PRF21BB471QB5RA Murata, PRF21BB471QB5RA Datasheet - Page 9

• Manufacturer Part Number: PRF21BB471QB5RA
• Description: Thermistors - PTC 470 Ohm 50% 32volts
• Manufacturer: Murata
• Type: PTCr

Specifications of PRF21BB471QB5RA

• Resistance: 470 Ohms
• Tolerance: 50 %
• Termination Style: SMD/SMT
• Operating Temperature Range: - 20 C to + 130 C
• Dimensions: 1.25 mm W x 2 mm L x 0.9 mm H
• Voltage: 32 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Please confirm the parameters according to the following questions.
The best selection is the product that matches three parameters.
o
o
o
!Note
Confirmation Items
Example
Selection Standards
voltage
What is the potential maximum
voltage applied to POSISTORr?
Line
• 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 review our product specifications or consult the approval sheet for product specifications before ordering.
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PTGL12AR100M6C01B0
PTGL13AR6R8M6C01B0
PTGL16AR5R6M6C01B0
PTGL12AR100M6C01B0 is the best selection in this case.
Line Voltage 140V
Part Number
V
Maximum voltage
of POSISTORr
Max. Voltage
125
125
140
140
140
140
140
140
(V)
Current at +60 C
How much current flows in the
circuit at normal conditions?
current
Hold
(mA)
Usual
360
420
100
140
170
220
290
340
Usual Current 200mA
Current at -10 C
V
1050
(mA)
900
230
330
400
510
670
780
Trip
of POSISTORr
Hold current
Max. Current
1.7
2.0
0.5
1.0
1.0
1.0
1.0
2.0
(A)
Resistance
4.7 20%
3.3 20%
6.8 20%
5.6 20%
33 20%
22 20%
15 20%
10 20%
(at 25 C)
How much current flows in the
circuit at abnormal conditions?
(ohm)
Abnormal
current
Abnormal Current 580mA
Selection Guide
Diameter (D)
Body
(mm)
18.5
18.5
11.6
13.0
14.0
17.0
7.4
9.6
U
Trip current of
POSISTORr
Thickness
(mm)
5.5
5.5
6.0
6.0
6.0
6.0
6.0
6.0
(T)
Apr.25,2011
R90E.pdf
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