Overview
The BB179B,115 is a variable capacitance diode, also known as a varactor diode, produced by NXP USA Inc. This component is designed using planar technology and is packaged in an ultra-small SOD523 (SC-79) surface mount package. It is notable for its excellent matching performance, making it suitable for various high-frequency applications. Although the part is currently listed as obsolete, it remains relevant in certain legacy systems and specific applications where its unique characteristics are required.
Key Specifications
| Category | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Package / Case | SC-79, SOD-523 |
| Mounting Type | Surface Mount |
| Diode Type | Single |
| Part Status | Obsolete |
| Operating Temperature | -55°C ~ 125°C (TJ) |
| Capacitance @ Vr, F | 2.225pF @ 28V, 1MHz |
| Capacitance Ratio | 10.9 (C1/C28) |
| Voltage - Peak Reverse (Max) | 30 V |
| Frequency Band | Ultra High Frequency |
| Diode Capacitance-Nom | 19.74pF |
| RoHS Status | ROHS3 Compliant |
| Terminal Finish | Tin (Sn) |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- Planar Technology: The BB179B,115 uses planar technology, which enhances its performance and reliability.
- Ultra-Small Package: Packaged in the SOD523 (SC-79) package, making it ideal for space-constrained designs.
- High Capacitance Ratio: Offers a capacitance ratio of 10.9, which is beneficial for applications requiring significant capacitance variation.
- Wide Operating Temperature Range: Operates over a temperature range of -55°C to 125°C, making it suitable for a variety of environmental conditions.
- High Frequency Operation: Designed for ultra-high frequency applications, making it a good choice for RF and microwave circuits.
- Matching Performance: Available in 2% matched sets of 10 diodes, which is advantageous for applications requiring precise capacitance matching.
Applications
- Mobile Radio: Used in mobile radio systems for tuning and frequency control.
- Voltage Controlled Crystal Oscillators: Employed in voltage-controlled crystal oscillators for stable frequency generation.
- Voltage Controlled Tuning Circuits: Utilized in various voltage-controlled tuning circuits where precise capacitance control is necessary.
- RF and Microwave Circuits: Suitable for use in RF and microwave circuits due to its high-frequency capabilities.
Q & A
- What is the package type of the BB179B,115?
The BB179B,115 is packaged in an ultra-small SOD523 (SC-79) surface mount package. - What is the operating temperature range of the BB179B,115?
The operating temperature range is -55°C to 125°C (TJ). - What is the capacitance ratio of the BB179B,115?
The capacitance ratio is 10.9 (C1/C28). - What is the peak reverse voltage of the BB179B,115?
The peak reverse voltage is 30 V. - Is the BB179B,115 RoHS compliant?
Yes, the BB179B,115 is ROHS3 compliant. - What are the typical applications of the BB179B,115?
Typical applications include mobile radio, voltage-controlled crystal oscillators, and RF and microwave circuits. - Why is the BB179B,115 useful for high-frequency applications?
It is useful due to its ultra-high frequency operation capabilities and high capacitance ratio. - Is the BB179B,115 available in matched sets?
Yes, it is available in 2% matched sets of 10 diodes. - What is the current status of the BB179B,115?
The part is currently listed as obsolete. - What is the terminal finish of the BB179B,115?
The terminal finish is Tin (Sn).
