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! Note ? 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 speci?cations. Therefore, please approve our product speci?cations or transact the approval sheet for product speci?cations before ordering.
o Part Numbering
PTC Thermistors (POSISTOR r ) for Overcurrent Protection Chip Type
R90E.pdf
Mar.4,2014
(Part Number)
PR
G
18
BB
470
M
B1
RB
q
w e
r
t
y
u
i
q Product ID
Product ID
t Resistance
Expressed by three-digit alphanumerics. The unit is ohm ( Ω ). The
PR
w Series
PTC Thermistors Chip Type
first and second figures are significant digits, and the third figure
expresses the number of zeros which follow the two figures. If
there is a decimal point, it is expressed by the capital letter " R ." In
this case, all figures are significant digits.
Code
G
Series
for Overcurrent Protection
Ex.
Code
4R7
Resistance
4.7 Ω
470
47 Ω
e Dimensions (L g W)
471
470 Ω
Code
Dimensions (L g W)
EIA
15
1.00 g 0.50mm
0402
y Resistance Tolerance
18
21
1.60 g 0.80mm
2.00 g 1.25mm
0603
0805
Code
M
Resistance Tolerance
±20%
r Temperature Characteristics
u Individual Specifications
Code
BB
Temperature Characteristics
Curie Point 100°C
Ex.
Code
B1
Individual Specifications
Structure, others
BC
Curie Point 90°C
i Packaging
2
Code
RA
RB
RC
RK
Packaging
Embossed Taping (4mm Pitch) (4000 pcs.)
Paper Taping (4mm Pitch) (4000 pcs.)
Paper Taping (2mm Pitch) (10000 pcs.)
Embossed Taping (4mm Pitch) (3000 pcs.)
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