Overview
The BB135, produced by NXP USA Inc., is a variable capacitance diode, also known as a varactor diode. It is fabricated using planar technology and encapsulated in a very small plastic SMD package, specifically the SOD323 package. This component is designed for applications requiring tunable capacitance, particularly in the UHF frequency range.
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 / 200 nA | nA | VR = 30 V, Tj = 25°C / 85°C |
| Diode Series Resistance (rs) | - | 0.75 Ω | Ω | f = 470 MHz |
| Diode Capacitance (Cd) | 17.5 / 1.7 | 21 / 2.1 | pF | VR = 0.5 V / 28 V, f = 1 MHz |
| Capacitance Ratio | 8.9 | 12 | - | f = 1 MHz |
Key Features
- Excellent linearity, making it suitable for precise tuning applications.
- Very small plastic SMD package (SOD323), ideal for space-constrained designs.
- Low series resistance, enhancing the component's efficiency.
- High capacitance ratio, allowing for a wide range of capacitance values.
Applications
- Electronic tuning in UHF television tuners.
- Radio upconversion concepts.
- Voltage-Controlled Oscillators (VCOs).
Q & A
- What is the BB135 used for? The BB135 is used for electronic tuning in UHF television tuners, radio upconversion concepts, and in Voltage-Controlled Oscillators (VCOs).
- What package type does the BB135 come in? The BB135 is encapsulated in the SOD323 very small plastic SMD package.
- What are the key features of the BB135? The BB135 features excellent linearity, a very small package, low series resistance, and a high capacitance ratio.
- What is the maximum continuous reverse voltage for the BB135? The maximum continuous reverse voltage is 30 V.
- What is the maximum continuous forward current for the BB135? The maximum continuous forward current is 20 mA.
- What is the operating junction temperature range for the BB135? The operating junction temperature range is from -55°C to +125°C.
- What is the capacitance range of the BB135? The capacitance range is from 17.5 pF to 21 pF at 0.5 V and from 1.7 pF to 2.1 pF at 28 V.
- What is the series resistance of the BB135? The series resistance is approximately 0.75 Ω at 470 MHz.
- Is the BB135 suitable for high-frequency applications? Yes, the BB135 is suitable for high-frequency applications, particularly in the UHF range.
- Where can I find detailed specifications for the BB135? Detailed specifications can be found in the product datasheet available on the NXP Semiconductors website.
