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Product Detailed Parameters
- Description：DIODE VARIABLE CAP SOT23-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Capacitance @ Vr, F：15.75pF @ 2V, 1MHz
- Capacitance Ratio：6
- Capacitance Ratio Condition：C2/C20
- Voltage - Peak Reverse (Max)：25 V
- Diode Type：Single
- Q @ Vr, F：300 @ 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 ZC831BNTA is a single-channel 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 15.75 pF at 2 V and 1 MHz, with a Q factor of 300 at 3 V and 50 MHz. The device offers a capacitance ratio of 6.0 under C2/C20 conditions. This component belongs to the 830 Series and complies with RoHS3 standards.
Feature Summary
- Single-channel varactor configuration optimized for RF tuning circuits
- Surface-mount construction utilizing the compact SOT-23-3 package
- High-Q performance suitable for frequency modulation and oscillator applications
Applications
- Voltage-controlled oscillators (VCOs)
- Frequency modulation circuits
- RF tuning networks
Procurement Notes
Verify current availability status as the base model ZC831BTC is listed as obsolete. Confirm that the specific suffix 'NTA' corresponds to valid manufacturing data and packaging requirements. Ensure compliance with RoHS3 directives and check for any product change notices affecting this specific variant before procurement.
Selection Notes
Select this component based on its 25 V reverse voltage rating and 15.75 pF baseline capacitance. Consider the 6.0 capacitance ratio for required tuning range. Verify thermal management capabilities given the -55°C to 150°C operating range. Ensure the SOT-23-3 footprint matches the PCB layout constraints.
Part Context
The ZC831BNTA is part of the 830 Series from Diodes Incorporated. It shares core characteristics with the ZC831BTC, including the same semiconductor structure and electrical limits. The primary distinction lies in the ordering suffix, which typically denotes specific packaging or tape-and-reel configurations rather than functional differences.
Replacement Considerations
Direct substitutes may include other single-channel varactors with similar 25 V ratings and SOT-23-3 packages. Verify capacitance values and Q factors to ensure circuit compatibility. Check for equivalent thermal and voltage specifications.
