Overview
The BB181LX,315 is a VHF variable capacitance diode manufactured by NXP USA Inc. This component is fabricated using planar technology and is encapsulated in the ultra-small leadless plastic SMD package, specifically the SOD882T or SC-79/SOD-523 package. Although the BB181LX,315 is currently obsolete and no longer manufactured, it remains relevant for existing designs and maintenance of older systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Diode Type | Single | - |
| Voltage - Peak Reverse (Max) | 32 | V |
| Capacitance Ratio | 22 | - |
| Capacitance Ratio Condition | C1/C28 | - |
| Capacitance @ Vr, F | 2.89 pF @ 28V, 1MHz | - |
| Operating Temperature | -55°C ~ 125°C (TJ) | - |
| Package / Case | SC-79, SOD-523 | - |
| Mounting Type | Surface Mount | - |
| RoHS | Yes | - |
Key Features
- Variable Capacitance: The BB181LX,315 offers a variable capacitance feature, making it suitable for applications requiring tunable capacitance.
- Compact Packaging: Encapsulated in the ultra-small SOD882T or SC-79/SOD-523 package, this diode is ideal for space-constrained designs.
- High Capacitance Ratio: With a capacitance ratio of 22, this diode provides a significant range of capacitance values.
- Broad Operating Temperature Range: The diode operates over a wide temperature range from -55°C to 125°C, ensuring reliability in various environmental conditions.
Applications
The BB181LX,315 VHF variable capacitance diode is primarily used in applications requiring tunable capacitance, such as:
- VHF (Very High Frequency) circuits
- Tuning circuits in radio and communication systems
- Automatic Frequency Control (AFC) circuits
- Phase-locked loops (PLLs)
Q & A
- What is the BB181LX,315?
The BB181LX,315 is a VHF variable capacitance diode manufactured by NXP USA Inc.
- What package type does the BB181LX,315 use?
The BB181LX,315 is encapsulated in the SOD882T or SC-79/SOD-523 package.
- What is the peak reverse voltage of the BB181LX,315?
The peak reverse voltage of the BB181LX,315 is 32V.
- What is the capacitance ratio of the BB181LX,315?
The capacitance ratio of the BB181LX,315 is 22.
- What is the operating temperature range of the BB181LX,315?
The operating temperature range is from -55°C to 125°C (TJ).
- Is the BB181LX,315 RoHS compliant?
Yes, the BB181LX,315 is RoHS compliant.
- What are the typical applications of the BB181LX,315?
Typical applications include VHF circuits, tuning circuits in radio and communication systems, AFC circuits, and PLLs.
- Is the BB181LX,315 still in production?
No, the BB181LX,315 is obsolete and no longer manufactured.
- What are some possible substitutes for the BB181LX,315?
Similar components like the BB181,115 can be considered as substitutes.
- Where can I find more detailed specifications for the BB181LX,315?
Detailed specifications can be found in the datasheet available on NXP's website, Mouser Electronics, and other electronic component distributors.
