Series CR V I T R O H M Precision Power Wirewound Resistors, ceramic carrier, coated, axial Specifications CR CR CR CR CR CR CR CR CR Type 251-0 252-0 253-0 254-0 255-0 256-0 257-0 258-0 259-0 Nominal Power rating P 1,1 2,0 2,5 3,0 3,3 4,0 5,0 5,5 7,2 40 W P 1,0 1,6 2,0 2,5 3,0 3,5 4,3 5,0 6,5 70 Resistance range See Page 2 Tolerances % Rmin. Rmax.: 5, 2, 1 R 1R: 0,5 -6 - Temperature coefficient 10 K See Page 2 * 1 Max. working voltage VRMS Insulation voltage (1min.) max 75 V V RMS Insulation resistance not insulated Derating linear C 70350 (0W) Climatic category 55/200/56 Temperature range C -55 ~ 350 -1 125 100 85 65 55 65 48 45 35 Thermal resistance KW -9 -1 10 h Failure Rate appr. 100 depends on value (Total, , max, 60% cont. lev.) 0 3,0 average Endurance (P 70C, 1000h) R/R % 70 , 1,0 Damp heat, steady state R/R % (40C, 93% r.h., 56d) Climatic sequence R/R % 1,0 (IEX 115-1/23) Terminal strength R/R % 0,2 Terminal Tensile Strength N 40 50 Resistance to soldering heat R/R % 0,2 typ. (260C, 3,5s) Solderability s 2,5 Flowtime solderglobule test, IEC 60068-2-20-T Marking Printed in clear Revision 200906 VITROHM PORTUGUESA, Lda. Est. Nacional 249-4, Trajouce 2765-653 S. Domingos de Rana PORTUGAL Tel:+ 351 214 457 700 - Fax:351 214 457 755 Germany Sales Tel:+ 0049 4121 870 103 - e-mail:vitrohm.support yageo.com www.vitrohm.com Series CR V I T R O H M Dimensions in mm: L mx Lackhosen 2 2 Coating residues 6 1 6 1 C 1 Temperature Coeficient ( -20C to 120C ) Type 500 +400 ppm/K 400 50 ppm/K appr. +180 ppm/K 0 20 ppm/K 0 10 ppm/K 251-0 ------ ------ 0R01 0R024 0R027 0R091 0R1 15R 16R 220R 252-0 0R022 0R033 0R036 0R062 0R068 0R091 0R1 160R 180R 470R 253-0 0R01 0R02 0R022 0R047 0R051 0R091 0R1 47R 51R 750R 254-0 0R01 0R027 0R03 0R075 0R082 0R091 0R1 47R 51R 750R 255-0 0R015 0R024 0R027 0R062 0R068 0R091 0R1 68R 75R 1K0 256-0 0R02 0R03 0R033 0R062 0R068 0R091 0R1 130R 150R 1K5 257-0 0R027 0R047 0R051 0R082 0R091 0R13 0R15 150R 160R 2K2 258-0 0R033 0R062 0R068 0R13 0R15 0R16 0R18 160R 180R 2K7 259-0 0R047 0R075 0R082 0R15 0R16 0R24 0R27 180R 200R 3K9 Type L max D * max d CR251-0 9,0 3,0 0,65 CR252-0 9,7 4,0 0,80 CR253-0 14,5 4,5 0,65 CR254-0 12,6 5,5 0,80 CR255-0 15,0 8,5 0,80 CR256-0 17,0 5,5 0,80 CR257-0 18,0 8,5 0,80 CR258-0 22,0 8,5 0,80 CR259-0 27,0 8,5 0,80 *R 1R0 Dmax. +1 Packaging: Type Packaging Pieces Pack.-code C s CR251-0 taped 1000 T 65 5 CR252-0 taped 1000 T 65 5 CR253-0 taped 1000 T 85 10 CR254-0 taped 1000 T 85 10 CR255-0 taped 500 T 85 10 CR256-0 taped 1000 T 85 10 CR257-0 taped 500 T 85 10 CR258-0 taped 500 T 85 10 CR259-0 taped 500 T 85 10 Ordering example: CR259-0 1 T 10R Type Tolerance Pack-Code R- value Revision 200906 VITROHM PORTUGUESA, Lda. Est. Nacional 249-4, Trajouce 2765-653 S. Domingos de Rana PORTUGAL Tel:+ 351 214 457 700 - Fax:351 214 457 755 Germany Sales Tel:+ 0049 4121 870 103 - e-mail:vitrohm.support yageo.com www.vitrohm.com d D