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Product Detailed Parameters
- Description：DIODE VARIABLE CAP SOT23-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Capacitance @ Vr, F：36.3pF @ 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 ZC833ATC is a silicon hyperabrupt varactor diode manufactured by Diodes Incorporated, housed in an SOT-23-3 surface-mount package. It features a peak reverse voltage of 25V and a nominal capacitance of 36.3pF at 2V reverse bias measured at 1MHz. The device exhibits a minimum breakdown voltage of 25V and offers a capacitance ratio of 6.5 under conditions of C2/C20.
Feature Summary
- Utilizes hyperabrupt junction technology for enhanced tuning linearity
- Designed for surface-mount integration via compact SOT-23-3 packaging
- Provides high capacitance variation ratios for efficient frequency control
Applications
- Voltage-controlled oscillator (VCO) circuits
- Frequency synthesizer phase-locked loops
- RF tuning and filtering applications
Procurement Notes
Verify component authenticity through authorized distribution channels due to the obsolete status of this specific part number. Confirm that the SOT-23-3 footprint matches the target PCB design requirements. Ensure that the 25V reverse voltage rating remains sufficient for the intended circuit operating conditions before finalizing procurement plans.
Selection Notes
Select this component when hyperabrupt characteristics are required for wideband tuning applications. The SOT-23-3 form factor supports automated assembly processes. Evaluate the 36.3pF baseline capacitance against system impedance matching needs. Consider the 6.5 capacitance ratio capability for achieving desired frequency deviation ranges within the design constraints.
Part Context
This varactor diode belongs to the discrete semiconductor product category, specifically within the variable capacitance or varicap segment. It serves as a passive electronic component used primarily in radio frequency and microwave signal processing systems where voltage-dependent capacitance is essential for dynamic circuit adjustment.
Replacement Considerations
Public documentation confirms the ZC833ATC is obsolete. No direct substitute part numbers are verified in the provided source material. Engineers must consult official manufacturer resources for current alternative recommendations.
