4500 Datasheet, PDF (2/3 Pages) Welwyn Components Limited – HIGH VOLTAGE PLANAR RESISTORS

High Voltage
H_HPi^lg_iagh^nhV^ao_Vrlt_oa^Rg_ltee_asgisetors
P_4P5la_l0an_0na_Sr_aeR_rrie_Rssis_eto_sr_iss _tors
4⁴⁵5⁰0⁰0^SS^ee^rir^eie^s s
Construction
A high quality alumina substrate is printed with a specially
sCeolenctsetdruhcigthiovnoltage thick film resistor ink based on a
rAuthhigenhiuqmuaolitxyidaelu/gmlaisnsassyustbesmtra. tAe cishporicineteodf pwroitthecatisvpeescyiastlleyms
isselaevcatieladbhleig. h voltage thick film resistor ink based on a
ruthenium oxide/glass system. A choice of protective systems
iCshavoaiiclaebloe.f Protection
As standard components are supplied conformally coated
wChithoiacneeopofxPyrroestien.ctBiyosnpecial request components can be
sAuspsptlaienddaurndpcromtepctoendeonrtswairteh saupscprleieedn cporninftoerdmeaplloy xcyoated
w‘hiathndalinnge’pporxoyterecstino.nB. y special request components can be
supplied unprotected or with a screen printed epoxy
‘Thearnmdlinnga’ tpiorontesction.
Material
Solder coated phosphor bronze leadframe.
TerminationsResistors can be supplied without leads, in
Material
wSohldicehr ccaosaetepdalplahdoiuspmhosirlvberropnazdesleeandafbraleme.
Releescitsrtiocrasl caonnnbeectsiuopnptloiedbewmithaodue.t leads, in
which case palladium silver pads enable
electrical connection to be made.
Welwyn Components
Welwyn Components
Strength
The terminations meet the requirements of
IEC 68.2.21.
SSotrlednegrathbility TThhee tteerrmmiinnaattiioonnss mmeeeett tthhee rreeqquuiirreemmeennttss ooff
IIEECC 6181.52-.12,1C. _{lause 4.17.3.2}
Solderability The terminations meet the requirements of
Marking IEC 115-1, Clause 4.17.3.2
Type and protection system references, resistance value
Mtolaerraknicnegand manufacturing date code are legend marked.
Tyhpeereasnidstapnrocetevcatiloune scyosntefomrmresfetoreInEcCes6,2r.esistance value
tolerance and manufacturing date code are legend marked.
SThoelvreesnisttaRnceesvisatluaenccoenforms to IEC 62.
The body protection and marking are resistant to all normal
SinodulvsterinaltcRleeansinsgtasnolcvents suitable for printed circuits.
The body protection and marking are resistant to all normal
industrial cleaning solvents suitable for printed circuits.
Performance Data
Performance Data
Load at rated power: 1000 hours at 70°C
Shelf life: 12 months at room temperature
LDoearadtiantgrated power: 1000 hours at 70°C
STehmelpf _{elirfaet:u1re2 rmapoindthcshaantgroeom} temperature
DReesriasttianngce _{to solder heat}
TVeomltapgeeractuoreeffricaipeindt cohfange
RReessiissttaannccee tpopmso/lvdoelrt heat
Voltage coefficient of
Resistance ppm/volt
Application Notes
∆R%
∆R%
∆R%
∆∆RR%%
∆R%
4501 and 4^∆5R0%2
4503 and 4^∆5R0%4
4505, 44550061 aanndd 44550072
4503 and 4504
4505, 4506 and 4507
Maximum
5
Max₀i_.m₃ um
5
00..31
0.05
05.1
0.305
15.5
3
1.5
Actual
Actual
Zero at 125°C
Zero at 125°C
Typical
0.3
Ty_<p₀i_.c₁al
0.3
0<.00.21
0.02
0<.032
0<.022
<<31
<2
<1
Application Notes ^{The terminations should not be bent closer than 1.5mm from}
the body, and the recommended minimum bend radius is 1mm.
The terminations should not be bent closer than 1.5mm from
Non Standard Optional Features
The options listed below are some of the special features
wNhoinch SmtaaynbdeaprrdovOidpedt,iosunbajel cFt etoataugrreeesment.
Dthueebtoodtyh, eanhdigthhevorletcaogme mwehnicdhedcamn ianpimpeuamr bbeetnwdereandituhseisre1smistmor. TShpecoiapltsiounbsstlrisatteedsibzel.ow are some of the special features
body and any adjacent metal part, resistors should be mounted wLehaidchlesms avyerbsieonprwovitidhepda,llsaudbiujemct stiolveargrseoeldmeernpta. ds.
aDtuaentoadtehqeuhaitgehdviostlatangce wfrohmichoctahneracpopnedaurcbtientgwpeeanrtst.he resistor Special steurbmstinraatteiosnizele.ngth, diameter and pitch.
body and any adjacent metal part, resistors should be mounted SLepaedcilaelssdveesirgsinosnfowritphuplsaellapdpiulimcastiolvnesr.solder pads.
Datuaentoadtehqeupaotessdibisitliatyncoef fsruormfaocethceorncdoenndsuacttioinngipt aisrts.
RSpeseicsitaalntceermvainluaetioonutlseindgetsht,adteiadmraentegrea. nd pitch.
recommended that high voltages are not applied to resistors STopleecriaanl cdeebsiegtntes rfothr apnul±se1a%pplications.
Dinuceotnoditthioenpsoosfsihbiglithy houfmsuidrfitayc.e condensation it is
RTeemsisptearnacteurveacluoeefofiuctiesindteosfta±te5d0rpapnmge/°.C.
recommended that high voltages are not applied to resistors
iDnecsoingdnitioFnles xoifbhiilgihtyhumidity.
Tolerance better than ± 1%
TEenmqpueriariteurseWcoeflfcicoiemnteodf ± 50ppm/°C.
The experience of Welwyn engineers has been used to design
tDheissgigennerFalteioxnibofilhitigyh voltage planar resistors to be suitable EPnacqkuairgiiensgWelcomed
Tfohreaemxpaejroierintyceofoaf pWpeliclwatyinonesn.gHinoeweersvehr,ashboeuelnd uasnedaptpolidcaetsiiognn Packed in foam within a box.
trehqisugireenpeararticounlaorfchoingshidveorlattaigoen,pWlanelawr yrnesdisetosirgsnteorsbaeresuitable Packaging
faovraialamblaejotoritpyrovfidapepalidcvaitcieonasn.dHwowherveera,psphloicualdblea,ntoapplication Packed in foam within a box.
reqcoumirempeanrdticaunlaornc-osntasniddearradtiopnro,dWucetlw. Sypnedcieasligsinzerss, dareesigns
aevtca,ilcaabnlebteo pprrootvoidtyepaedvaicteshanodrt wnohteicree.applicable, to
recommend a non-standard product. Special sizes, designs
BI Technologies ^{eGtecn,ecraanl Nboeteprototyped at short notice.}
©_TTeTleW_Eplehce_otl_nrow_en:iy_c+sn_4r4eC_s(e0o_r)vm_e1s6p_t7ho_0en_r8ie_g2h2n_t1t_t8s_o1mL_·i_aFm_kaeci_cst_ihe_mad_nileg:eB_s+ei4dn4lipn(_rg0_ot)_do_u1nc6,t7Ns0po_e8rct2_ih_f9iu_c4am6_tb_i5oe_{n·rlwEamnit}d_haoiNlu: E_{tin2nf2oot@7ic}A_ewAoe,rlwlU_{iayKbni-littty.c. om · Website: www.welwyn-tt.com}
IRC Welwyn
Issue B · 03.02
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
206 © Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK
www.ttelectronicsresistors.com
T©eleTpThoEnle:ct+r4o4n(i0cs) 1p6lc70 822181 · Facsimile: [phone] · Email: [e-mail] · Website: www.welwyn-tt.com
Issue B · 03.02
206
07.16