Hyperabrupt Junction Tuning Varactor
SMV1245-011 Features
s High Tuning Ratio s Low Series Resistance s SOD-323 Package ...
Hyperabrupt Junction Tuning Varactor
SMV1245-011 Features
s High Tuning Ratio s Low Series Resistance s SOD-323 Package s Designed for High Volume, Low Cost Applications s Available in Tape and Reel Packaging
Description
The SMV1245-011 is a surface mount varactor diode in the SOD-323 plastic package. It is designed for very low series resistance applications such as RF and microwave VCOs.
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 Breakdown Voltage (VBR) Reverse Current (IR) Capacitance (CT) Capacitance Ratio (CTR) Capacitance Ratio (CTR) Series Resistance (RS) IR = 10 µA VR = 10 V CT @ 1 V, VR = 1 V, F = 1 MHz CT (1 V)/CT (3 V) CT (1 V)/CT (9 V) VR = 1 V, F = 500 MHz 4.40 1.47 3.50 Condition Frequency Min. 26.00 50.00 5.40 1.76 4.20 2.00 Ω Typ. Max. Unit V nA pF
Alpha Industries, Inc. [781] 935-5150 Fax [617] 824-4579 Email
[email protected] www.alphaind.com
Specifications subject to change without notice. 5/99A
1
Hyperabrupt Junction Tuning Varactor
SMV1245-011
Typical Performance Data
10
Capacitance vs. Voltage
VR (V) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 CT (pF) 7.37 5.84 4.93 4.28 3.79 3.40 3.06 2.76 2.51 2.28 2.09 1.92 1.78 1.66 1.55 1.46 1.38 1.32 1.26 1.20 1.16 1.12 1.08 1.05 1.02
Capacitance (pF)
1
4.0 0 1 2 3 4 5 6 7 8 9 10 11 12 4.5 5.0 5.5 6.0
Varactor Voltage (V...