MCR18_2 Datasheet, PDF (1/5 Pages) Rohm – Thick film rectangular Low resistance series

Resistors
MCR18
Thick film rectangular Low resistance series
MCR18 (3216 size (1206 size) : 1 / 4W)
zFeatures
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) Design and specifications are subject to change without notice. Carefully check the specification sheet before using or
ordering it.
zRatings
Item
Rated power
Conditions
Power must be derated according to the power derating curve in
Figure 1 when ambient temperature exceeds 70°C.
100
80
60
40
20
0 _−55
0
70 100
155
AMBIENT TEMPERATURE (°C)
Fig.1
Specifications
0.25W (1 / 4W)
at 70°C
Rated voltage
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= P×R
Nominal resistance See Table 1.
Operating temperature
E: Rated voltage (V)
P: Rated power (W)
R: Nominal resistance (Ω)
Limiting element voltage 1.58V(10Ω)
−55°C to +155°C
Rev.A
1/4