BB 804 SF3 E6327

Infineon Technologies BB 804 SF3 E6327

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  • BB 804 SF3 E6327
  • Infineon Technologies
  • DIODE VAR CAP 18V 50MA SOT-23
  • Diodes - Variable Capacitance (Varicaps, Varactors)
  • BB 804 SF3 E6327 Datasheet
  • TO-236-3, SC-59, SOT-23-3
  • Bulk
  • Lead free / RoHS CompliantLead free / RoHS Compliant
  • 2601
  • Spot Inventory / Athorized Dstributor / Factory Excess Stock
  • 1 year quality assurance 》
  • Click to get rates
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What is BB 804 SF3 E6327

Infineon Technologies Part Number BB 804 SF3 E6327（Diodes - Variable Capacitance (Varicaps, Varactors)）, developed and manufactured by Infineon Technologies, distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.

BB 804 SF3 E6327 is one of the part numbers distributed by Jinftry, and you can learn about its specifications/configurations, package/case, Datasheet, and other information here. Electronic components are affected by supply and demand, and prices fluctuate frequently. If you have a demand, please do not hesitate to send us an RFQ or email us immediately [email protected] Please inquire about the real-time unit price, Data Code, Lead time, payment terms, and any other information you would like to know. We will do our best to provide you with a quotation and reply as soon as possible.

BB 804 SF3 E6327 Specifications

  • Part NumberBB 804 SF3 E6327
  • CategoryDiodes - Variable Capacitance (Varicaps, Varactors)
  • ManufacturerInfineon Technologies
  • DescriptionDIODE VAR CAP 18V 50MA SOT-23
  • PackageBulk
  • Series-
  • Operating Temperature-55°C ~ 125°C (TJ)
  • Mounting TypeSurface Mount
  • Package / CaseTO-236-3, SC-59, SOT-23-3
  • Supplier Device PackagePG-SOT23
  • Diode Type1 Pair Common Cathode
  • Voltage - Peak Reverse (Max)18 V
  • Capacitance @ Vr, F47.5pF @ 2V, 1MHz
  • Capacitance Ratio1.71
  • Capacitance Ratio ConditionC2/C8
  • Q @ Vr, F200 @ 2V, 100MHz

Application of BB 804 SF3 E6327

Variable Varicaps Variable varicaps are widely used in radio signal processing, radio frequency communication, audio control and other fields. In radio equipment, it is used to adjust the receiving and transmitting frequencies to ensure the accurate transmission of signals; In audio systems, the variable container acts as a tone controller to adjust the timbre and quality of the sound. Variable Varactors Variable varactors have a wide range of applications, including power systems, industrial automation, motor control and many other aspects. In power system, it is used to limit short circuit current, improve voltage distribution, compensate reactive power, etc. In the field of industrial automation, variable reactors are used to achieve precise control and speed regulation of motors. In the motor control system, it helps to realize the soft start and energy saving operation of the motor.

BB 804 SF3 E6327 Datasheet

BB 804 SF3 E6327 Datasheet , Bulk,-55°C ~ 125°C (TJ),Surface Mount,TO-236-3, SC-59, SOT-23-3,PG-SOT23,1 Pair Common Cathode,18 V,47.5pF @ 2V, 1MHz,1.71,C2/C8,200 @ 2V, 100MHz

BB 804 SF3 E6327 Classification

Diodes - Variable Capacitance (Varicaps, Varactors)

Variable Varicaps are electronic components capable of adjusting their capacitance values in response to external manipulation. It usually consists of a group of conductive plates close to each other, and the capacitance size is adjusted by changing the relative position between these plates. Variable variable containers can be manually adjusted or automatically controlled by mechanical or electronic means. Variable Varactors are reactors that can change their inductance or capacitance values. Such devices can be in the form of variable inductors or variable capacitors and are used to provide tunable impedance in a circuit to meet specific application requirements.

FAQ about Diodes - Variable Capacitance (Varicaps, Varactors)

  • 1. Is a diode a variable capacitor?

    The diode itself is not a variable capacitor, but a varactor diode has the characteristic of variable reactance and can be regarded as a special variable capacitor.
    A varactor diode is a special diode made by using the characteristic that the size of the junction capacitance changes with the applied voltage when the PN junction is reverse biased. When the reverse bias voltage increases, the junction capacitance decreases; conversely, the junction capacitance increases. The capacitance of this diode is generally small, with a maximum value of tens of picofarads to hundreds of picofarads, and the ratio of maximum capacitance to minimum capacitance is about 5:1. Varactors are mainly used in high-frequency circuits for automatic tuning, frequency modulation, and phase modulation, such as as variable capacitors in the tuning circuit of a television receiver.
    The working principle of a varactor diode is based on the reverse bias and charge accumulation effect of a PN junction. When a reverse voltage is applied to a PN junction, the charge accumulates to form a barrier layer similar to a capacitor. As the reverse voltage changes, the thickness of the barrier layer changes, resulting in a change in the junction capacitance. This phenomenon of dynamic capacitance change with reverse voltage enables varactor diodes to play an important role in high-frequency circuits.

  • 2. What is a variable capacitor?

    Variable capacitor, also known as variable capacitor, is a capacitor whose capacitance can be adjusted within a certain range. Its working principle is to change the capacitance value by changing the relative effective area or distance between the pole pieces. Common variable capacitors include mechanical, electronic and piezoelectric types.
    Classification
    Mechanical variable capacitor: Change the capacitance value by rotating or moving the metal plate.
    Electronic variable capacitor: Change the capacitance value by changing the reverse voltage of the PN junction.
    Piezoelectric variable capacitor: Use certain crystal materials to produce polarization when subjected to mechanical stress, thereby changing the capacitance value.

  • 3. What effect does capacitance have on diodes?

    The effect of capacitance on diodes is mainly reflected in the following aspects:
    Capacitance effect: Diodes have capacitance effect, mainly including barrier capacitance (CB) and diffusion capacitance (CD). Barrier capacitance is formed by the difference in conductivity on both sides of the PN junction, and its capacitance changes with the applied voltage. Diffusion capacitance is the charge accumulation effect formed by the diffusion of carriers in the P region and the N region when the diode is forward biased.
    Equivalent circuit: In order to simplify circuit analysis, the diode can be simulated by an equivalent circuit. In a DC circuit, the ideal diode model can be regarded as an ideal switch, which is equivalent to a closed switch when forward biased and an open switch when reverse biased.
    Series effect: When a capacitor is connected in series with a diode, a short current spike may occur, especially in a DC circuit. But this usually does not directly cause the capacitor to burn out unless the current is very large or the capacitor quality is very poor. In an AC circuit, the impedance of the capacitor changes with frequency, which may affect the working state of the circuit, but will not directly cause the capacitor to burn out.
    Parallel effect: When a capacitor is connected in parallel with a diode, the connection of the capacitor does not interfere with the normal operation of the diode, nor does it directly cause the capacitor to burn out. In this case, the capacitor mainly plays a filtering or energy storage role.

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Infineon Technologies
Infineon Technologies
Founded on April 1, 1999, Infineon Technologies is a leading global semiconductor company and one of the largest semiconductor product manufacturers in Germany. The company is headquartered in Munich, Germany, and its predecessor was the...
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