High Voltage

Planar Resistors

HVP Series

Construction

Conductorpadsareprintedtotherearandfrontfacesofa96%aluminasubstrate.Aspeciallyselectedhighvoltagethickfilmresistorink,basedona

rutheniumoxide/glasssystem,isprintedbetweenthefrontfaceconductorsandthencoveredinanoverglazebeforebeingprotectedwithaspecialscreen

printedmaterialwhichgivesexcellenthighvoltageandclimaticperformance.

Marking

Type,resistancevalueandtolerancearelegendmarkedinblackinkontherearofthecomponent.TheresistancevalueconformstoIEC62.

Solvent Resistance

Thecomponentprotectionandmarkingareresistanttoallnormalindustrialcleaningsolventssuitableforprintedcircuitboards

Terminations

SoldercoatedphosphorbronzeleadframeterminationsaresolderdippedinSnAgCuandmeetthefollowingIECrequirements:

IEC68.2.21–Strength

IEC115-1,Clause4.17.3.2–Solderability

Packaging

Packedinfoamwithinabox.SeeOrderingProcedureforboxquantities.

ApplicationNotes

Duetothehighvoltagewhichcanappearbetweentheresistorbodyandanyadjacentmetalpart,resistorsshouldbemountedatanadequatedistance

fromotherconductingparts.

Duetothepossibilityofsurfacecondensationitisrecommendedthathighvoltagesarenotappliedtoresistorsinareasofhighhumiditywithoutthe

applicationofsuitablemoistureresistantlacquer

Design Flexibility

TheexperienceofWelwynengineershasbeenusedtodesignthisgenerationofhighvoltageplanarresistorstobesuitableforamajorityofapplications.

However,shouldanapplicationrequireparticularconsideration,Welwyndesignersareabletoprovideadviceandwhereapplicable,torecommendanon-

standardproduct.Specialsizes,designsetc,canbeprototypedatshortnotice.

Performance Data

Maximum

Typical

Loadatratedpower:1000hoursat70°C ΔR%

1

0.1

Dryheat:1000hoursat155°C ΔR%

1

0.1

Shelflife:12monthsatroomtemperature ΔR%

0.3

<0.1

Deratingfrompowerat70°C

Zeroat155°C

Climatic ΔR%

1

0.1

Climaticcategory-

-55/155/56

Long term damp heat

ΔR%

1

0.1

Temperature rapid change

ΔR%

0.25

0.02

Resistance to solder heat

ΔR%

0.25

0.02

Voltagecoefficientofresistanceppm/V

HVP04, HVP06, HVP08

-2.5

-1

HVP10, HVP15, HVP20

-1.5

-0.5

Ordering Procedure

Example:HVP06at100megohms,50ppm/°Cand1%toleranceandpackedinaboxwithastandardquantityof160pieces:

B004

HVP15

40/box

Make Possible

01.16

General Note

TT Electronics reserves the right to make changes in product specification without notice or liability.

All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.

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www.ttelectronicsresistors.com