SURFACE MOUNT TUNING VARACTORS SERIES FEATURES Package Terminal Identification Code * High-Q * Low leakage * Rugged construction * Passivated * Repeatable performance APPLICATIONS * Tuning oscillators, filters and resonators * Voltage controlled capacitor 3 3 3 3 1 2 SOT23 SINGLE DIODE (-0) 1 2 SOT23 SERIES DIODES (-2) 1 2 SOT23 COMMON CATHODE (-4) 1 2 SOT23 DUAL ANODE (-5) 3 3 2 3 1 2 SOT23 SINGLE DIODE (-1) 1 2 SOT23 COMMON ANODE (-3) 1 SOD323 1 2 SOT23 DUAL CATHODE (-6) SILICON VARACTOR DESCRIPTION The SMTV and SMTD series of Metelics silicon varactor diodes are constructed using advanced material and processes, resulting in a lower series resistance (Rs) than is produced with conventional methods. This lower Rs results in a higher Q. These diodes are suitable for applications where the most Q for the dollar is required, since they are competitive with the lower end of GaAs diodes for Q, while priced as silicon. SOT23 PACKAGE TUNING VARACTORS ELECTRICAL SPECIFICATIONS VB @ 10 uA=30 V MIN Part Number Package Mark CT-4 Typ. (pF) CTR Min. 0/30 Q@4V Min. Recommended Frequency (MHz) SMTV3001 M01 1.00 3.5 3000 3000 SMTV3002 M02 2.00 3.6 2800 2500 SMTV3004 M04 4.00 4.2 2400 2500 SMTV3006 M06 6.00 4.3 2100 2500 SMTV3008 M08 8.00 4.3 1800 2000 SMTV3010 M10 10.00 4.4 1600 2000 Capacitance values are 20%. Other values available. SOD323 PACKAGE TUNING VARACTORS ELECTRICAL SPECIFICATIONS VB @ 10 uA=30 V MIN Part Number Package Mark CT-4 Typ. (pF) CTR Min. 0/30 Q@4V Min. Recommended Frequency (MHz) SMTD3001 Cathode Band Only 1.00 3.5 3000 3000 SMTD3002 Cathode Band Only 2.00 3.6 2800 2500 SMTD3004 Cathode Band Only 4.00 4.2 2400 2500 SMTD3006 Cathode Band Only 6.00 4.3 2100 2500 SMTD3008 Cathode Band Only 8.00 4.3 1800 2000 SMTD3010 Cathode Band Only 10.00 4.4 1600 2000 Capacitance values are 20%. Other values available. 975 Stewart Drive * Sunnyvale, CA 94O86 * 4O8.737.8181 * FAX: 4O8.733.7645 * www.metelics.com * sales@metelics.com