Data Sheet

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DATASHEET
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This is a publication by Conrad Electronic SE, Klaus-Conrad-Str. 1, D-92240 Hirschau (www.conrad.com).
All rights including translation reserved. Reproduction by any method, e.g. photocopy, microfilming, or the capture in electronic data processing systems require the prior written
approval by the editor. Reprinting, also in part, is prohibited. This publication represent the technical status at the time of printing.
© Copyright 2017by Conrad Electronic SE.
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Markingismadebycolorcodingonsurface.
5. OperatingTemperatureRange:‐55°C155°C
6. MechanicalPerformance:
6.1. Terminaltensile:
ToFixtheresistorbody,astaticloadof1.5kgs.(1/8W&1/4Waxialform:1kg.)istobegraduallyappliedinto
theterminalfor10secondswithoutcausinganyloosenessandfall.
6.2. Twistwithstand:
Tobendtheleadwireatthepointofabout6mmfromresistorbodyto90°,thencatchthewireat1.2±
0.4mmapartfromthebentpointendandturnit(clockwise)by360degreesperpendiculartotheresistoraxis
atspeedof5secondsperturn,anddothesamecounterclockwiseagainwhichconstituteawholeturn.
Repeattheturn2timeswithoutcausinganybreakandlooseness.
7. ElectricalPerformance:
7.1. ResistanceTemperatureCoefficient:
ItshallbeasfoIIowing:
T.C.
TYPE
0‐450 0‐700 0‐1000 0‐1300
1/6W,1/8W
≦47KΩ
51KΩ100KΩ 110KΩ330KΩ 360KΩ1MΩ
1/4W&OVER
≦ 100KΩ
110KΩ1MΩ 1.1MΩ2.2MΩ 2.4MΩ4.7MΩ
T.C.(ppm/°C)=[(R2‐R1)÷R1] × [1÷(T2‐T1)]× 10
6
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where R1: resistancevalueatreferencetemperature
 R2: resistancevalueattesttemp.
 T1: referencetemp.(usu.25°C)
 T2: testtemp.(about75°C)
7.2. TemperatureCycle:
Followingtemp.cyclesaretobemade5timesandthenputatroomtemp.foronehour,theresistancevalue
changeratebetweenpre‐and‐posttestshallbewithin±1%.
Steps Temperature(°C) Time(minutes)
1
st
step ‐55±3 30
2
nd
step Roomtemp. 3
3
rd
step 155±3 30
4
th
step Roomtemp. 3
7.3. ShortTimeOverLoad:
Whentheresistorsareapplied2.5timesasmuchasratedwattagefor5secondscontinuously,itshowsno
evidenceofarc,flame...etc.Removingthevoltageandplacetheresistorstothenormalconditionfor30
minutes,theresistancevaluechangeratebetweenpre‐and‐posttestshallbewithin±1%.
7.4. InsulationCharacter:
ResistorsarelocatedinaV‐shapedmetaltrough.UsingtheDC500Vmeggerinstrument2polestoclutch
eithersideofleadwiresandmetaltrough,measuringtheInsulationResistancewhichshallbeover10000MΩ.