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Series
RF INDUCTORS
1944R&1945R 1944&1945
MS21389 (reference) - SERIES 1944 PHENOLIC CORE
-01M -02M -03M -04M -05M -06M -07M -08M -09M -10M -11M -12M -13M -14M -15K -16K -17K -01K -02K -03K -04K -05K -06K -07K -08K -09K -10K -11K -12K -13J -14J -15J -16J -17J -18J -19J -20J -21J -22J -23J -24J -25J -26J -27J -28J -29J -30J -31J -32J -33J -34J -35J -36J -37J -38J -39J 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0.10 0.12 0.15 0.18 0.22 0.27 0.33 0.39 0.47 0.56 0.68 0.82 1.00 1.20 1.50 1.80 2.20 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 25 25 25 25 25 25 25 25 25 25 25 25 25 7.9 7.9 7.9 7.9 50 50 50 50 50 45 40 40 25 25 25 25 20 20 15 15 15 75 75 75 65 65 65 65 60 55 50 50 45 45 45 45 45 45 55 55 60 70 65 65 60 60 65 80 75 75 75 85 80 80 75 75 75 75 65 65 65 65 65 65 65 65 65 65 65 65 60 60 60 60 60 60 60 400 400 400 400 400 376 352 320 288 264 240 220 200 176 160 144 132 88 80 76 72 64 56 52 48 42.4 37.6 34.4 32.0 28.8 25.6 20.8 17.6 15.2 12.8 10.4 8.00 5.76 5.36 5.04 4.72 4.48 4.24 4.00 3.76 3.60 3.44 3.20 3.04 2.88 2.80 2.72 2.64 2.48 2.40 2.24 0.020 0.025 0.030 0.030 0.030 0.040 0.045 0.070 0.070 0.100 0.120 0.160 0.230 0.280 0.380 0.540 0.750 0.11 0.14 0.19 0.28 0.34 0.43 0.56 0.67 0.81 1.15 1.40 1.60 2.30 3.30 3.32 3.70 3.99 4.48 5.07 5.78 5.00 5.80 6.60 7.40 8.00 8.60 8.90 9.60 9.90 10.4 10.9 11.6 11.8 12.5 13.5 14.0 15.0 15.5 16.5 4000 3500 3000 3000 3000 2700 2500 2000 2000 1700 1500 1300 1100 1000 850 720 610 1600 1400 1200 1000 900 800 720 650 590 500 460 430 360 300 290 275 265 250 235 220 170 164 158 155 150 145 142 137 135 131 128 124 123 120 115 113 110 107 104
DA SH
Molded Unshielded RF Coils
MS21390 (reference) - SERIES 1945 IRON CORE
1 2.70 2 3.30 3 3.90 4 4.70 5 5.60 6 6.80 7 8.20 8 10.0 9 12.0 10 15.0 11 18.0 12 22.0 13 27.0 14 33.0 15 39.0 16 47.0 17 56.0 18 68.0 19 82.0 20 100 21 120 22 150 23 180 24 220 25 270 26 300 27 330 28 360 29 390 30 430 31 470 32 510 33 560 34 620 35 680 36 750 37 820 38 910 39 1000 7.9 10 7.9 10 7.9 10 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 5.0 2.5 5.0 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 2.5 2.5 2.5 2.5 1.5 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 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
Test Methods MIL-PRF-15305 test methods, only. MS21389-01 to MS21389-17, reference - 1944 Series MS21390-01 to MS21390-39, reference - 1945 Series Physical Parameters Inches Length 0.420 to 0.447 Diameter 0.168 to 0.193 Lead Size AWG #22 TCW 0.023 to 0.027 Lead Length 1.30 Min. Millimeters 10.67 to 11.35 4.27 to 4.90 0.584 to 0.686 33.02 Min.
Current Rating at 90C Ambient 35C Rise Operating Temperature -55C to +125C Maximum Power Dissipation at 90C Series 1944: 0.385 W Series 1945: 0.330 W Packaging Tape & reel: 12" reel, 2500 pieces max.; 14" reel, 3000 pieces max. For additional packaging options, see technical section. Made in the U.S.A.
Optional Tolerances: K = 10% J = 5% H = 3% G = 2% F = 1% *Complete part # must include series # PLUS the dash # For further surface finish information, refer to TECHNICAL section of this catalog.
PAGE
48
www.delevan.com E-mail: apisales@delevan.com 270 Quaker Rd., East Aurora NY 14052 * Phone 716-652-3600 * Fax 716-652-4814
NU MB ER MI * L DA SH IN #( DU CT Ref. ) AN CE TO ( LE H) RA NC IN D E FR UCT EQ AN UE CE QNC T TE E ST Y (M ST H FR Q EQ z) MI UE NI MU NC SR M Y F (M MI Hz NI ) MU DC M RE (M MA S Hz XI IST ) MU A CU N RR M (O CE MA E H XI NT MS MU R AT ) MI (m NG A)
4/2005

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