Overview
The BB187,335 is a variable capacitance diode, also known as a varactor diode, manufactured by NXP USA Inc. This component is designed using planar technology and is packaged in an ultra-small SOD523 (SC-79) plastic SMD package. The BB187,335 is notable for its excellent matching performance, making it suitable for applications requiring precise capacitance control.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Capacitance @ Vr, F | 2.92 pF | @ 25V, 1MHz |
| Capacitance Ratio | 11.0 | C2/C25 |
| Voltage - Peak Reverse (Max) | 32 V | |
| Package | SOD523 (SC-79) | |
| Reverse Current (Max) | 0.01 μA |
Key Features
- Planar technology for stable and reliable performance.
- Ultra-small SOD523 (SC-79) package, ideal for space-constrained designs.
- Excellent matching performance, suitable for applications requiring precise capacitance control.
- High capacitance ratio of 11.0 (C2/C25).
- Maximum peak reverse voltage of 32 V.
Applications
The BB187,335 varactor diode is commonly used in various electronic circuits where variable capacitance is required. These applications include:
- Voltage-controlled oscillators (VCOs) and phase-locked loops (PLLs).
- Tuning circuits in radio frequency (RF) and very high frequency (VHF) applications.
- Signal modulation and demodulation circuits.
- Automatic frequency control (AFC) systems.
Q & A
- What is the BB187,335 used for?
The BB187,335 is a varactor diode used in applications requiring variable capacitance, such as voltage-controlled oscillators, tuning circuits, and signal modulation. - What is the package type of the BB187,335?
The BB187,335 is packaged in an ultra-small SOD523 (SC-79) plastic SMD package. - What is the maximum peak reverse voltage of the BB187,335?
The maximum peak reverse voltage is 32 V. - What is the capacitance ratio of the BB187,335?
The capacitance ratio is 11.0 (C2/C25). - What is the typical capacitance value at 25V and 1MHz?
The typical capacitance value is 2.92 pF at 25V and 1MHz. - Is the BB187,335 suitable for high-frequency applications?
Yes, it is suitable for high-frequency applications, including RF and VHF circuits. - What is the reverse current limit of the BB187,335?
The maximum reverse current is 0.01 μA. - Is the BB187,335 still in production?
No, the BB187,335 is listed as obsolete. - Where can I find detailed specifications for the BB187,335?
Detailed specifications can be found in the datasheet available from NXP USA Inc. or distributors like DigiKey. - What are some common applications of varactor diodes like the BB187,335?
Common applications include VCOs, PLLs, tuning circuits, and signal modulation and demodulation circuits.
