50 ohmite mfg. co. 1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com high energy wirewound axial terminal / surface mount / heat sinkable packaging ohmite manufacturings family of high energy wirewound resistors employ special winding techniques to maxi - mize the effective joule rating of each resistor. most wire - wound resistors are wound with the objective of meeting the stated power (wattage) rating and keeping cost low through the use of automatic winding equipment. typically, manufacturers will allow sub - stitution of resistance wire, depending on material avail - ability. on tight tolerance wirewounds some type of abrasive adjustment to the resistance wire is often used to maximize production yields. both of these procedures can adversely affect the joule rat - ing and fusing current of a wirewound resistor, and this is often the reason that the manufacturer does not publish a fixed joule rating. type watts tolerance voltage 33jxxx axial 3 5% 200 35jxxx axial 5 5% 460 30jxxx axial 10 5% 1000 825jxxxh heat sinkable 25 5% 520 rh3r0dbxxxj surface mount 3 5% 200 1.5 / 38.1 33j: 0.593 / 15.1 35j: 1.000 / 25.4 30j: 1.900 / 46.8 33j: 0.218 / 5.5 35j: 0.343 / 8.7 30j: 0.406 / 10.3 33j: 20 ga. 35j: 18 ga. 30j: 18 ga. rh3r0dbxxxj: 0.612 / 15.545 0.273 / 6.934 0.226 / 5.740 825jxxxh: 1.938 / 49.23 1.080 / 27.43 0.546 / 13.87 in. / mm standard part numbers fo r 30 series energy fusing current power to part number ohms power (j) energy (j) to fuse (a) fuse (w) 33j1r0 1 3 12.70 53.26 23.93 572.60 33j5r0 5 3 6.25 26.20 10.03 502.96 33j10r 10 3 4.94 20.73 7.08 501.70 33j15r 15 3 4.66 19.55 5.95 531.47 33j20r 20 3 3.91 16.40 5.00 500.45 33j25r 25 3 3.07 12.89 4.20 441.79 33j30r 30 3 2.97 12.46 3.92 460.80 33j50r 50 3 2.43 10.20 2.97 440.68 33j100 100 3 1.92 8.07 2.10 439.58 35J1R5 1.5 5 76.55 321.19 40.32 2438.48 35j2r5 2.5 5 64.65 271.23 31.59 2494.75 35j7r5 7.5 5 37.66 158.01 16.90 2141.89 35j12r 12 5 37.90 158.99 14.20 2420.25 35j18r 18 5 28.80 120.84 11.13 2228.50 35j22r 22 5 27.48 115.29 10.03 2213.02 35j36r 36 5 22.78 95.59 7.86 2222.93 35j47r 47 5 23.22 97.42 7.08 2358.00 35j75r 75 5 18.77 78.77 5.55 2309.77 30j2r0 2 10 162.30 680.93 47.98 4603.79 30j4r7 4.7 10 150.86 632.92 33.88 5395.94 30j6r8 6.8 10 137.27 575.91 28.47 5513.41 30j15r 15 10 119.76 502.47 20.11 6065.77 30j27r 27 10 85.27 357.74 14.20 5445.56 30j33r 33 10 65.54 274.98 11.93 4700.40 30j50r 50 10 62.45 262.03 10.03 5029.59 30j82r 82 10 51.90 217.74 7.86 5063.34 30j100 100 10 49.41 207.28 7.08 5017.03 30j150 150 10 46.61 195.54 5.95 5314.71 825j1r0h 1 25 51.04 214.12 40.32 1625.65 825j5r0h 5 25 39.92 167.49 20.11 2021.92 825j10rh 10 25 31.58 132.50 14.20 2016.87 825j25rh 25 25 19.64 82.40 8.43 1776.01 825j36rh 36 25 17.79 74.62 7.08 1806.13 825j47rh 47 25 18.71 78.49 6.60 2049.57 825j75rh 75 25 14.66 61.49 5.00 1876.69 825j100h 100 25 12.29 51.56 4.20 1767.15 825j150h 150 25 11.59 48.64 3.53 1872.00 rh3r0dbr500j 0.5 3 12.93 54.25 31.59 498.95 rh3r0db1r00j 1 3 10.23 42.91 22.31 497.70 rh3r0db2r70j 2.7 3 6.87 28.82 13.24 473.33 rh3r0db4r70j 4.7 3 5.87 24.63 10.03 472.78 rh3r0db6r80j 6.8 3 5.34 22.41 8.43 483.07 rh3r0db7r50j 7.5 3 4.75 19.91 7.86 463.11 rh3r0db10r0j 10 3 3.98 16.70 6.60 436.08 rh3r0db15r0j 15 3 3.75 15.75 5.55 461.95 rh3r0db25r0j 25 3 3.07 12.89 4.20 441.79 rh3r0db47r0j 47 3 2.28 9.59 2.97 414.24 rh3r0db68r0j 68 3 2.08 8.72 2.49 423.26 rh3r0db75r0j 75 3 2.29 9.62 2.49 466.83 rohs compliant product available; add e suffix to part number to specify. ohmite high energy wirewounds are hand wound in order to maintain the tightest possible pitch (space between windings) and thereby maximize the mass of the resistive element. since no wire substitutions are allowed, and no abrasive adjusting is permitted in this family, ohmite can publish a fixed joule rating and fusing current for each part number in the series. this technique can be applied to any wirewound product. in order to provide the broadest selection of packag - ing, ohmite has developed standard offerings in three different package types-axial, smd, and heat sinkable. other sizes and types can be quoted on request, such as tubular power resistors. (continued) check product availability using the worldwide inventory search at ohmite.com
ohmite mfg. co. 1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 51 high energy wirewound axial terminal / surface mount / heat sinkable packaging (continued) performance characterisics energy (j) 0 33j1r0 33j5r0 33j10r 33j15r 33j20r 33j25r 33j30r 33j50r 33j100 35J1R5 35j2r5 35j7r5 35j12r 35j18r 35j22r 35j36r 35j47r 35j75r 30j2r0 30j4r7 30j6r8 30j15r 30j27r 30j33r 30j50r 30j82r 30j100 30j150 20 40 60 80 100 120 140 160 180 fusing energy (j) 0 33j1r0 33j5r0 33j10r 33j15r 33j20r 33j25r 33j30r 33j50r 33j100 35J1R5 35j2r5 35j7r5 35j12r 35j18r 35j22r 35j36r 35j47r 35j75r 30j2r0 30j4r7 30j6r8 30j15r 30j27r 30j33r 30j50r 30j82r 30j100 30j150 100 200 300 400 500 600 700 fusing current (a) 0 33j1r0 33j5r0 33j10r 33j15r 33j20r 33j25r 33j30r 33j50r 33j100 35J1R5 35j2r5 35j7r5 35j12r 35j18r 35j22r 35j36r 35j47r 35j75r 30j2r0 30j4r7 30j6r8 30j15r 30j27r 30j33r 30j50r 30j82r 30j100 30j150 10 20 30 40 50 energy (j) 0 -1r0h -5r0h -10rh -25rh -36rh -47rh -75rh -100h -150h fusing energy (j) 825j- energy (j) 0 -r500j -1r00j -2r70j -4r70j -6r80j -7r50j -10r0j -15r0j -25r0j -47r0j -68r0j -75r0j rh3r0db- 0 -1r0h -5r0h -10rh -25rh -36rh -47rh -75rh -100h -150h 825j- fusing energy (j) 0 -r500j -1r00j -2r70j -4r70j -6r80j -7r50j -10r0j -15r0j -25r0j -47r0j -68r0j -75r0j rh3r0db- fusing current (a) 0 -1r0h -5r0h -10rh -25rh -36rh -47rh -75rh -100h -150h 825j- fusing current (a) 0 -r500j -1r00j -2r70j -4r70j -6r80j -7r50j -10r0j -15r0j -25r0j -47r0j -68r0j -75r0j rh3r0db- 10 20 30 40 50 60 50 100 150 200 250 5 10 15 20 25 30 35 40 45 2 4 6 8 10 12 14 0 10 20 30 40 50 60 5 10 15 20 25 30 35 to see the latest in resistor technology click on the whats new tab at ohmite.com
|
