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Product Detailed Parameters
- Description：DIODE VARIABLE CAP SOT23-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Capacitance @ Vr, F：51.7pF @ 2V, 1MHz
- Capacitance Ratio：6.5
- Capacitance Ratio Condition：C2/C20
- Voltage - Peak Reverse (Max)：25 V
- Diode Type：Single
- Q @ Vr, F：200 @ 3V, 50MHz
- Operating Temperature：-55°C ~ 150°C (TJ)
- 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 ZC834ATC is a single varactor diode manufactured by Diodes Incorporated, designed for surface-mount applications in the SOT-23-3 package. It features a maximum peak reverse voltage of 25 V and operates within a junction temperature range of -55°C to 150°C. Key electrical specifications include a capacitance of 51.7 pF at 2 V and 1 MHz, with a Q value of 200 at 3 V and 50 MHz. The device offers a capacitance ratio of 6.5 under C2/C20 conditions. This component belongs to the 830 Series and is classified as obsolete status.
Feature Summary
- Single-channel varactor design optimized for RF tuning circuits
- Hermetically sealed construction for enhanced reliability
- Surface-mount compatibility via compact SOT-23-3 packaging
Applications
- RF oscillator frequency tuning
- Voltage-controlled oscillator (VCO) circuits
- Phase-locked loop (PLL) filter networks
Procurement Notes
This component is officially listed as obsolete by the manufacturer. Verification of availability requires checking distributor end-of-life notices or last-time-buy notifications. Designers should confirm if alternative sources exist before finalizing procurement plans.
Selection Notes
Select this part only if legacy compatibility is required due to its obsolete status. Verify that the 25 V reverse voltage and 51.7 pF baseline capacitance meet circuit requirements. Consider redesigning with current-generation equivalents to ensure long-term supply chain stability.
Part Context
The ZC834ATC is part of the 830 Series varactor family from Diodes Incorporated. It shares functional characteristics with other series members but differs in specific packaging suffixes. The 'ATC' suffix typically denotes a specific tape-and-reel configuration or quality grade within the broader ZC834A product line.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Engineers must consult official replacement guides or contact the manufacturer directly for qualified alternatives.
