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Product Detailed Parameters
- Description：DIODE FM VARICAP TWIN VR 8V CP
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Capacitance @ Vr, F：-
- Capacitance Ratio：-
- Capacitance Ratio Condition：-
- Voltage - Peak Reverse (Max)：-
- Diode Type：-
- Q @ Vr, F：-
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：3-CP
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Overview
The SVC203C-AA-TB-E is a silicon variable capacitance diode designed for Very High Frequency (VHF) applications. It features a common cathode configuration with two internal elements housed in a surface-mount SOT-23 package. The device specifies a nominal junction capacitance of 62.39 pF and a maximum repetitive peak reverse voltage of 16 V. Key electrical characteristics include a minimum quality factor of 60 and a minimum capacitance ratio of 4.6, with a tolerance of 5.75%. It operates at temperatures up to 125 °C.
Feature Summary
- Dual-element common cathode architecture for balanced circuit integration
- Optimized for VHF band signal tuning and frequency control
- High quality factor ensures low loss performance in resonant circuits
Applications
- VHF tuner circuits
- Frequency modulation stages
- RF filter tuning networks
Procurement Notes
Verify the manufacturer origin carefully, as the original SVC203C was produced by Sanyo Semiconductor, which has undergone corporate restructuring. Confirm that the specific suffix -AA-TB-E corresponds to the intended pinout and tape-and-reel packaging format required for your assembly process before finalizing orders.
Selection Notes
Select this component when a dual-diode VHF varactor with a 16 V rating is required. Ensure the design accommodates the 62.39 pF nominal capacitance and the specified 5.75% tolerance. Verify that the SOT-23 footprint matches the PCB layout constraints and that the operating temperature range extends to 125 °C if necessary.
Part Context
This part belongs to the family of silicon variable capacitance diodes historically manufactured by Sanyo Semiconductor. These components are engineered for RF applications requiring precise capacitance variation under reverse bias. The dual-element design allows for differential configurations or push-pull tuning arrangements in VHF systems.
Replacement Considerations
Check for direct equivalents from current manufacturers holding the legacy Sanyo semiconductor assets. Verify pin compatibility and electrical parameter alignment, specifically the 16 V rating and 62.39 pF capacitance, when sourcing substitutes.
