1) Power rating of 1 / 4W (Rated power is more than twice that of MCR series)
2) Superior anti surge to MCR series
3) Highly reliable chip resistor
Ruthenium oxide dielectric offers superior resistance to the elements.
4) 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
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
POWER LOAD (%)
Specifications
0.25W (1 / 4W)
at 70°C
60
40
20
0
−55
0
70
100
155
AMBIENT TEMPERATURE (
°
C)
Fig.1
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: Rated voltage (V)
E= P×R
P: Rated power (W)
R: Nominal resistance (Ω)
Limiting element voltage
150V
Nominal resistance
Operating temperature
See Table 1.
−55°
C
to +155°C
Rev.A
1/6
ESR10
Resistors
Table 1
Resistance tolerance
Resistance range
(Ω)
Resistance temperature coefficient
(ppm/°C)
D (±0.5%)
J (±5%)
10
≤
R
≤
1M
1
≤
R
≤
10M
(E24,96)
(E24)
±100
±200
Before using components in circuits where they will be exposed to transients such as pulse loads (short–duration, high– level loads), be certain to evaluate the
component in the mounted state. In addition, the reliability and performance of this component cannot be guaranteed if it is used with a steady state voltage that
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