PRF21BE471QB2RA Murata, PRF21BE471QB2RA Datasheet - Page 9

Thermistors - PTC 470 OHM 32V

PRF21BE471QB2RA

Manufacturer Part Number
PRF21BE471QB2RA
Description
Thermistors - PTC 470 OHM 32V
Manufacturer
Murata
Type
PTCr
Series
PRF21r
Datasheet

Specifications of PRF21BE471QB2RA

Resistance
470 Ohms
Tolerance
5 %
Termination Style
SMD/SMT
Operating Temperature Range
- 20 C to + 110 C
Current Rating
0.1 mAmp
Dimensions
1.25 mm W x 2 mm L
Voltage
140 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 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
7

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