RoHS SMB20 thru 40 Surface Mount Beads SMB20 SMB30 0.181±0.01 (4.59±0.26) 0.378±0.037 (9.60±0.94) 0.053±0.004 (1.35±0.10) 0.120±0.004 (3.05±0.10) 0.120±0.004 (3.05±0.10) 0.112±0.008 (2.84±0.20) 0.112±0.028 (2.84±0.71) 0.053±0.004 (1.35±0.10) E 0.053±0.026 (1.35±0.66) Inches (mm) Dimensions: 0.053±0.026 (1.35±0.66) E Physical Packaging: SMB20 - 2800 per 13 inch reel. SMB30 - 500 per 7 inch reel. SMB40 - 500 per 7 inch reel. SMB40 0.305±0.035 (7.75±0.89) 0.187±0.008 (4.75±0.20) IMPEDANCE CURVE 0.118±0.006 (3.00±0.15) 0.050±0.004 (1.27±0.10) E Allied Part Number Z@ 25 MHz Min. Ω Z@ 100 MHz Min. Ω DC Resistance Max.Ω SMB20-RC 23 38 0.6 SMB30-RC 50 80 0.9 SMB40-RC 55 90 0.9 Impedance (Ohm) 0.053±0.026 (1.35±0.66) 100 SMB30 SMB40 10 SMB20 1 1 100 90 80 70 60 50 40 30 20 10 50 0Amp .1Amp .2Amp .5Amp 1Amp 2Amp 3Amp 5Amp 0Amp .1Amp .2Amp 40 .5Amp 30 1Amp 20 2Amp 3Amp 5Amp 10 1 10 100 Frequency (MHz) All specifications subject to change without notice. 1 714-665-1140 1000 IMPEDANCE VS. DC BIAS SMB20 Impedance (Ohm) Impedance (Ohm) IMPEDANCE VS. DC BIAS SMB30 & SMB40 10 100 Frequency (MHz) ALLIED COMPONENTS INTERNATIONAL REVISED 3/26/09 10 Frequency (MHz) 100 www.alliedcomponents.com