PRF21BE471QB2RA Murata, PRF21BE471QB2RA Datasheet - Page 71
PRF21BE471QB2RA
Manufacturer Part Number
PRF21BE471QB2RA
Description
Thermistors - PTC 470 OHM 32V
Manufacturer
Murata
Type
PTCr
Series
PRF21r
Datasheet
1.PRF21BB471QB5RA.pdf
(100 pages)
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
- Current page: 71 of 100
- Download datasheet (3Mb)
!Note
Part Number
PRF15
PRF18
PRF21
Standard Land Pattern Dimensions
Overheat Protection Circuit
• 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.
Reflow Soldering
PTH
Soldering
Methods
R
R
b
1
2
Thermal
Connection
Chip (LgW)
Chip
2.0g1.25
a
1.0g0.5
1.6g0.8
R
R
E
L
Dimensions (mm)
Land
0.6-0.8 0.6-0.7 0.6-0.8
1.0-1.2 0.5-0.7 1.0-1.2
Solder resist
0.5
a
Vcc
0.4-0.5
b
(in mm)
0.5
c
Overheat Sensing Chip Type (Related Data)
Resistance - Temperature Characteristics (Typical)
Temperature Sensing Circuit
1000
100
0.1
10
1
PTH
–20
0
R
1
20
40
R
R
R
L1
E1
L2
Temperature ( C)
60
80
BG
R
100
E2
Load
BF
BE
120
BD
Vcc
BC
140
BB
BA
160
AR
AS
69
Apr.25,2011
R90E.pdf
11
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