LRF3W Datasheet, PDF (1/3 Pages) Welwyn Components Limited – Low Value 3W Chip Resistors

ip Resistors
W Series_L^RLCLC_o^eoohhs_w^wwii_ip^s_p^t_V^oVVRR_a^raas_l^ee_u^lluuss_e^eeiiss₃^tt33_W^ooWWrrss_{Chip Resistors}
atts @ 70°C
stance
rances
L^L_{••rtL}R^R_aoRF_3R33R^FF_n3_eWe³_±3WW_Wssg^WW_ii1isasaneS_ttt%tae^SS_a1ttnr_sf^e_2snei_ce_r2^rr_c@e@ⁱs_io5^e_eer^ss_{ap7m7rna0a0gc°n°keCC0gafger.oe0fmr0o03m.00t03o.0to0130Ω.t1oΩ1Ω}
-Q200 Q^• u^TRToa^elselⁱi^rrsaf^atni^ane^cnced^{ecsestotroa±n1±%g1e%from 0.003 to 1Ω}
• AT^AoElCCe^--r^QQa^{2n20c00e0QsQutaoul}a^if±il^ei1f^d%ied
• A^LoE^wC-^tQ^he2^r0^m0^alQ^imua^pl^ei^dfi^aeⁿd^ce
Wide terminations enhance robustness
RoHS compliant and SnPb variants
Welwyn Compon
Make Possible
Welwyn Components
Welwyn Components
All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2)
Electrical Data
Power Derating Curve
trical Data Electrical Data
Characteristic
PP_Coo_hww_aee_rr_arr_cda_tti_esins_rig_ip_sa@_tit_c7io0n°C@70°C
teristic
RRPeeosswiisst_etaarnndccie_sesr_iRa_pnaang_tige_o¹en _@70°C
R^DRe^ies^esi^lsiest^ctaatn^rnic^cceewtoRitlahenr^sagtanence^d
Value
3_VW_ala_uwt_etastts
Valu^RRe^{00003323W0ttoo0oaV1th}_1tR^m_Rs%^00s
P_Po_ow_w1e₀₀r_eD_rer_Da_LRt_Fe3i_Wn_rg_aC_tiu_nrv_ge _Curve
18000
3
R003 to R10
6800 _{1<0R0004: 5, ≥R004: 1, 2, 5}
issipation @_TAD_C7mi_Re0ble°iceC_{tnrtictewmitphsrtaanngde}
3 W-a5t5tsto2_p0+p01mV5/0_°C°C
4600 _{<R80004: ±550, ≥R004: ±100}
ce Range ^D_RAⁱ_e^emsl_i^ebsc_tiae^tr_nn^ic_cte^wtetimt_o^h_lpe^st_r^araan_nn^d_cgee
c withstand^AV_TRamCeluRs^bi_e^{siestannt cteemtopleerraatnucree range}
R003 to^-5<1^5RR^0to00^{4+51vo%5l0t,s°C}
20^≥0_≥^R±RV^{<010R0004040p114p,,m522%,/,°}_°5^C_5C,%%
t temp rang_P^PTe_a^aC_d^dR_/^&_tra^tr_c^a_e^ce_are^ar_a^{e3a for maximum} -55 to +1^±15₃₀₀0⁰⁰°^pmC^p_m^m_m2^/°2C
2400
200
200 60 ^{-55 to +150}
0
40
2_E5₂°_{4 Tpermefeprerreadt7u2}0r°_{e in °C}
25° ₅₀₀ 70°
150°
150°
Physical Data ^ce
No^pPt^oae^wd1^e&: ^rC^to^rran^att^cina^ec^gt^a*rf^eac^ato^fory^r
toleranc^Ne^{optoew3:eRr ercaotimngm*ended}
m_mfoa_irnx_vii_mam_luuu_emm_{s opuadt<si&dRea0dthj0aics4eran5nt g%t3re0a.c0,eNmoamrtee2a2f:oMr aenaychvatelurmesin=aNtioxnRf0o0r1raatnedd}
≥R004 1, 2, 5%
Temperature in °C
Ndixss₂Rip0_{0a0t5iounpotno}
N=10 are
FR4 PCB
also
available.
Physical Data ±100ppm/°C
0
25°
70°
ace area for maximum
ating*
Top
Top
0.51 ± 0.13mm
300mm²
Bottom
(Bo_BBa_oor_ttd_ttooS_mmide)
(Board ^Side)
0.81 ± 0.13mm
RecomTmemenpdeerdature in °C
Recom^Sm^oRle^den^ecd_ore_mPd^amS^do_eLl_nd^ade^yer^odP^ua^td Dimensions
Reco_wmm_itShe_on_eld_dxe_ed_armSo_Ppld_ale_edr _KP_La_ead_lyvD_oii_nm_uPten_Cs_Bion_trs_aces
with example Kelvin PCB traces
sical Data ^{0.51 ± 0.13mm}
6.35 ± 0.13mm
Top 6.35 ± 0.13mm
0.51 ± 0.13mm 3.18 ± 0.13mm
0.81 ± 0.13mm
Plating
wrap-around
Plating
wrap-around
Bottom
(Board Side)
2.29
± 0.13mm
2.29
± 0.13mm
0.94 mm max
thickness
0.94 mm max
thickness
0.81 ± 0.13mm
Current Track: I
Sense Tracks: V+
Current Track: I
7.6 mm
7.6mm
7.6mm
2 mm
Recommend²e^mmd
Solder Pad La^V1-y2mmo^m1m^mu^mt
1mm
3.18 ± 0.13mm
Weight 0.065g typ.
Weight 0.065g typ.
Plating
wrap-around
2.29
± 0.13mm
7.6mm
0.13mm
General Note
G_T^WA_GWTle_leeeEiln_lnwnlwee_fyceoyr_t^nnra_rrmoa^Cl_Cnal^oN_ioctmNimsoo_r^pn_opt_e^oe_ostinesner^ees_v^nun_e^tb_stssjteh^rrece_etssereti^r_gorvvh^eWe_t^ss_teo^tthlhw_m^eey_a^rnri_{kig’geshhcotthwtatoonng}^mmd_eaasatkkian^eea_p^ccn_r^h0_hodaa._dⁿ9_niusgg4_ccetetosssmh_npⁱⁱⁿ_{iesncmicdpkipferirnc}^orom_ea^d_eddt^u_iusao^cac_sxn^tct _cw^ssupp_{itreehaccotiiefufiictcaaanttto}^itioo_timiⁿⁿ_ceewwooiir^ttfh_lhigoaoob^uu_iitltnit^ngn_y^oo_{.tttoiicceperoionrrtl.liiaabbiilliittyy..}
3.^A©_TA1_e^llll8^leiWnipnf±_h^ofeoorm0^rl_nm^w._e^a1_:^taiy3^ot+inno4m^n4isCm^i(ss0ou_)s^{bmu1jeb6pcj7eto}_0c^totn_8t^Teo2T₂^nWE₁^tl₈^eesc_1lw^tLr_·^oyi_F^mnn_a^i’sc_c^is_so^t’_i^e_mw^{odwnilend·:daB+ate4atda}_4ali^an(0ngdd_)toi1^issn6cc,7oo_0Nn^{noss8iirdd2tehe9rru4eem6dd5baaec}_·c^{crcEluaumrnaraadtetile:Na}_iEa^t_n2t^t_fⁱ_o2t^mi@m7e_wAe^{oAefolg,wfoUgyinKnog}_-int^t_tg^o_.cto^por_m^{inptr·.inWt.ebsite:} _{www.welwyn-tt.com}
©^© T^WT ^eE^le^wct^yrⁿon^Cic^os^mpl^pc ^{onents Limited · Bedlington, Northumberland NE22 7AA, UK}
84 ^{Telephone: [phone] · Facsimile: [phone] · Email: [e-mail] · Website: www.welwyn-tt.com}
Weight 0.065g typ.
A subsidiary of
TT electronics plc
www.ttelect_Tro_Tn^Aeic_lses^ur_ce^bts_rsi_os^idnto_0iiacr₄s^rsy..c_1po^o0lm_cf
0₁4₂._.1₁₅0
150°
2m
1m