked.
Solder: Sn 63%/Pb 37% (or 60/40%)
Flux: Solder paste containing less than 0.2wt% of chlorine.
Preheating: 150±5°C 3 minutes.
Peak temp.: 260±5°C 10±5 seconds. (reflow)
PCB: Glass Epoxy PCB (JIS C 6484)
Step
1
2
3
4
Room temp.
Room temp.
+150 +3, -0
Temp. (°C)
-20 +0, -3
Method of Examination
PTC
F
Time (minute)
10-15
10-15
30
30
Glass Epoxy PCB
F=5.0N
F