title : doc ument no. smk90000nh page rev. a 0 unless otherwise specified tolerances on s x = x.x = x.xx = angles hole dia. scale s x unit s x approved by s drawn by s connie 4/3/13 designed by s checked by s this drawings and specifications are the property o f delta electronics, inc. and shall not be reproduced or used as the basis fo r the manufacture or sale of apparatus or devices without permission ?_?I??? ?_?I??? ?_?I??? ?_?I??? delta electronics, inc . the engineering specification for rl3264 l4 - 9 - xxxx - xn h page 1 of 6 2w, 2512, 4-terminal, low resistance chip resistor (lead / halogen free) 1. scope this specification applies to 3.2mm x 6.4mm size 2w , fixed metal foil with ceramic carrier current sensing resistors used in electronic equipment. 2. type designation rl3264l4 C (1) (2) (3) (4) where (1) series no. (2) 9=2w (3) resistance value : for example : r005 = 5m w (4) tolerance : f = 1% g = 2% h = 3% j = 5% 3. outline designation figure 1. construction and dimensions (1) substrate: alumina 96% (2) resistor: cu alloy (3) terminals: sn (on cu ) (4) protection coat: heat resistive epoxy resin(green) (5) protection coat: heat resistive epoxy resin(green) dimensions (mm) code letter 3264 l 3.2 0.25 w 6.4 0.25 c 1.2 0.2 d 0.88 0.2 a 0.7 0.2 t 0.9 0.25 r005
title : doc ument no. smk90000nh page rev. a 0 unless otherwise specified tolerances on s x = x.x = x.xx = angles hole dia. scale s x unit s x approved by s drawn by s connie 4/3/13 designed by s checked by s this drawings and specifications are the property o f delta electronics, inc. and shall not be reproduced or used as the basis fo r the manufacture or sale of apparatus or devices without permission ?_?I??? ?_?I??? ?_?I??? ?_?I??? delta electronics, inc . the engineering specification for rl3264 l4 - 9 - xxxx - xn h page 2 of 6 4. ratings 4-1 specification power rating* 2 w resistance value 1m w 3m w 5~15m w temperature coefficient of resistance 0~ -400ppm/ 0~ -250ppm/ 150ppm/ resistance tolerance 1%, 2%, 3%, 5% insulation resistance over 100m w rated voltage (v) ( p*r) 1/2 note * : power rating is based on continuous full load opera tion at rated ambient temperature of 70 . for resistors operated at ambient temperature in ex cess of 70 , the maximum load shall be derated in accordance with the following curve. ambient temperature( ) 0 170 70 100 rated load(%) -55 figure 2. power temperature derating curve 4-2 operation and storage temperature range -55 to +170
title : doc ument no. smk90000nh page rev. a 0 unless otherwise specified tolerances on s x = x.x = x.xx = angles hole dia. scale s x unit s x approved by s drawn by s connie 4/3/13 designed by s checked by s this drawings and specifications are the property o f delta electronics, inc. and shall not be reproduced or used as the basis fo r the manufacture or sale of apparatus or devices without permission ?_?I??? ?_?I??? ?_?I??? ?_?I??? delta electronics, inc . the engineering specification for rl3264 l4 - 9 - xxxx - xn h page 3 of 6 5. life test test item condition of test requirements short time overload 2.5 * rated power for 5 seconds refer to jis c 5201-1 4.13 d r : 1.0% thermal shock -55 ~125 100 cycles, 15 min at each extreme condition refer to jis c 5201-1 4.19 d r : 1.0% low temperature storage kept at -55 , 1,000 hours refer to jis c 5201-1 4.23.4 d r : 2.0% load life rated voltage for 1.5hours followed by a pause 0.5hour at 70 3 . cycle repeated 1000 hours refer to jis c 5201-1 4.25 d r : 2.0% damp heat with load 40 2 with relative humidity 90% to 95%. cycle repeated 1,000 hours refer to jis c 5201-1 4.24 d r : 2.0% high temperature exposure kept at 170 for 1,000 hours refer to jis c 5201-1 4.23.2 d r : 2.0% solderability temperature of solder : 245 5 immersion duration : 3 0.5 seconds refer to jis c 5201-1 4.17 uniform coating of solder cover minimum of 95% surface being immersed mechanical shock 100 gs for 6milliseconds. 5 pulse s refer to jis c 5201-1 4.21 d r : 1% bending test glass-epoxy board thickness : 1.6mm bending width : 2mm between the fulcrums : 90mm refer to jis c 5201-1 4.33 d r : 1%
title : doc ument no. smk90000nh page rev. a 0 unless otherwise specified tolerances on s x = x.x = x.xx = angles hole dia. scale s x unit s x approved by s drawn by s connie 4/3/13 designed by s checked by s this drawings and specifications are the property o f delta electronics, inc. and shall not be reproduced or used as the basis fo r the manufacture or sale of apparatus or devices without permission ?_?I??? ?_?I??? ?_?I??? ?_?I??? delta electronics, inc . the engineering specification for rl3264 l4 - 9 - xxxx - xn h page 4 of 6 6. recommended solder pad dimensions rl3264l4 a (mm) b (mm) c (mm) d (mm) e (mm) t ( m) 1~20(m w ) 1.1 7.34 1.74 0.8 1.8 105 t: copper foil minimum thickness of pcb note : we recommend there is no circuit design betw een pads to avoid circuit short
title : doc ument no. smk90000nh page rev. a 0 unless otherwise specified tolerances on s x = x.x = x.xx = angles hole dia. scale s x unit s x approved by s drawn by s connie 4/3/13 designed by s checked by s this drawings and specifications are the property o f delta electronics, inc. and shall not be reproduced or used as the basis fo r the manufacture or sale of apparatus or devices without permission ?_?I??? ?_?I??? ?_?I??? ?_?I??? delta electronics, inc . the engineering specification for rl3264 l4 - 9 - xxxx - xn h page 5 of 6 7. packaging 7-1 dimensions 7-1-1 tape packaging dimensions 7-1-3 reel dimensions 13.00.5 178.02.0 60.20.5 13.21.5 2.00.5 + 0 . 5 - 0 4 . 0 0 16.00.2 unit : mm 2.0 0.05 cavity 4.0 0.1 0.3 max. 1.5 max. b a a = 3.60 0.20 b = 6.80 0.20 1.5 0.1 +0.1 -0.0 1.5 1.75 0.10 pulling direction 4.0 0.1 12.0 0.3 unit : mm 5.50 0.05 feed forward hole
title : doc ument no. smk90000nh page rev. a 0 unless otherwise specified tolerances on s x = x.x = x.xx = angles hole dia. scale s x unit s x approved by s drawn by s connie 4/3/13 designed by s checked by s this drawings and specifications are the property o f delta electronics, inc. and shall not be reproduced or used as the basis fo r the manufacture or sale of apparatus or devices without permission ?_?I??? ?_?I??? ?_?I??? ?_?I??? delta electronics, inc . the engineering specification for rl3264 l4 - 9 - xxxx - xn h page 6 of 6 7-2 peel strength of top cover tape the peel speed shall be about 300mm/min. the peel force of top cover tape shall between 0.1 to 0.7n 7-3 number of taping 2,000 pieces / reel 7-4 label marking the following items shall be marked on the reel. (1) type designation (2) quantity (3) manufacturing date code (4) manufacturers name (5) the country of origin 1 6 5 ~ 1 8 0 carrier tape 0.1 ~ 0.7n top cover tape
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