PRF18BG471QS2RB Murata, PRF18BG471QS2RB Datasheet - Page 69

• Manufacturer Part Number: PRF18BG471QS2RB
• Description: Thermistors - PTC 470 OHM 32V
• Manufacturer: Murata
• Type: PTCr
• Series: PRF18r

Specifications of PRF18BG471QS2RB

• Resistance: 470 Ohms
• Tolerance: 50 %
• Termination Style: SMD/SMT
• Operating Temperature Range: - 40 C to + 125 C
• Current Rating: 0.1 mAmp
• Dimensions: 0.80 mm W x 1.60 mm L
• Voltage: 32 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10
!Note
• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
sales representatives or product engineers before ordering.
!Note
68
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.
Chip Type Specifications and Test Methods (PRF18/21 Series)
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
• 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 because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
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
R90E.pdf
07.3.19