Overview
The BB131,115 is a variable capacitance diode produced by NXP Semiconductors. It is fabricated in planar technology and encapsulated in a very small plastic SMD package, specifically the SOD323 (SC-76). This diode is designed for applications requiring high linearity and compact size, making it suitable for various RF and microwave circuits.
Key Specifications
| Parameter | Min. | Max. | Unit | Conditions |
|---|---|---|---|---|
| Continuous Reverse Voltage (VR) | - | 30 | V | - |
| Continuous Forward Current (IF) | - | 20 | mA | - |
| Storage Temperature (Tstg) | -55 | +150 | °C | - |
| Operating Junction Temperature (Tj) | -55 | +125 | °C | - |
| Reverse Current (IR) | - | 10 | nA | VR = 30 V, Tj = 25 °C |
| Reverse Current (IR) | - | 200 | nA | VR = 30 V, Tj = 85 °C |
| Diode Series Resistance (rs) | - | 3 | Ω | f = 470 MHz |
| Diode Capacitance (Cd) at VR = 0.5 V | 8 | 17 | pF | f = 1 MHz |
| Diode Capacitance (Cd) at VR = 28 V | 0.7 | 1.055 | pF | f = 1 MHz |
| Capacitance Ratio | 12 | 16 | - | Cd(0.5V) / Cd(28V), f = 1 MHz |
Key Features
- Excellent linearity, making it suitable for high-performance RF applications.
- Very small plastic SMD package (SOD323 / SC-76), ideal for compact designs.
- High capacitance ratio (12 to 16) at 1 MHz, providing a wide range of capacitance values.
- Low diode series resistance (rs = 3 Ω at 470 MHz), enhancing high-frequency performance.
Applications
- Electronic tuning in satellite tuners and other communication systems.
- Tunable coupling and matching circuits.
- Voltage-Controlled Oscillators (VCOs) and other frequency control applications.
Q & A
- What is the BB131,115 used for?
The BB131,115 is used in applications requiring variable capacitance, such as electronic tuning in satellite tuners, tunable coupling, and Voltage-Controlled Oscillators (VCOs).
- What is the package type of the BB131,115?
The BB131,115 is encapsulated in a very small plastic SMD package, specifically the SOD323 (SC-76).
- What are the key features of the BB131,115?
The key features include excellent linearity, a very small SMD package, and a high capacitance ratio.
- What is the maximum continuous reverse voltage for the BB131,115?
The maximum continuous reverse voltage is 30 V.
- What is the operating junction temperature range for the BB131,115?
The operating junction temperature range is from -55 °C to +125 °C.
- What is the typical diode capacitance at 0.5 V and 1 MHz?
The typical diode capacitance at 0.5 V and 1 MHz is between 8 pF and 17 pF.
- What is the capacitance ratio of the BB131,115?
The capacitance ratio is between 12 and 16, calculated as Cd(0.5V) / Cd(28V) at 1 MHz.
- Is the BB131,115 still in production?
No, the BB131,115 is no longer manufactured and will no longer be stocked once current stock is depleted.
- Where can I find detailed specifications for the BB131,115?
Detailed specifications can be found in the datasheet available on NXP Semiconductors' website and through distributors like DigiKey.
- What are some common applications of the BB131,115 in RF circuits?
Common applications include electronic tuning, tunable coupling, and VCOs in RF and microwave circuits.
