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Product Detailed Parameters
- Description：DIODE VARACTOR CAP SOT23-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Capacitance @ Vr, F：105pF @ 2V, 1MHz
- Capacitance Ratio：6.5
- Capacitance Ratio Condition：C2/C20
- Voltage - Peak Reverse (Max)：25 V
- Diode Type：Single
- Q @ Vr, F：100 @ 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 ZC836BTA is a silicon hyperabrupt varactor diode from the 830 series, designed for frequency control and filtering applications. It features closely controlled capacitance-voltage (CV) characteristics and high Q factors. The nominal capacitance is 100 pF with a tolerance range of 95.0 to 105.0 pF at 2V reverse bias. It exhibits a minimum Q of 100 at 50MHz and a capacitance ratio of 5.0 to 6.5. The device operates within a temperature range of -55°C to +150°C and utilizes SOT-23 or SOD-323 surface mount packages.
Feature Summary
- Hyperabrupt junction design providing steep CV slopes for wide tuning ratios
- Low reverse leakage current ensuring excellent phase noise performance
- High quality factor (Q) suitable for precision frequency control circuits
Applications
- Voltage Controlled Crystal Oscillators (VCXO)
- Temperature Compensated Crystal Oscillators (TCXO)
- Wireless communications systems
- Mobile radio equipment
Procurement Notes
Verify component authenticity through authorized channels due to potential unauthorized sales risks. Confirm package type availability as datasheet indicates multiple options. Check RoHS compliance status against specific manufacturing batches. Ensure handling precautions are followed to prevent electrostatic discharge damage during assembly.
Selection Notes
Select this component when high tuning ratios and low phase noise are required in compact designs. Compare capacitance values against circuit requirements to ensure proper voltage tuning range. Consider thermal dissipation limits if operating near maximum temperature ratings. Verify package compatibility with existing PCB footprint constraints.
Part Context
Part of the Zetex 830 series silicon hyperabrupt varactor diodes. Includes variants like ZC829, ZC830, and ZMV829. Designed for miniature surface mount implementations. Offers single or dual common cathode formats. Manufactured by Zetex Semiconductors plc.
Replacement Considerations
Check electrical parameters such as capacitance tolerance and Q factor against alternatives. Verify package dimensions for mechanical fit. Ensure reverse breakdown voltage meets circuit safety margins. Confirm operating temperature range compatibility.
