Overview
The BB149A,115 is a variable capacitance diode, commonly known as a varactor or varicap 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 package.
Designed for applications requiring tunable capacitance, the BB149A,115 is suitable for various electronic circuits, particularly in the realm of radio frequency (RF) and microwave engineering.
Key Specifications
| Category | Diodes - Variable Capacitance - Varicaps - Varactors |
|---|---|
| Manufacturer | NXP USA Inc. |
| Package / Case | SOD-323 |
| Mounting Type | Surface Mount |
| Diode Type | Single |
| 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 |
Key Features
- Variable Capacitance: The BB149A,115 offers tunable capacitance, making it ideal for applications requiring adjustable capacitance.
- Small Package Size: Encapsulated in the SOD323 package, this diode is suitable for compact and space-efficient designs.
- Broad Operating Temperature Range: Operates from -55°C to 125°C, ensuring reliability in a wide range of environmental conditions.
- High Capacitance Ratio: With a capacitance ratio of 10.9, it provides significant capacitance variation with voltage changes.
- RoHS Compliance: Lead-free and RoHS compliant, making it suitable for modern electronic designs that adhere to environmental regulations.
Applications
- Radio Frequency (RF) Circuits: Used in RF tuning circuits, such as in radios, transceivers, and other communication devices.
- Microwave Engineering: Suitable for microwave circuits where adjustable capacitance is required.
- Tuning Circuits: Ideal for use in voltage-controlled oscillators (VCOs), filters, and other tunable circuits.
- Automotive and Industrial Electronics: Used in various automotive and industrial applications where adjustable capacitance is necessary.
Q & A
- What is the BB149A,115?
The BB149A,115 is a variable capacitance diode, also known as a varactor or varicap diode, manufactured by NXP USA Inc.
- What package type does the BB149A,115 use?
The BB149A,115 is encapsulated in the SOD323 package.
- What is the operating temperature range of the BB149A,115?
The operating temperature range is from -55°C to 125°C (TJ).
- What is the peak reverse voltage of the BB149A,115?
The peak reverse voltage is 30 V.
- Is the BB149A,115 RoHS compliant?
Yes, the BB149A,115 is lead-free and RoHS compliant.
- What is the capacitance ratio of the BB149A,115?
The capacitance ratio is 10.9 (C1/C28).
- What are common applications of the BB149A,115?
Common applications include RF circuits, microwave engineering, tuning circuits, and various automotive and industrial electronics.
- Is the BB149A,115 suitable for surface mount assembly?
Yes, the BB149A,115 is designed for surface mount assembly.
- What is the capacitance at 28V and 1MHz for the BB149A,115?
The capacitance at 28V and 1MHz is 2.225 pF.
- Is the BB149A,115 still in production?
No, the BB149A,115 is no longer manufactured.
