SMV1281-011

Hyperabrupt Junction Tuning Varactor SMV1281-011 Features s High Tuning Ratio s SOD-323 Package s Designed for High Volume, Low Cost Applications s Available in Tape and Reel Packaging Description The SMV1281-011 is a surface mount varactor diode in the SOD-323 plastic package. It is designed for very high capacitance tuning ratio while having low series resistance, which makes this device especially attractive for wideband VCO applications. Absolute Maximum Ratings Characteristic Forward Current (IF) Power Dissipation (PD) Storage Temperature (TST) Operating Temperature (TOP) Value 20 mA 250 mW -55°C to +150°C -55°C to +125°C Electrical Specifications at 25°C Parameter Reverse Current (IR) Capacitance (CT) Capacitance (CT) Capacitance Ratio (CTR) Series Resistance (RS) Breakdown Voltage (VBR) 1V 20 V 1 V/20 V VR = 1 V, F = 500 MHz IR = 10 µA 24.0 Condition VR = 20 V 7.8 0.6 8.6 0.7 12.0 1.7 Ω V Min. Typ. Max. 20.0 9.5 0.8 Unit nA pF pF Alpha Industries, Inc. [781] 935-5150 Fax [617] 824-4579 Email [email protected] www.alphaind.com Specifications subject to change without notice. 1/01A 1 Hyperabrupt Junction Tuning Varactor SMV1281-011 Typical Performance Data 14 12 Capacitance vs. Reverse Voltage VR (V) 0 1 CT (pF) 13.30 8.60 6.30 4.80 3.60 2.70 2.00 1.60 1.40 1.20 1.10 1.00 0.94 0.89 0.85 0.81 0.78 0.75 0.73 0.71 0.69 Capacitance (pF) 10 8 6 4 2 0 0 2 4 6 8 10 12 14 16 18 20 2 3 4 5 6 7 8 9 10 11 12 Reverse Voltage (V) Capacitance vs. Reverse Voltage ...