Document 334-1 Broadband Conical Inductors Coilcraft’s conical inductors are designed specifically for broadband and high frequency applications. This single component operates as a series of narrow-band inductors throughout an operating frequency range of 10 MHz to 40 GHz. These conical inductors are ideal for use in ultra-wideband bias T’s. In this application, the conical inductor provides the path for the DC bias injection or extraction while isolating the power source from the active device. The BCL versions are supplied with “flying leads” that allow adjustment of the mounting angle. Each surface mount BCS inductor has a self positioning mounting bracket. To request evaluation samples, contact Coilcraft. DCR Part number Inductance2 max Irms3 1 Surface mount Flying lead ±5% (µH) (Ohms) (mA) BCS-531JL_ BCL-531JL 0.53 0.15 830 BCS-122JL_ BCL-122JL 1.2 1.05 200 BCS-652JL_ BCL-652JL 6.5 0.70 510 BCS-802JL_ BCL-802JL 8.0 3.39 150 Response curves measured in a bias tee configuration with an Agilent/HP 8722ES network analyzer. Port 1 Port 2 1 2 Insertion Loss (BCL and BCS) 1. When ordering, please specify packaging code: Packaging: BCS-802JLC C = 7″ machine-ready reel. EIA-481 embossed plastic tape (BCS-122JL: 500 parts per full reel; BCS-531JL and BCS-802JL: 300 parts per full reel; BCS-652JL: 200 parts per full reel). B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter C instead. 2. Inductance measured at 10 MHz, 0.1 Vrms, 0 Adc using an Agilent/ HP 16092A fixture in an Agilent/HP 4291A impedance analyzer. 3. Current that causes a 40°C temperature rise from 25°C ambient. 4. Ambient temperature range: –40°C to +85°C 5. Storage temperature range: Component: –40°C to +85°C Packaging: –40°C to +80°C 6. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. Return Loss (BCL and BCS) 0 0 -652 10 0.5 1.0 -122 -802 1.5 S11 (dB) S21 (dB) -531 -802 -122 20 -652 30 40 2.0 -531 50 2.5 0.05 10 20 30 40 0.05 10 Specifications subject to change without notice. Please check our website for latest information. © Coilcraft, Inc. 2009 20 30 40 Frequency (GHz) Frequency (GHz) Document 334-1 Revised 10/30/08 Document 334-2 Broadband Conical Inductors BCL CL D B 2 C ∝ PC board 1 E ∝ Optimum mounting angle is application specific. A (ID) Packaging: 25 per tray Terminations: Tin-silver over copper Weights: BCL-531: 20 mg; BCL-122: 6 mg; BCL652: 155 mg; BCL802: 26 mg BCL-531 BCL-122 BCL-652 BCL-802 0.008 0.008 0.008 0.008 A ±0.002 /0,20 ±0.002 /0,20 ±0.002 /0,20 ±0.002 /0,20 ±0,05 ±0,05 ±0,05 ±0,05 B max 0.071 /1,80 0.045 /1,14 0.140 /3,56 0.074 /1,88 C max 0.179 /4,55 0.104 /2,64 0.418 /10,62 0.225 /5,72 D (±0.010 / 2,54) 0.166 /4,22 0.166 /4,22 0.390 /9,91 0.180 /4,57 E (±0.010 / 2,54) 0.100 /2,54 0.100 /2,54 0.100 /2,54 0.100 /2,54 Dimensions (inches /millimeters) BCS-122 BCS-531, BCS-802 BCS-652 Top View Top View Top View A A A B B B Side View Side View Side View Front View C C C Recommended Land Pattern Recommended Land Pattern 2 * 2 Recommended Land Pattern F F F *D D 2 D D Front View Front View 1 D E * D 1 D E D 1 * D D E D Pad is for mounting stability only. Do not connect to circuit. Terminations: Tin-silver-copper over silver-platinum-glass frit Weights: BCS-122: 19 mg; BCS-531: 71 mg; BCS-802: 77 mg; BCS-652: 329 mg A BCS-531 0.150 ±0.010/ 3,81±0,25 BCS-122 0.100 ±0.010 / 2,54 ±0,25 BCS-652 0.220 ±0.010 / 5,59 ±0,25 BCS-802 0.150 ±0.010 / 3,81 ±0,25 Dimensions (inches /millimeters) B 0.220 ±0.010 / 5,59 ±0,25 0.120 ±0.010 / 3,05 ±0,25 0.440 ±0.010 / 11,18 ±0,25 0.220 ±0.010 / 5,59 ±0,25 C 0.160 ±0.010 / 4,06 ±0,25 0.110 ±0.010 / 2,79 ±0,25 0.220 ±0.010 / 5,59 ±0,25 0.160 ±0.010 / 4,06 ±0,25 D 0.040 / 1,02 0.030 / 0,76 0.050 / 1,27 0.040 / 1,02 Specifications subject to change without notice. Please check our website for latest information. © Coilcraft, Inc. 2009 E 0.150 / 3,81 0.070 / 1,78 0.360 / 9,14 0.150 / 3,81 Document 334-2 F 0.080 / 2,03 0.050 / 1,27 0.140 / 3,56 0.080 / 2,03 Revised 10/30/08