www.vishay.com 41 rlp vishay sfernice document number: 50009 revision 03-mar-06 for technical questions, contact sfer@vishay.com 25 min. 25 min. a b e l max. 4 4 45 chamfer max. 0.25 deep a 0.02 rlp1 - rlp2 a = 1mm rlp3 - 6 - 10 a = 1.2mm insulated precision wirewound resistors axial leads technical specifications vishay sfernice series and style nf c 83-210 cecc 40201-006 vishay sfernice limits 5 % e24 2 % e48 power rating at + 25 c ohmic range in relation to tolerance qualified ohmic range nf c 83-210 limiting element voltage critical resistance rlp1 rp8 a 1 w 0.05 2.2 k 0.05 2.2 k 1 470 50 v rp7 b 2 w 0.025 6.8 k 0.025 6.8 k 0.2 1.78 k 120 v out of nominal ohmic range rp4 c 3 w 0.01 15 k 0.01 15 k 0.1 3.57 k 200 v rp5 d 6 w 0.02 59 k 0.02 59 k 0.1 12.1 k 300 v 17800 rp6 e 10 w 0.06 150 k 0.06 150 k 1 % e96 0.05 2.2 k 0.025 6.8 k 0.01 15 k 0.02 59 k 0.06 150 k 0.5 % e96 0.4 2.2 k 0.4 6.8 k 0.3 15 k 0.3 59 k 0.3 150 k 0.1 % e96 please consult vishay sfernice 0.1 40.2 k 720 v 51100 rlp2 rlp3 rlp6 rlp10 undergoes european quality insurance system (cecc) features ? 1 watt to 10 watt at 25 ? ?cecc 40201-006 ? conforms to nf c 83-210 ?excellent stability ?high power ?low ohmic values ?low temperature coef cient ?electrical insulation ?climatic protection 25 min. 25 min. a b e rlp 1 - rlp 2 insulated molded 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 coef cient are required at the same time. the rlp model resistors comply with the most stringent requirements of the nf c 83-210 speci cation. 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. dimensions in millimeters b max. r 0.15 r > 0.15 dimensions in millimeters series and style 7 10.2 14 23.82 46.78 rlp 1 rlp 2 rlp 3 rlp 6 rlp 10 4.0 5.54 6 8.71 10.32 11 0.6 0.6 0.8 0.8 0.8 2.5 9 a max. molded insulated e ?0.1 0.27 0.48 1.3 3.4 8.6 weight in g
document number: 50009 revision 03-mar-06 www.vishay.com 42 rlp vishay sfernice for technical questions, contact sfer@vishay.com tests dielectric w/s voltage short time overload climatic sequence humidity (steady state) 500 vrms for rlp1-2-3 1000 vrms for rlp6-10 ?(0.1 % + 0.05 ) ? ?0.25 % + 0.05 ?0.5 % + 0.05 insulation r > 100m ?0.5 % + 0.05 insulation r > 100m ?(0.2 % + 0.05 ) ?(0.05 % + 0.05 ) ?(0.2 % + 0.05 ) ins. resistance > 10 3 m ?(0.25 % + 0.05 ) ins. resistance > 10 3 m 5 pn/5 s for pn < 5 w 10 pn/5 s for pn 5 w nf c 83-210 fasc. 19a ?55 ?/+ 200 ? 5 cycles nf c 83-210 fasc. 3a 56 days 95 % r.h. vibration load life moisture resistance high temperature shock ?(0.1 % + 0.05 ) ?0.25 % + 0.05 ?0.5 % + 0.05 insulation r 1g ?(0.5 % + 0.05 ) ?(0.2 % + 0.05 ) insulation resistance >100m ? ?(0.5 % + 0.05 ) ?(0.1% + 0.05 ) ?0.5 % + 0.05 insulation r 1g ?0.25% + 0.05 ?(0.05 % + 0.05 ) ?(0.3 % + 0.05 ) ?(1 % + 0.05 ) ins. resistance > 10 3 m ?(0.25 % + 0.05 ) ?(0.05% + 0.05 ) mil-std-202 method 204 - test d: 20g 10/2000hz mil-std-202 method 108 pn 1000h mil-std-202 method 106 250 h at + 275 ? mil-std-202 100g method 205 - test c conditions requirements mil-r-26 e nf c 83-210 typical values and drifts ?50 ppm/? ?50 ppm/? stability and power rating stability changes slightly according to power rating and ambient temperature. this fact is especially important for users needi ng a life drift lower than the initial resistance tolerance. typical drifts, after 2000h life test made under the 90?30 conditi ons and at an ambient temperature of 25?, are: ohmic range limits ?100 ppm/? nf c mil ?90 ppm/? ?30 ppm/? + 0 to ?20 ppm/? typical value ?50 ppm/? ?25 ppm/? < 1 1 to < 10 10 inductance (example) frequency in mhz inductance in h 1.4 1.3 1.2 1.1 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0.1 1 10 rlp3 100 rlp3 ni 100 performance rlp1 pn 0.5pn 1 w 0.5 w 2 w 1 w 3 w 1.5 w 5 w 2.5 w 10 w 5 w 0.3 0.15 rlp2 rlp3 rlp6 rlp10 r % r % insulated precision wirewound resistors axial leads temperature coefficient in the range - 55 + 200 c ?(0.1 % + 0.05 )
www.vishay.com 43 rlp vishay sfernice document number: 50009 revision 03-mar-06 for technical questions, contact sfer@vishay.com power rating chart temperature rise rated power in watts hot spot temperature in c 250 200 150 100 50 0 0 1.5 3 4.5 6 7.5 10 rlp2 rlp1 rlp3 rlp6 rlp10 marking sfernice trademark, series, style, cecc style (if applicable) nominal resistance (in , k ), tolerance (in %), manufacturing date. 3 non inductive winding style special design model rlp tolerance 1 % packaging optional method n optional optional ohmic value 4.7 k ordering information custom items are subject to extra-charge and min. order. please see price list. insulated precision wirewound resistors axial leads ambient temperature in degrees celsius % rated power 125 100 75 50 37 25 0 0 50 100 150 200 250 275 300 350 (ni)
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