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Product Detailed Parameters
- Description：VARIABLE CAPACITANCE DIODE, 16PF
- Series：-
- Mfr：NXP USA Inc.
- Package：Bulk
- Capacitance @ Vr, F：5.4pF @ 7.5V, 1MHz
- Capacitance Ratio：3.9
- Capacitance Ratio Condition：C1/C7.5
- Voltage - Peak Reverse (Max)：10 V
- Diode Type：Single
- Q @ Vr, F：-
- Operating Temperature：-55°C ~ 125°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-76, SOD-323
- Supplier Device Package：SOD-323
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Overview
The BB156 is a low-voltage variable capacitance diode utilizing planar technology, housed in the SOD323 plastic surface-mounted device package. It features excellent linearity and very small physical dimensions. Key electrical characteristics include a capacitance of 4.8 pF at 0 V reverse bias (C7.5) with a ratio of 3.3, and very low series resistance. The component is marked with code PF, where the marking bar indicates the cathode. Pin configuration assigns pin 1 to the cathode and pin 2 to the anode.
Feature Summary
- Excellent linearity for signal integrity
- Very small plastic SMD package for space-constrained designs
- Very low series resistance
Applications
- Voltage controlled oscillators (VCO)
Procurement Notes
Verify the specific datasheet revision when sourcing, as historical documents from 1998 and 2004 exist. Confirm the SOD323 package type and PF marking code match requirements. Ensure compatibility with low-voltage operation parameters defined in the official NXP specification before integration into production supply chains.
Selection Notes
Select this component for applications requiring precise voltage-controlled capacitance in compact form factors. The low series resistance and high linearity make it suitable for RF tuning circuits. Verify that the operating voltage range aligns with the low-voltage specifications provided in the official product data sheet.
Part Context
The BB156 belongs to NXP Semiconductors' portfolio of passive semiconductor components designed for RF and microwave applications. It serves as a varactor diode solution within the EdgeVerse ecosystem context, supporting connectivity and control functions in modern electronic systems through its tunable capacitance properties.
Replacement Considerations
Consult official NXP documentation for direct cross-references. Alternative varactor diodes in SOD323 packages may be considered if they meet the 4.8 pF C7.5 and ratio 3.3 specifications. Verify pinout compatibility and thermal performance before substitution.
