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129

SPECIFICATION

RESISTORS

PRECISION METAL FILM DMR

CURRENT NOISE

POWER DE-RATING

100

80

60

40

20

0

70

155

0

20 40

180

100 120 140

Ambient Temperature /ϒC

1.0

0.3

0.1

0.03

0.01

0.003

10k

100

1k

100k

1M

Nominal Resistance /�

1/4W

1/2W

10

*RatedContinuousWorkingVoltage(RCWV)=√PowerRatingxResistanceValue

PERFORMANCE TEST

TEST METHOD

APPRAISE

ShortTimeOverload

JIS-C-52025.5

2.5TimesRCWVfor5seconds

±(0.25%+0.05Ω)

DielectricWithstandingVoltage

JIS-C-52025.7

inV-Blockfor60seconds

byType

TemperatureCoefficientofResistance

JIS-C-52025.2

-55˚Cto155˚C

byType

InsulationResistance

JIS-C-52025.6

inV-Block

>10000MΩ

Solderability

JIS-C-52026.5

260˚Cfor±5Seconds

95%Min.Coverage

ResistancetoSolvent

JIS-C-52026.9

Trichloroethanefor1Min.withUltrasonic

NoDeteriorationof

coatings&markings

TerminalStrength

DirectLoadfor10Sec.inTheDirectionofTerminalLeads

>2.5kg(24.5N)

PulseOverload

JIS-C-52025.8

4TimesRCWV10000Cycles(1Sec.on,25Sec.off)

±(2%+0.05Ω)

LoadLifeinHumidity

JIS-C-52027.9

40±2˚C,90~95%RHatRCWVfor1000hrs.

±(1.5%+0.05Ω)

(1.5Hrs.on,0.5Hrs.off)

LoadLife

JIS-C-52027.10

70˚CatRCWVfor1000Hrs.(1.5Hrs.on,0.5Hrsoff)

±(1.5%+0.05Ω)

TemperatureCycling

JIS-C-52027.4

-55˚CRoomTemp.155˚CRoomTemp.for5Cycles

±(0.25%+0.05Ω)

ResistancetoSolderingHeat

JIS-C-52026.4

350˚C±10˚Cfor3±0.5seconds

±(0.25%+0.05Ω)