Datasheet > MCR18_11

MCR18_11

更新时间： 2024-09-16 11:04:23

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罗姆 - ROHM		/
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4页	126K
描述
Low Ohmic Thick Film Chip Resistors

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MCR18_11 数据手册

Low Ohmic Thick Film Chip Resistors

MCR18 (3216 size (1206 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) ROHM resistors have approved ISO9001- / ISO/TS 19649- certification.

Ratings

Design and specifications are subject to change without notice. Carefully check the specification sheet before using or ordering

it.

Item

Conditions

Specifications

0.25W (1 / 4W)

at 70

Rated power

Power must be derated according to the power derating curve in

Figure 1 when ambient temperature exceeds 70°C.

100

−55

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)

Limiting element voltage 1.51(9.1Ω)

R: Nominal resistance (Ω)

Nominal resistance

See Table 1.

−55°C to +155°C

Operating temperature

Table 1

Special

specification

Resistance range

Resistance temperature coefficient

Resistance tolerance

(Ω)

(ppm/°C)

0.1 to 0.13

400 200

250

(E24)

F ( 1%)

0.15 to 9.1

0.047 to 0.091

0.1 to 0.13

500 300

400 200

250

( 5%)

0.15 to 0.91

0.047 to 0.091 (E24)

500 300

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.

www.rohm.com

2011.12 - Rev.G

1/3

12 3 4

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