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Product Detailed Parameters
- Description：DIODE VHF VAR CAP 32V SOD523
- Series：-
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR)
- Capacitance @ Vr, F：2.754pF @ 28V, 1MHz
- Capacitance Ratio：15
- Capacitance Ratio Condition：C1/C28
- Voltage - Peak Reverse (Max)：32 V
- Diode Type：Single
- Q @ Vr, F：-
- Operating Temperature：-55°C ~ 125°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-79, SOD-523
- Supplier Device Package：SOD-523
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Overview
The BB178,335 is a varactor diode manufactured by NXP Semiconductors. It is designed for RF tuning applications and utilizes an SMD/SMT installation style within the SC-79-2 package (also known as SOD-323). The device operates with a reverse voltage of 32 V and exhibits a capacitance of 34.65 pF. It supports a minimum tuning ratio of 13.5 under test conditions of 1 V / 28 V. The component functions as a single configuration unit and operates reliably within a temperature range from -55 °C to +125 °C.
Feature Summary
- Provides variable capacitance characteristics suitable for RF circuit tuning
- Engineered for surface-mount integration in compact electronic designs
- Capable of operation across extended industrial temperature ranges
Applications
- RF oscillator tuning circuits
- Voltage-controlled filter implementations
- Frequency modulation modules
Procurement Notes
Verify the specific suffix against official documentation to confirm packaging details. Confirm availability status as distribution channels may vary. Ensure compliance with RoHS directives prior to integration. Validate that the SC-79-2 package matches the target PCB footprint requirements. Check for obsolescence notices directly from the manufacturer.
Selection Notes
Select this component when a single varactor diode with a 32 V reverse voltage rating is required. Ensure the design accommodates the specified 34.65 pF capacitance value. Verify that the operating environment stays within the -55 °C to +125 °C range. Confirm that the SC-79-2 package dimensions fit the assembly constraints.
Part Context
This part belongs to the varactor diode category within NXP's discrete semiconductor portfolio. It serves as a passive component for frequency control in radio frequency systems. The product line focuses on providing reliable tuning elements for communication hardware.
Replacement Considerations
Consult official substitution lists for verified equivalents. Generic replacements may not match the specific tuning ratio or capacitance tolerance. Verify pinout compatibility before attempting any cross-reference.
