Overview
The BB149A,135 is a variable capacitance diode, also known as a varactor diode, manufactured by NXP USA Inc. This component is fabricated using planar technology and is encapsulated in a very small SMD plastic package, specifically the SOD323 (SC-76) package. Although the BB149A is no longer in active production, it remains relevant for various legacy and specific application needs.
Key Specifications
| Category | Diodes - Variable Capacitance - Varicaps - Varactors |
|---|---|
| Manufacturer | NXP USA Inc. |
| Package / Case | SOD323 (SC-76) |
| 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 | Lead free / RoHS compliant |
| Diode Type | Single |
Key Features
- Fabricated in planar technology for reliable performance.
- Encapsulated in the SOD323 (SC-76) very small SMD plastic package, making it suitable for compact designs.
- High capacitance ratio of 10.9, which is beneficial for applications requiring significant capacitance variation.
- Operates over a wide temperature range from -55°C to 125°C, ensuring stability in various environmental conditions.
- Peak reverse voltage of 30V, providing robustness against voltage spikes.
- Lead-free and RoHS compliant, aligning with modern environmental and regulatory standards.
Applications
The BB149A,135 varactor diode is suitable for a variety of applications, including:
- RF and microwave circuits where variable capacitance is required.
- Tuning circuits in radio and communication systems.
- Voltage-controlled oscillators (VCOs) and phase-locked loops (PLLs).
- Frequency modulation and demodulation circuits.
- Other electronic circuits requiring voltage-dependent capacitance.
Q & A
- What is the BB149A,135?
The BB149A,135 is a variable capacitance diode (varactor diode) manufactured by NXP USA Inc.
- What package type does the BB149A,135 use?
The BB149A,135 is encapsulated in the SOD323 (SC-76) package.
- What is the capacitance ratio of the BB149A,135?
The capacitance ratio of the BB149A,135 is 10.9 (C1/C28).
- What is the peak reverse voltage of the BB149A,135?
The peak reverse voltage of the BB149A,135 is 30 V.
- What is the operating temperature range of the BB149A,135?
The operating temperature range is from -55°C to 125°C (TJ).
- Is the BB149A,135 RoHS compliant?
Yes, the BB149A,135 is lead-free and RoHS compliant.
- What are some common applications of the BB149A,135?
Common applications include RF and microwave circuits, tuning circuits, VCOs, PLLs, and frequency modulation/demodulation circuits.
- Why is the BB149A,135 no longer manufactured?
The BB149A,135 is no longer in active production, but it remains available for legacy and specific application needs.
- How is the BB149A,135 packaged for shipping?
The BB149A,135 is packaged in anti-static bags and shipped with ESD antistatic protection.
- What kind of warranty does the BB149A,135 come with?
Purchases of the BB149A,135 often come with a 90-day warranty against manufacturing defects and a 60-day money-back return policy.
