PRG18BB471MB1RB Murata, PRG18BB471MB1RB Datasheet - Page 13

• Manufacturer Part Number: PRG18BB471MB1RB
• Description: Thermistors - PTC 470 OHM 24V
• Manufacturer: Murata
• Type: PTCr
• Series: PRGr

Specifications of PRG18BB471MB1RB

• Resistance: 470 Ohms
• Tolerance: 20 %
• Termination Style: SMD/SMT
• Operating Temperature Range: - 10 C to + 60 C
• Current Rating: 60 mAmps
• Dimensions: 0.8 mm W x 1.6 mm L x 0.8 mm H
• Voltage: 24 V
• Package / Case: 0603
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1
!Note
!Note
12
No.
10
(*) Measure 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 "4. Adhesive Strength" and "5. Vibrationability" is done under the following conditions at our site.
Chip Type Specifications and Test Methods
1
2
3
4
5
6
7
8
9
Specifications and Test Methods
24/20V Series
#Glass-Epoxy PC board
#Recommendable land dimension
#Recommendable solder paste
#Recommendable solder profile
Above conditions are mentioned in Notice.
Operating Temp.
Resistance Value (at 25°C)
Withstanding Voltage
Adhesive Strength
Vibrationability
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.
Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
This catalog has only typical specifications. Therefore, you are requested to approve our product specifications or to transact the approval sheet for product specifications before ordering.
Item
-10 to 60°C
The resistance value should be within the specified
tolerance.
Without damage
There is no exfoliation sign of electrode.
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
Temperature range with maximum voltage applied to PTC.
After applying maximum operating voltage for 3 mins. and leav-
ing for 2 hrs. in 25°C, measured by applying voltage of less
than 1.5Vdc (by a direct current of less than 10mA).
We apply 120% of the maximum operating voltage to PTC by
rising gradually for 180±5 secs. at 25°C. (A protective resistor
is to be connected in series, and the inrush current through
PTC must be limited below maximum rated value.)
EIAJ ET-7403 term 9
Soldered PTC to PCB and add the force of 5.0N in the direction
as shown below.
JIS C 5102 term 8.2
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±4 hrs.
JIS C 5102 term 9.10
60±3°C (in air), PTC is applied max. operating voltage for 1.5
hrs. on and 0.5 hrs. off. This cycle is repeated for 1000±10 hrs.
Soldered PTC to PCB
Vibration: A 10-55-10Hz (1 min.)
Width: 1.5mm
Vibrate for 2 hrs. in each of 3 mutually perpendicular planes
for a total of 6 hrs.
Solder: Sn 63%/Pb 37% (or 60/40%)
Solder temp: 230±5°C
Soaking time: 3±0.5 s.
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 3mins.
Peak temp.: 260±5°C 10±5 s. (reflow)
PCB: Glass Epoxy PCB (JIS C 6484)
Step
1
2
3
4
Room temp.
Room temp.
Temp. (°C)
+85 +3, -0
-20 +0, -3
Method of Examination
PTC
F
Time (min.)
10-15
10-15
30
30
Glass Epoxy PCB
F=5.0N
R90E7.pdf 05.3.30
F