1944R_10 API | Alldatasheet
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SRF MINIMUM (MHz) MIL DASH # (Ref.) Q MINIMUM DASH NUMBER* INDUCTANCE (µH) INDUCTANCE TEST FREQUENCY (MHz) Q TEST FREQUENCY (MHz) DC RESISTANCE MAXIMUM (OHMS) CURRENT RATING MAXIMUM (mA) TOLERANCE SERIES 1944R & 1945R 1944 & 1945 Molded Unshielded RF Coils Test Methods M IL-PR F-15305 test m ethods, only. M S2138 9-01 to M S2138 9-17, reference - 1944 Series M S21390-01 to M S21390-39, reference - 1945 Series Physical Parameters Inches M illim eters Length 0.420 to 0.447 10.67 to 11.35 D iam eter 0.168 to 0.193 4.27 to 4.90 Lead Size AW G #22 TC W 0.023 to 0.027 0.58 4 to 0.68 6 Lead Length 1.30 M in. 33.02 M in. Current Rating at 90°C Ambient 35°C R ise Operating Temperature –55°C to +125°C Maximum Power Dissipation at 90°C Series 1944: 0.38 5 W Series 1945: 0.330 W Marking D ELEVAN; inductance w ith units and tolerance; date code (YYW W L). Note: An R before the date code indicates a R oH S com ponent. Exam ple: 1944-14M Front: R everse: D ELEVAN 0704A 1.2uH ±20% Packaging Tape & reel: 12" reel, 2500 pieces m ax.; 14" reel, 3000 pieces m ax. M ade in the U .S.A . RF Inductors 270 Q uaker R d., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-48 14 • E-m ail: apisales@ delevan .com • w w w.delevan.com MS21389 (Reference) – SERIES 1944 PHENOLIC CORE -01M -02M -03M -04M -05M -06M -07M -08 M -09M -10M -11M -12M -13M -14M -15K -16K -17K MS21390 (Reference) – SERIES 1945 IRON CORE -01K -02K -03K -04K -05K -06K -07K -08 K -09K -10K -11K -12K -13J -14J -15J -16J -17J -18 J -19J -20J -21J -22J -23J -24J -25J -26J -27J -28 J -29J -30J -31J -32J -33J -34J -35J -36J -37J -38 J -39J 4000 3500 3000 3000 3000 2700 2500 2000 2000 1700 1500 1300 1100 1000 8 50 720 610 1600 1400 1200 1000 900 8 00 720 650 590 500 460 430 360 300 290 275 265 250 235 220 170 164 158 155 150 145 142 137 135 131 128 124 123 120 115 113 110 107 104 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 0.28 0 0.38 0 0.540 0.750 0.11 0.14 0.19 0.28 0.34 0.43 0.56 0.67 0.8 1 1.15 1.40 1.60 2.30 3.30 3.32 3.70 3.99 4.48 5.07 5.78 5.00 5.8 0 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 16.5 400 400 400 400 400 376 352 320 28 8 264 240 220 200 176 160 144 132 8 8 8 0 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 2.8 8 2.8 0 2.72 2.64 2.48 2.40 2.24 8 0 8 5 8 0 8 0 7.9 7.9 7.9 7.9 5.0 5.0 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 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 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 0.10 0.12 0.15 0.18 0.22 0.27 0.33 0.39 0.47 0.56 0.68 0.8 2 1.00 1.20 1.50 1.8 0 2.20 2.70 3.30 3.90 4.70 5.60 6.8 0 8 .20 10.0 12.0 15.0 18 .0 22.0 27.0 33.0 39.0 47.0 56.0 68 .0 8 2.0 100 120 150 18 0 220 270 300 330 360 390 430 470 510 560 620 68 0 750 8 20 910 1000 ± 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% O ptional Tolerances: K = 10% J = 5% H = 3% G = 2% F = 1% *C om plete part # m ust include series # PLU S the dash # For surface finish inform ation, refer to w w w.delevanfinishes.com Actual Size API_newlayouts_single:APIcatalog_newlayouts 8/24/10 11:40 AM Page 44