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參數資料
| 型號： | MCR18 |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | Thick film rectangular |
| 中文描述： | 厚膜矩形 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 95K |
| 代理商： | MCR18 |
MCR18
Resistors
Thick film rectangular
MCR18
(3216 size: 1 / 4W)
!
Features
1) Power rating of 1 / 4W
2) Highly reliable chip resistor Ruthenium oxide dielectric offers superior resistance to the elements.
3) Electrodes not corroded by soldering
Thick film makes the electrodes very strong.
4) Leading the world in development and mass production.
Since start of production in 1976 (first in the wold), this component has established a solid reputation as a general–
purpose chip resistor.
5) ROHM resistors have approved ISO–9001 certification.
Design and specifications are subject to change without notice. Carefully check the specification sheet before using or
ordering it.
!
Ratings
0.25W (1 / 4W)
55
°
C
to
+
155
°
C
200V
at 70
°
C
Item
Conditions
Specifications
Rated power
Rated voltage
Operating temperature
Nominal resistance
See Table 1.
Limiting element voltage
Power must be derated according to the power derating curve in
Figure 1 when ambient temperature exceeds 70
°
C
.
The voltage rating is calculated by the following equation.
If the value obtained exceeds the limiting element voltage,
the voltage rating is equal to the maximum operating voltage.
E: Rated voltage (V)
P: Rated power (W)
R: Nominal resistance (
)
E
=
P
×
R
0
20
40
60
80
100
55
0
70
100
155
AMBIENT TEMPERAT
URE (
°
C)
Fig.1
P
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