ROHM MCR10 Technical data

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Resistors

Thick film rectangular

MCR10

MCR10 (2012 size : 1 / 8W

)

!Features

1) Power rating of 1 / 8W

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 1982 (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

Item Conditions Specifications

Rated power

Power must be derated according to the power derating curve in
Figure 1 when ambient temperature exceeds 70°

100

80

60

40

POWER LOAD (%)

20

0

−55 0 70 100 155
AMBIENT TEMPERATURE (°C)

Fig.1

C

.

0.125W (1 / 8W)
at 70°C

Rated voltage

Nominal resistance
Operating temperature

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

See Table 1.

P: Rated power (W)
R: Nominal resistance (Ω)

Limiting element voltage 150V

C

−55°

∼ + 155°

C

1/5

Resistors

MCR10

Jumper type

Resistance
Rated current
Operating temperature

!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

is greater than its rated voltage.

!

Characteristics

Item Test conditions (JIS C 5201-1)

Resistance
Variation of resistance

with temperature

Overload

Solderability

Resistance to
soldering heat

Rapid change of
temperature

Damp heat, steady state

Endurance at 70°C

Endurance

Resistance to solvent

Bend strength of
the end face plating

Max. 50mΩ

2A

−55°C to +155°C

J : ±5%
F : ±1%

± (2.0%+0.1Ω) Max. 50mΩ

± (1.0%+0.05Ω)

± (1.0%+0.05Ω)

± (3.0%+0.1Ω)

± (3.0%+0.1Ω)

± (3.0%+0.1Ω)

± (1.0%+0.05Ω)

± (1.0%+0.05Ω)

Table 1
Resistance tolerance

F(±1%)

J (±5%)

Guaranteed value

Resistor type

See Table.1

A new uniform coating of minimum of
95% of the surface being immersed
and no soldering damage.

No remarkable abnormality on the appearance.

Without mechanical damage such as breaks.

Resistance range

(Ω)

0.1 ≤ R < 0.15 (E24)

0.15 ≤ R < 10 (E24)

10 ≤ R ≤ 2.2M

0.1 ≤ R < 0.15 (E24)

0.15 ≤ R < 1 (E24)

1.0 ≤ R < 2.2 500±350

2.2 ≤ R < 10 ±500
10 ≤ R ≤ 10M

Jumper type

Max. 50mΩ JIS C 5201-1 4.5

Max. 50mΩ

Max. 50mΩ

Max. 100mΩ

Max. 100mΩ

Max. 100mΩ

Max. 50mΩ

Max. 50mΩ

(E24,96)

(E24)
(E24)
(E24)

Resistance temperature coefficient

JIS C 5201-1 4.8
Measurement : −55 / +25 / +125°C

JIS C 5201-1 4.13
Rated voltage (current) ×2.5, 2s.
Maximum overload voltage : 200V

JIS C 5201-1 4.17
Rosin·Ethanol (25%WT)
Soldering condition : 235±5
Duration of immersion : 2.0±0.5s.

JIS C 5201-1 4.18
Soldering condition : 260±5
Duration of immersion : 10±1s.

JIS C 5201-1 4.19
Test temp. : −55

JIS C 5201-1 4.24

°C, 93%RH

40
Test time : 1,000h~1,048h

JIS C 5201-1 4.25.1
Rated voltage (current), 70

1.5h : ON − 0.5h : OFF
Test time : 1,000h~1,048h

JIS C 5201-1 4.25.3
155
Test time : 1,000h~1,048h

JIS C 5201-1 4.29
23±5
Solvent : 2-propanol

JIS C 5201-1 4.33

(ppm/°C)

400±200

±250

±100

400±200

±250

±200

°C

°C

°C

~+125°C 5cyc

°C

°C

°C

, Immersion cleaning, 5±0.5min.

2/5