SMV1255-079LF Allicdata Electronics

SMV1255-079LF Discrete Semiconductor Products

Allicdata Part #:

863-1138-2-ND

Manufacturer Part#:

SMV1255-079LF

Price: $ 0.00
Product Category:

Discrete Semiconductor Products

Manufacturer: Skyworks Solutions Inc.
Short Description: DIODE VARACTOR 15V 20MA SC-79
More Detail: Varactor Single 15V Surface Mount SC-79
DataSheet: SMV1255-079LF datasheetSMV1255-079LF Datasheet/PDF
Quantity: 87000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Stock 87000Can Ship Immediately
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Capacitance @ Vr, F: 5.8pF @ 4.7V, 50MHz
Capacitance Ratio: 12.3
Capacitance Ratio Condition: C0.3/C4.7
Voltage - Peak Reverse (Max): 15V
Diode Type: Single
Q @ Vr, F: 350 @ 3V, 50MHz
Operating Temperature: -55°C ~ 125°C (TJ)
Mounting Type: Surface Mount
Package / Case: SC-79, SOD-523
Supplier Device Package: SC-79
Description

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

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Varicaps, or variable capacitance (varactors), such as the SMV1255-079LF, are devices typically used in electronic oscillators. Varicaps can be used for a wide range of applications, including frequency-dependent networks, pulse-width modulation, and tuning circuits.

Essentially, a varicap is a diode with a variable capacitance, which changes with applied voltage. The capacitance of these devices is nonlinear; as the voltage applied to it increases, the capacitance increases exponentially.

The working principle of a varicap is based on the reverse recovery of a diode, which refers to the time period in which a diode reverts back to its reverse voltage blocking mode after conducting current. As current runs in the opposite direction of conventional behavior, this is referred to as an “inverted” diode. The charge stored on the diode during this phase is related to the voltage, so as the diode reverts back to its blocking phase, the charge is released and the capacitance of the diode is proportional to the amount of charge being released.

The SMV1255-079LF, like other varicaps, is an N-channel MOS diode, so its capacitance is controlled by a MOS gate voltage. The capacitance of the SMV1255-079LF device is typically between 0.06 to 0.75 pF and its breakdown voltage is 12V. It is suitable for use in RF tuning circuits, where selectivity, high Q, and low insertion loss are desired, and it is applicable in low-frequency tuning circuits where a high Q is required.

In other applications, the SMV1255-079LF can be used as an analog switch, as it can quickly switch between a high-reflection and low-reflection condition depending on the applied voltage. This makes it well-suited for use in power amplifiers and other switching applications, where fast switching and low-weight are important.

The SMV1255-079LF is also used in magnetic field detection systems, such as magneto-resistance-based magnetic field sensors used for navigation, as well as in piezoelectric vibration sensors for applications such as human interface devices and medical/healthcare devices.

In conclusion, the SMV1255-079LF varicap can be used in a variety of applications thanks to its nonlinear capacitance, which allows it to switch between a high-reflective and low-reflective state depending on the applied voltage. It is suitable for use in RF tuning circuits, as an analog switch, and in magnetic field and vibration detection systems.

The specific data is subject to PDF, and the above content is for reference

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