SMVA1248-079LF Discrete Semiconductor Products |
|
Allicdata Part #: | 863-1749-2-ND |
Manufacturer Part#: |
SMVA1248-079LF |
Price: | $ 0.34 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Skyworks Solutions Inc. |
Short Description: | DIODE VARACTOR |
More Detail: | Varactor Single 15V Surface Mount SC-79 |
DataSheet: | SMVA1248-079LF Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
3000 +: | $ 0.30667 |
6000 +: | $ 0.29134 |
15000 +: | $ 0.28039 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Capacitance @ Vr, F: | 1.7pF @ 4.7V, 50MHz |
Capacitance Ratio: | 12 |
Capacitance Ratio Condition: | C0.3/C4.7 |
Voltage - Peak Reverse (Max): | 15V |
Diode Type: | Single |
Q @ Vr, F: | 700 @ 3V, 50MHz |
Operating Temperature: | -55°C ~ 125°C (TJ) |
Mounting Type: | Surface Mount |
Package / Case: | SC-79, SOD-523 |
Supplier Device Package: | SC-79 |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
Variable Capacitance (Varicaps, Varactors) - Introduction of SMVA1248-079LF Application Field and Working Principle
Variable capacitance (varicaps, varactors) are electronic components that act like a capacitor, but can be adjusted to provide a variable capacitance over a specific range. Generally, they are used to change the frequency of radios or other electronic equipment, or to track another component in a damped feedback loop. Variable capacitance (varicaps, varactors) are most commonly used in radio frequency (RF) applications, such as in oscillators, RF filters, and voltage-controlled oscillators (VCOs).
The SMVA1248-079LF is a variable capacitance diode device designed for RF applications, with a wide operating range (0.2 to 10 GHz). This device can provide up to 20 dB of capacitance variation with a low voltage (1.8 to 6V). This device is highly suitable for MHz-GHz frequency applications, requiring low bias voltage. It also has stable performance over temperature, allowing it to be used in harsh environment conditions.
Working Principle
The SMVA1248-079LF is a varicap diode, which is a type of diode that can change its capacitance in response to an applied voltage. This is achieved by influencing the height and width of the space-charge layer inside the diode. When a reverse-bias voltage is applied, the width of the space-charge layer decreases, and the capacitance of the diode increases. When a forward-bias voltage is applied, the width of the space-charge layer increases, and the capacitance of the diode decreases.
The capacitance of this device is modulated by a small reverse bias voltage, typically 1.8 to 6V. The capacitance is also modulated by a small forward bias voltage, typically 0.9 to 10V. The capacitance variation range is typically 20dB with a low operating voltage and largebandwidth. Furthermore, this device is highly stable over temperature, making it suitable for harsh environment applications, such as automotive and industrial applications.
Applications
The SMVA1248-079LF is a highly suitable device for MHz-GHz frequency applications, requiring low bias voltage. It is widely used in radio frequency (RF) applications, such as in oscillators, RF filters, and voltage-controlled oscillators (VCOs). It is also used in communication systems, such as radio and cellular phone systems. Other applications for this device include voltage-controlled capacitors, frequency multipliers, mixers, and impedance matching circuits. It is also used in automotive, industrial and medical electronics and applications where a small capacitance variation is needed.
In conclusion, the SMVA1248-079LF is an ideal device for MHz-GHz frequency applications, requiring low bias voltage. It is widely used in RF applications, such as in oscillators, RF filters and voltage-controlled oscillators (VCOs). It is also used in a variety of other applications, such as automotive, industrial and medical electronics and in applications where a small capacitance variation is needed.
The specific data is subject to PDF, and the above content is for reference
Part Number | Manufacturer | Price | Quantity | Description |
---|
SMVA1470-004LF | Skyworks Sol... | 0.33 $ | 3000 | DIODE VARACTORVaractor 1 ... |
SMVA1248-079LF | Skyworks Sol... | 0.34 $ | 1000 | DIODE VARACTORVaractor Si... |
SMVA1253-079LF | Skyworks Sol... | 0.34 $ | 1000 | DIODE VARACTORVaractor Si... |
SMVA1705-004LF | Skyworks Sol... | 0.46 $ | 1000 | DIODE VARACTORVaractor 1 ... |
SMVA001 | NKK Switches | 3.7 $ | 100 | SM0320102 W/ "ON OFF" PAD... |
DIODE TUNING 10V 20MA SC79Varactor Singl...
DIODE VHF VAR CAP 32V SOD2Varactor Singl...
DIODE VHF VAR CAP 32V SOD2Varactor Singl...
DIODE VHF VAR CAP 30V SOD882Varactor Sin...
DIODE VHF VAR CAP 32V SOD882Varactor Sin...
DIODE UHF VAR CAP 30V SOD323Varactor Sin...