RM221K

K, R, S, V & X Series R. F. Molded Chokes 1.438" ±0.188 36.525mm ±4.77 L This product has been DISCONTINUED D (Color coded in accordance with MIL-C-15305.) Series Construction Inductance Style Grade/ Class Max. oper. temp. Max. Dielectric temp. Ambient withstanding voltage Terminal rise temp. (sea level) (reduced pressure) pull Altitude Series K R S V X Dimensions (in. / mm) Length Diameter 0.375 ± 0.010 0.156 ± 0.010 9.525 ± 0.25 3.962 ± 0.25 0.438 ± 0.010 0.188 ±0.010 11.125 ± 0.25 4.775 ± 0.25 0.440 ± 0.010 0.190 ± 0.010 4.917 ± 0.25 4.826 ± 0.25 0.560 ± 0.010 0.215 ± 0.010 14.224 ± 0.25 5.461 ± 0.25 0.740 ± 0.010 0.240 ± 0.010 18.796 ± 0.25 6.096 ± 0.25 AWG 22 22 22 22 20 K R S, V &X Phenolic 0.15–4.7 µH LT4 Powd. iron 0.56–1000 µH LT10 Phenolic 0.15–2.7 µH LT4 Powd. iron 3.3–27 µH LT10 270– LT10 10,000 µH 1/B 1/A 1/B 1/A 1/A 125°C 105°C 125°C 105°C 105°C 35°C 90°C 15°C " 35°C 90°C 15°C " 15°C 90°C 1000VRMS 200VRMS " " 1000VRMS 200VRMS " " 700VRMS 180VRMS 5 lbs. 70,000 ft. " " 5 lbs. 70,000 ft. " " 5 lbs. 70,000 ft. STOCK PART NUMBERS Test frequency (L & Q, MHz) Test frequency (L & Q, MHz) Test frequency (L & Q, MHz) MS part designation* MS part designation* MS part designation* Rated DC current (mA) Rated DC current (mA) Inductance* (µH) Inductance* (µH) Inductance* (µH) Rated DC current (mA) 370 310 255 240 205 110 107 105 102 100 97 95 93 91 88 85 83 81 79 78 78 76 75 72 70 68 67 66 64 62 61 58 57 61 59 58 57 56 54 52 51 50 49 47 DCR max. (Ω) DCR max. (Ω) KM150M KM220M KM330M KM470M KM560K KM680K KM820K KM101K KM121K KM151K KM181K KM221K KM271K KM331K KM391K KM471K KM561K KM681K KM821K KM102K KM122K KM152K KM182K KM222K KM272K KM332K KM362J KM392J KM432J KM472J KM512J KM562J KM622J KM682J KM752J KM822J KM912J 18130– –1 0.15 –2 0.22 –3 0.33 –4 0.47 –5 0.56 –6 0.68 –7 0.82 –8 1.00 –9 1.20 –10 1.50 –11 1.80 –12 2.20 –13 2.70 –14 3.30 –15 3.90 –16 4.70 14046– –1 5.60 –2 6.80 –3 8.20 –4 10.00 –5 12.00 –6 15.00 –7 18.00 –8 22.00 –9 27.00 –10 33.00 90538– –1 36.00 –2 39.00 –3 43.00 –4 47.00 –5 51.00 –6 56.00 –7 62.0 –8 68.0 –9 75.0 –10 82.0 –11 91.0 50 50 45 45 50 50 50 50 33 33 33 33 33 33 33 33 45 50 50 55 65 65 75 75 60 65 60 60 60 55 55 55 55 55 55 50 50 25 25 25 25 25 25 25 25 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 525 450 360 310 280 250 220 200 180 160 150 135 120 110 100 90 60 55 50 45 42 40 34 30 25 19 15.5 14.5 13.7 13.0 12.7 12.0 11.5 11.0 10.5 10.3 10.0 0.03 0.055 0.09 0.12 0.135 0.15 0.22 0.29 0.42 0.50 0.65 0.95 1.20 2.00 2.30 2.60 0.32 0.50 0.60 0.90 1.10 1.40 2.25 2.50 2.60 3.00 2.50 2.60 2.70 2.75 2.85 3.00 3.15 3.30 3.70 3.90 4.3 2450 1900 1400 1225 1220 1100 900 830 650 600 525 435 385 300 280 260 495 395 360 290 265 240 185 175 170 165 180 176 172 170 167 164 160 156 147 143 136 * For example, the MS designation for KM150M is 18130-1 ** Letter suffix on part number denotes tolerance: J=5%, K=10%, M=20% 90538– –12 100.0 –13 110.0 –14 120.0 –15 130.0 –16 150.0 –17 160.0 –18 180.0 –19 200.0 –20 220.0 –21 240.0 270.0 300.0 330.0 360.0 390.0 430.0 470.0 510.0 560.0 620.0 680.0 750.0 820.0 910.0 1000.0 MS75008– RM150M –21 0.15 RM220M –22 0.22 RM330M –23 0.33 RM470M –24 0.47 RM560K –25 0.56 RM680K –26 0.68 RM820K –27 0.82 RM101K –28 1.00 RM121K –29 1.20 RM151K –30 1.50 RM181K –31 1.80 RM221K –32 2.20 RM271K –33 2.70 MS75101– RM331K –1 3.30 RM391K –2 3.90 RM471K –3 4.70 RM561K –4 5.60 RM681K –5 6.80 RM821K –6 8.20 RM102K –7 10.00 KM103J KM113J KM123J KM133J KM153J KM163J KM183J KM203J KM223J KM243J KM273J KM303J KM333J KM363J KM393J KM433J KM473J KM513J KM563J KM623J KM683J KM753J KM823J KM913J KM104J 50 60 65 65 65 65 65 65 65 65 65 65 65 65 65 65 65 65 65 65 65 65 65 65 65 55 50 50 50 50 45 40 40 30 30 30 30 30 30 30 30 30 30 30 30 2.5 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 9.5 8.9 8.7 8.5 8.0 7.5 7.0 6.5 6.2 5.9 5.7 5.4 5.1 4.8 4.5 4.2 3.9 3.8 3.7 3.3 3.1 2.9 2.7 2.5 2.3 510 415 350 300 270 250 210 200 180 170 150 140 120 70 65 60 50 50 48 42 4.50 4.90 5.20 5.45 6.05 6.40 6.75 7.10 7.45 7.80 11.0 11.5 12.0 12.5 16.3 17.1 17.9 18.8 19.5 25.9 27.2 28.6 30.0 31.5 33.0 0.030 0.035 0.065 0.085 0.125 0.150 0.205 0.290 0.400 0.485 0.740 0.970 1.20 0.140 0.155 0.210 0.280 0.375 0.440 0.605 133 128 124 121 114 111 108 106 103 101 85 83 81 80 70 68 67 65 64 55 54 53 52 50 49 3000 2800 2000 1700 1450 1300 1100 930 785 700 580 505 460 990 870 745 645 560 540 440 MS75101– RM122K –8 12.00 RM152K –9 15.00 RM182K –10 18.00 RM222K –11 22.00 RM272K –12 27.00 MS90539– SM273J –1 270 SM303J –2 300 SM333J –3 330 SM363J –4 360 SM393J –5 390 SM433J –6 430 SM473J –7 470 SM513J –8 510 SM563J –9 560 SM623J –10 620 SM683J –11 680 SM753J –12 750 SM823J –13 820 SM913J –14 910 SM104J –15 1000 MS90540– VM114J –1 1100 –2 1200 VM124J VM134J –3 1300 VM154J –4 1500 VM164J –5 1600 VM184J –6 1800 VM204J –7 2000 VM224J –8 2200 VM244J –9 2400 VM274J –10 2700 VM304J –11 3000 VM334J –12 3300 VM364J –13 3600 MS90541– XM394J –1 3900 XM434J –2 4300 XM474J –3 4700 XM504J –4 5000 XM564J –5 5600 XM624J –6 6200 XM684J –7 6800 XM754J –8 7500 XM824J –9 8200 XM914J –10 9100 XM105J –11 10000 50 55 60 60 65 65 65 65 65 65 65 65 65 65 60 60 60 60 60 60 60 60 60 65 65 65 65 70 70 70 70 70 70 80 80 80 80 80 80 80 80 80 80 80 2.5 2.5 2.5 2.5 2.5 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 36 30 30 24 22 5.6 5.3 5.0 4.7 4.5 4.3 4.0 3.8 3.6 3.5 3.4 3.3 3.1 2.9 2.8 2.8 2.7 2.6 2.4 2.3 2.2 2.1 2.0 1.9 1.8 1.7 1.6 1.5 1.45 1.40 1.35 1.30 1.25 1.20 1.15 1.10 1.05 1.00 0.95 80 Ohmite Mfg. Co. 1600 Golf Rd., Suite 850, Rolling Meadows, IL 60008 • Tel. 1-866-9-OHMITE • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com DCR max. (Ω) 1.05 1.20 1.95 2.20 2.75 8.2 8.7 9.1 9.6 10.0 10.6 11.1 11.6 12.3 13.0 13.7 14.4 15.1 15.8 16.5 21.0 22.0 23.0 25.0 26.0 28.0 29.0 30.0 31.0 33.0 35.0 38.0 40.0 44.0 46.0 48.0 50.0 53.0 56.0 59.0 62.0 65.0 68.0 72.0 SRF min. (MHz) SRF min. (MHz) SRF min. (MHz) Part number Part number Part number Q min. Q min. Q min.