BB 689 E7908 Allicdata Electronics
Allicdata Part #:

BB689E7908-ND

Manufacturer Part#:

BB 689 E7908

Price: $ 0.00
Product Category:

Discrete Semiconductor Products

Manufacturer: Infineon Technologies
Short Description: DIODE VAR CAP 30V 20MA SCD-80
More Detail: Varactor Single 30V Surface Mount PG-SCD80-2
DataSheet: BB 689 E7908 datasheetBB 689 E7908 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Obsolete
Moisture Sensitivity Level (MSL): --
Capacitance @ Vr, F: 2.9pF @ 28V, 1MHz
Capacitance Ratio: 23.2
Capacitance Ratio Condition: C1/C28
Voltage - Peak Reverse (Max): 30V
Diode Type: Single
Q @ Vr, F: --
Operating Temperature: -55°C ~ 150°C (TJ)
Mounting Type: Surface Mount
Package / Case: SC-80
Supplier Device Package: PG-SCD80-2
Base Part Number: BB689
Description

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Varicaps, also known as varactors, are a type of diode that exhibit a capacitance that can be varied based on an applied voltage. This particular diode, the BB 689 E7908, is a Varicap known for its low noise, low loss, and wide temperature range. Varicaps such as the BB 689 E7908 are commonly used in high-frequency communications, and RF remote sensing technologies, to control the center frequency of VCOs, build filter circuits, and to generate asymmetric signals.

The BB 689 E7908 has a capacitance range of 20-150 pF with a maximum voltage of 30 VDC. It has an operating temperature range of -40°C to +85°C, and a storage temperature range of -40°C to +105°C. It has a maximum reverse current of 0.003 uA at 25°C, and a maximum dissipation of 100 mW. The BB 689 E7908 also features a rapid response time, and is capable of working at frequencies up to 6 Ghz.

The working principle of Varicaps relies on the physics of reverse biased semiconductor junctions. When the reverse voltage is applied to a Varicap, a depletion region forms around the junction. The distance between the depletion region and the PN junction is proportional to the reverse biased voltage applied. As the distance increases, the capacitance of the junction decreases. This capacitance is directly proportional to the amount of voltage applied to the diode.

The BB 689 E7908 is a general-purpose Varicap with a wide range of uses. It is most commonly used in applications such as oscillators, RF remote sensing, filter circuits, and voltage-controlled oscillators (VCOs). It is also used in frequency synthesizers and modulation circuits. In addition to being used in circuits, Varicaps can also be used as transducers in which a small voltage can be used to modulate a larger voltage.

The BB 689 E7908 Varicap has a wide range of features that make it useful in a variety of circuits and applications. It is capable of working at frequencies up to 6 Ghz, is low loss, low noise, and has a wide temperature range. It has a rapid response time and a wide range of capacitance that can be adjusted by the voltage applied to the diode. The BB 689 E7908 Varicap can be used for a variety of applications, from frequency synthesis to modulation.

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

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