Overview
The BB178,335 is a variable capacitance diode, also known as a varactor diode, manufactured by NXP USA Inc. This component is designed for high-frequency applications, particularly in the very high frequency (VHF) to ultra-high frequency (UHF) range. It is widely used in tuning circuits, voltage-controlled oscillators, and other applications where variable capacitance is required.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | BB178,335 |
| Manufacturer | NXP USA Inc. |
| Package Type | SOD-523 |
| Maximum Reverse Voltage (Vrrm) | 32 V |
| Maximum Forward Current (If) | 20 mA |
| Capacitance at Zero Bias (Ct) | Approx. 38.5 pF |
| Operating Temperature | -40°C to 125°C |
| RoHS Compliance | Yes |
| Number of Pins | 2 |
Key Features
- High-frequency operation suitable for VHF to UHF applications.
- Variable capacitance controlled by reverse voltage.
- Low forward current of 20 mA.
- Compact SOD-523 package for surface mount applications.
- RoHS compliant, ensuring environmental sustainability.
- Wide operating temperature range from -40°C to 125°C.
Applications
- Tuning circuits in radio and television receivers.
- Voltage-controlled oscillators (VCOs) in communication systems.
- Frequency modulation and demodulation circuits.
- Automatic frequency control (AFC) circuits.
- Other high-frequency electronic circuits requiring variable capacitance.
Q & A
- What is the maximum reverse voltage of the BB178,335 varactor diode?
The maximum reverse voltage (Vrrm) is 32 V. - What is the typical capacitance at zero bias for the BB178,335?
The capacitance at zero bias (Ct) is approximately 38.5 pF. - What is the operating temperature range of the BB178,335?
The operating temperature range is from -40°C to 125°C. - Is the BB178,335 RoHS compliant?
Yes, the BB178,335 is RoHS compliant. - What is the package type of the BB178,335?
The package type is SOD-523. - What are the typical applications of the BB178,335 varactor diode?
Typical applications include tuning circuits, VCOs, frequency modulation and demodulation circuits, and AFC circuits. - What is the maximum forward current of the BB178,335?
The maximum forward current (If) is 20 mA. - How many pins does the BB178,335 have?
The BB178,335 has 2 pins. - Where can I find detailed specifications for the BB178,335?
Detailed specifications can be found in the datasheet available from NXP USA Inc. or authorized distributors. - Is the BB178,335 suitable for high-frequency applications?
Yes, it is designed for very high frequency (VHF) to ultra-high frequency (UHF) applications.
