Overview
The BB179,315 is a varactor diode produced by NXP USA Inc., designed for use in UHF applications. This component is part of NXP's range of variable capacitance diodes, which are essential in tuning and voltage-controlled oscillator circuits. Although the BB179,315 is currently listed as obsolete and no longer manufactured, it remains relevant for existing designs and maintenance of older systems.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | BB179,315 |
| Manufacturer | NXP USA Inc. |
| Package / Case | SOD-523, SC-79 |
| Diode Type | Single |
| Mounting Type | Surface Mount |
| Capacitance @ Vr, F | 2.225 pF @ 28V, 1MHz |
| Capacitance Ratio | 10.9 (C1/C28) |
| Voltage - Peak Reverse (Max) | 30 V |
| Operating Temperature | -55°C ~ 125°C (TJ) |
| RoHS Status | RoHS Compliant |
Key Features
- Variable Capacitance: The BB179,315 offers a variable capacitance range, making it suitable for tuning and voltage-controlled oscillator applications.
- UHF Application: Designed for use in UHF frequency ranges, this diode is ideal for high-frequency circuits.
- Surface Mount Package: Available in SOD-523 and SC-79 packages, facilitating easy integration into surface mount designs.
- Wide Operating Temperature Range: Operates over a temperature range of -55°C to 125°C, ensuring reliability in various environmental conditions.
- RoHS Compliant: Lead-free and RoHS compliant, aligning with modern environmental and regulatory standards.
Applications
The BB179,315 varactor diode is primarily used in UHF applications, including:
- Tuning Circuits: In radio frequency (RF) tuning circuits where variable capacitance is required.
- Voltage-Controlled Oscillators (VCOs): In VCO circuits where the frequency needs to be controlled by an external voltage.
- RF Filters and Matching Networks: In RF filter and matching network designs where adjustable capacitance is necessary.
Q & A
- What is the part number of this varactor diode?
The part number is BB179,315.
- Who is the manufacturer of the BB179,315?
The manufacturer is NXP USA Inc.
- What package types are available for the BB179,315?
The BB179,315 is available in SOD-523 and SC-79 packages.
- What is the maximum peak reverse voltage for the BB179,315?
The maximum peak reverse voltage is 30 V.
- What is the capacitance at 28V and 1MHz for the BB179,315?
The capacitance at 28V and 1MHz is 2.225 pF.
- Is the BB179,315 RoHS compliant?
Yes, the BB179,315 is RoHS compliant.
- What is the operating temperature range for the BB179,315?
The operating temperature range is -55°C to 125°C (TJ).
- Is the BB179,315 still in production?
No, the BB179,315 is currently listed as obsolete and no longer manufactured.
- What are some common applications for the BB179,315?
Common applications include tuning circuits, voltage-controlled oscillators (VCOs), and RF filters and matching networks.
- What is the capacitance ratio for the BB179,315?
The capacitance ratio is 10.9 (C1/C28).
