www.vishay.com for technical ques tions, contact: sf er@vishay.com document number: 50009 41 revision: 01-oct-07 rlp vishay sfernice insulated precision wirewound resistors axial leads in wirewound precision resistors, the rlp series holds a leading position in professional applications whenever an excellent stability of the ohmic value and a correspondingly low temperature coefficient ar e required at the same time. the rlp model resistors comply with the most stringent requirements of the en 140-100 specification. the series consists of 5 models covering the power range from 1 w to 10 w. non-inductive versions can be supplied on request by specifying rlp-ni. for higher power dissipations, the use of rh series resistors is recommended. features ? 1 w to 10 w at 25 c ? cecc 40201-006 ? conforms to en 140-100 ? excellent stability < 0.3 % after 1000 h ? high power up to 10 w at 25 c ? low ohmic values 10 m available ? low temperature coefficient 50 ppm/c ? electrical insulation ? climatic protection ? termination = pure matte tin or sn/ag/cu according to the ohmic value dimensions in millimeters undergoes european quality insurance system (cecc) rohs compliant 25 min. 25 min. a ? b ? e l max . 4 4 45 chamfe r max. 0.25 deep ? a 0.02 rlp1 - rlp2 a = 1 mm rlp3 - 6 - 10 a = 1.2 m m insulated 25 min. 25 min. a ? b ? e rlp 1 - rlp 2 molded dimensions in millimeters molded insulated series and style rlp 1 rlp 2 rlp 3 rlp 6 rlp 10 a max. 7 10.2 14 23.82 46.78 ? b max. r > 0.15 2.5 4.0 5.54 8.71 10.32 r 0.15 - 6 9 11 180k e 0.1 0.6 0.6 0.8 0.8 0.8 weight in g 0.27 0.48 1.3 3.4 8.6 technical specifications vishay sfernice series and style rlp1 rlp2 rlp3 rlp6 rlp10 nf c 83-210 rp8 rp7 rp4 - - cecc 40201-006 abc - - power rating at + 25 c vishay sfernice limits 1 w2 w3 w6 w10 w ohmic range in relation to tolerance 5 % e24 0.05 2 k 0.025 6.8 k 0.01 15 k 0.02 59 k 0.06 150 k 2 % e48 0.05 2 k 0.025 6.8 k 0.03 15 k 0.02 59 k 0.06 150 k 1 % e96 0.05 2 k 0.025 6.8 k 0.03 15 k 0.02 59 k 0.06 150 k 0.5 % e96 0.4 2 k 0.4 6.8 k 0.0499 15 k 0.3 59 k 0.3 150 k 0.1 % e96 please consult vishay sfernice qualified ohmic range nf c 83-210 1 470 0.2 1.78 k 0.1 3.57 k 0.1 12.1 k 0.1 40.2 k limiting element voltage 50 v 120 v 200 v 300 v 720 v critical resistance out of nominal ohmic range 17 800 51 100
document number: 50009 for technica l questions, contact: sfer@vishay.com www.vishay.com revision: 01-oct-07 42 rlp insulated precision wirewound resistors axial leads vishay sfernice stability and power rating stability changes slightly according to power rating and ambient temperature. this fa ct is especially important for users needi ng a life drift lower than the initial resist ance tolerance. typical drifts, after 2000 hours life test made u nder the 90?/30? con ditions and at an ambient temperature of 25 c, are: inductance (example) performance tests conditions requirements typical values and drifts mil-r-26 e cecc40201-06 dielectric w/s voltage 500 vrms for rlp 1-2-3 1000 vrms for rlp 6-10 (0.1 % + 0.05 ) - (0.05 % + 0.05 ) short time overload 5 pn/5 s for pn < 5 w 10 pn/5 s for pn 5 w (0.2 % + 0.05 ) 0.25 % + 0.05 (0.1 % + 0.05 ) climatic sequence en 140-201 fasc. 19a - 55 c/+ 200 c 5 cycles - 0.5 % + 0.05 insulation r > 100 m (0.2 % + 0.05 ) ins. resistance > 10 3 m humidity (steady state) en 140-201 fasc. 3a 56 days 95 % r.h. - 0.5 % + 0.05 insulation r > 100 m (0.25 % + 0.05 ) ins. resistance > 10 3 m vibration mil-std-202 method 204 - test d: 20 g 10/2000 hz (0.1 % + 0.05 ) 0.25 % + 0.05 (0.05 % + 0.05 ) load life mil-std-202 method 108 pn 1000 h (0.5 % + 0.05 ) 0.5 % + 0.05 insulation r 1 g (0.3 % + 0.05 ) moisture resistance mil-std-202 method 106 (0.2 % + 0.05 ) insulation resistance > 100 m - (1 % + 0.05 ) ins. resistance > 10 3 m high temperature 250 h at + 275 c (0.5 % + 0.05 ) 0.5 % + 0.05 insulation r 1 g (0.25 % + 0.05 ) shock mil-std-202 100 g method 205 - test c (0.1% + 0.05 ) 0.25 % + 0.05 (0.05 % + 0.05 ) temperature coefficient in the range - 55 c to + 200 c ohmic range limits typical value nf c mil < 1 100 ppm/c 90 ppm/c 50 ppm/c 1 to < 10 50 ppm/c 50 ppm/c 10 25 ppm/c 30 ppm/c + 0 to - 20 ppmc ohmic range rlp1 rlp2 rlp3 rlp6 rlp10 r % r % pn 1 w 2 w 3 w 5 w 10 w 0.3 0.5 pn 0.5 w 1 w 1.5 w 2.5 w 5 w 0.15 frequency in mhz h n i e c n a t c u d n i 1.4 1.3 1.2 1.1 1.0 0.9 0. 8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0.1 1 10 0 0 1 3 p l r rlp3 ni 100
www.vishay.com for technical ques tions, contact: sf er@vishay.com document number: 50009 43 revision: 01-oct-07 rlp vishay sfernice insulated precision wirewound resistors axial leads power rating chart temperature rise marking sfernice trademark, series, style, cecc style (if applicable) nominal resistance (in , k ), tolerance (in %), manufacturing date. ambient temperature in c % rated power 125 100 75 50 37 25 0 0 50 100 150 200 250 275 300 350 rated power in w hot spot temperature in c 250 200 150 100 50 0 0 1.5 3.0 4.5 6.0 7.5 10.0 2 p l r 1 p l r 3 p l r 6 p l r 0 1 p l r ordering information rlp 1 xxx 5u5 5 % tr100 e1 (e3: rlp1 < 1r rlp2 < 3r52) model style non inductive winding optional (ni) special design method n optional ohmic value custom items are subject to extra-charge and min. order. please see price list. tolerance packaging optional lead (pb)-free sap part numbering guidelines rlp 01 5r500 j r15 model style ohmic value tolerance packaging
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