294A Series – SMD AIR WOUND COIL Rev. A A. Electrical Specifications: P/N Turns L (nH) Tol. Q Min. 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 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 95 87 87 95 95 92 95 95 95 95 95 87 Test Freq. DCR Max. SRF Min. I DC Max. (MHz) (MHz) (A) (mΩ) Q Typ. 114 104 104 114 114 110 114 114 114 114 114 104 50 50 50 50 50 50 50 50 50 50 50 50 15 15 20 25 30 35 35 35 50 60 65 90 1140 1020 900 875 800 730 685 660 590 540 535 490 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. Dimensions: mm (Inch) Series a b c d e f g h i j 294A 6.35 (0.250) 1.02 (0.040) 5.9 (0.232) 10.55 (0.415) 7.98 (0.314) 10 (0.394) 4.7 (0.185) 5.95 (0.234) 2.42 (0.095) 2.04 (0.080) Tol. Max. ±0.39 (0.015) Max. Max. ±0.51 (0.02) Typ. Typ. Typ. Typ. Typ. Foot Print C. General Information: 1. P/N: 294A-xx_, “294A” = Type, “xx” = Dash number, “_” = Inductance tolerance. 2. Tolerance “_”: J: ± 5%, G: ± 2% 3. Small and lightweight surface mounting type 4. High Q at high frequency 5. High self-resonance frequency 6. Maximum Temperature Rise: 15°C (when measured at 25°C ambient). 7. Inductance & Q measured with HP4291B Impedance Analyzer with HP16193 test fixture 8. SRF measured using the HP8753E Network Analyzer or equivalent. 9. DCR measured using the Chroma 16502 or equivalent 10. Operating temperature: -40°C to +125ºC 11. Storage temp. : -40ºC to +85ºC. 12. Inductance and Current Range: From 90 nH (3500 mA) to 538 nH (2000 mA) 13. SRF: From 490 MHz to 1140 MHz 14. MSL: Level 1. D. Applications: 1. 2. 3. 4. 5. 6. Game Consoles Set Top Boxes Cables Modems Computers Mobile Communication Devices (Cell Phones, Radios, etc.) RF Filters Frontier Electronics Corp.® http://www.frontierusa.com Page 1 of 2 667 E. Cochran St., Simi Valley, CA 93065 Phone: 1-805-522-9998, Fax: 1-805-522-9989 294A Series – SMD AIR WOUND COIL Rev. A E. Characteristics curve: Inductance vs. Frequency 1000 900 800 Inductance (nH) 700 294A-20 600 500 400 294A-16 300 294A-12 200 100 294A-09 0 1 10 100 1000 Frequency (MHz) Q vs. Frequency 140 294A-09 130 294A-20 294A-16 120 294A-12 110 100 Q 90 80 70 60 50 10 100 1000 Frequency (MHz) Frontier Electronics Corp.® http://www.frontierusa.com Page 2 of 2 667 E. Cochran St., Simi Valley, CA 93065 Phone: 1-805-522-9998, Fax: 1-805-522-9989