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Product Detailed Parameters
- Description：SI TVAR NON HERMETIC PLASTIC SMT
- Series：GCX1211
- Mfr：Microchip Technology
- Package：Bulk
- Capacitance @ Vr, F：6.8pF @ 4V, 1MHz
- Capacitance Ratio：4
- Capacitance Ratio Condition：C0/C30
- Voltage - Peak Reverse (Max)：30 V
- Diode Type：Single
- Q @ Vr, F：2000 @ 4V, 50MHz
- Operating Temperature：-55°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
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Overview
The GCX1211-23-0 is a single silicon varactor diode manufactured by Microchip Technology. It features a non-hermetic plastic surface-mount design housed in a SOT-23-3 package. The device supports a reverse voltage of 30 V and offers a capacitance of 2.7 pF. It operates within a temperature range of -55 °C to +125 °C and provides a minimum tuning ratio of 3.7 under specified test conditions.
Feature Summary
- Single junction silicon varactor configuration for RF applications
- Non-hermetic plastic surface-mount construction
- SOT-23-3 package format for compact integration
Applications
- RF circuit tuning
- Voltage-controlled oscillator (VCO) designs
- Frequency modulation circuits
Procurement Notes
Verify the specific datasheet version and electrical characteristics against the official Microchip Technology documentation before integration. Confirm that the SOT-23-3 package dimensions align with your PCB footprint requirements. Ensure operating conditions remain within the specified -55 °C to +125 °C range to maintain performance reliability.
Selection Notes
Select this component when a single-junction silicon varactor with a 30 V reverse voltage rating is required. The SOT-23-3 package suits space-constrained surface-mount layouts. Consider the 2.7 pF capacitance and 3.7 minimum tuning ratio for matching specific RF frequency ranges and modulation requirements.
Part Context
This part belongs to Microchip Technology's variable capacitance diode portfolio, specifically designed for surface-mount applications. It utilizes silicon technology to provide tunable capacitance in electronic circuits. The non-hermetic plastic construction distinguishes it from hermetically sealed alternatives, offering a cost-effective solution for standard commercial and industrial environments.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative suppliers or equivalent components through independent technical cross-reference tools if direct substitution is necessary.
