Frontier Electronics Corp. 667 E. COCHRAN STREET, SIMI VALLEY, CA 93065 TEL: (805) 522-9998 FAX: (805) 522-9989 E-mail: [email protected] Web: http://www.frontierusa.com SMD Air Wound Coils—294A series A. Electrical specifications: Part No. Turns 294A-09 294A-10 294A-11 294A-12 294A-13 294A-14 294A-15 294A-16 294A-17 294A-18 294A-19 294A-20 9 10 11 12 13 14 15 16 17 18 19 20 Q (min) 95 87 87 95 95 92 95 95 95 95 95 87 L (nH) Tolerance 90 111 130 169 206 222 246 307 380 422 491 538 J, G J, G J, G J, G J, G J, G J, G J, G J, G J, G J, G J, G Q (Typ) 114 104 104 114 114 110 114 114 114 114 114 104 DCR (mΩ) 15 15 20 25 30 35 35 35 50 60 65 90 Test Freq. 50 MHz 50 MHz 50 MHz 50 MHz 50 MHz 50 MHz 50 MHz 50 MHz 50 MHz 50 MHz 50 MHz 50 MHz SRF min (MHz) 1140 1020 900 875 800 730 685 660 590 540 535 490 I DC (A max.) 3.5 3.5 3.0 3.0 3.0 3.0 3.0 3.0 2.5 2.5 2.0 2.0 B. Mechanical dimensions: (Unit: mm) Series No. a b c d e 294A 6.35(MAX) 1.02±0.39 5.9(MAX) 10.55(MAX) 7.98±0.51 Mechanical dimension Land Pattern C. Land Pattern: (Unit: mm) Series No. a b c d e 294A 10.0 4.70 5.95 2.42 2.04 D. Notes: 1. 2. 3. 4. 5. 6. Tolerance: J = ± 5 % or G= ± 2 %. Inductance & Q measured on the HP4291B with HP16193 test fixture. SRF measured on the HP8753E. Operating temp. : -40ºC TO +125ºC. For Temperature Rise: 15ºC. Inductance Range: (@ 25ºC.) 294A: From 90nH to 538nH. 7. Equivalent to Coilcraft’s “Maxi Spring” Air Core Inductor. 8. RoHS compliant. SMD Air Coil: P/N 294A-series Rev. A Jan. 01, 2006. Page: 1 of 2 Frontier Electronics Corp. 667 E. COCHRAN STREET, SIMI VALLEY, CA 93065 TEL: (805) 522-9998 FAX: (805) 522-9989 E-mail: [email protected] Web: http://www.frontierusa.com SMD Air Wound Coils—294A series E. Characteristic curve: 1. L vs. Frequency: 1000 900 800 700 Inductance (nH) 2 9 4 A -2 0 600 500 400 2 9 4 A -1 6 300 2 9 4 A -1 2 200 100 2 9 4 A -0 9 0 1 10 100 1000 F r e q u e n c y (M H z ) 2. Typical Q vs. Frequency: 140 2 9 4 A -0 9 130 2 9 4 A -2 0 2 9 4 A -1 6 120 2 9 4 A -1 2 110 100 Q 90 80 70 60 50 10 100 1000 F r e q u e n c y (M H z ) SMD Air Coil: P/N 294A-series Rev. A Jan. 01, 2006. Page: 2 of 2