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变容二极管

图片	型号	文档	类别	描述	品牌	供应商

	1N5448ACO		变容二极管	Variable Capacitance Diode, 22pF C(T), 30V, Silicon, DIE-1

	1N5448B		变容二极管	DIODE 二极管

	1N5448BCHIP		变容二极管	Variable Capacitance Diode, Very High Frequency to Ultra High Frequency, 22pF C(T), 30V, Silicon, Abrupt

	1N5448BCO		变容二极管	22pF, 30V, SILICON, VARIABLE CAPACITANCE DIODE, DIE-1

	1N5448BRL		变容二极管	UHF BAND, 22pF, 30V, SILICON, ABRUPT VARIABLE CAPACITANCE DIODE, DO-204AA

	1N5448C		变容二极管	DIODE 二极管

	1N5448C		变容二极管	Variable Capacitance Diode, Very High Frequency to Ultra High Frequency, 22pF C(T), 30V, Silicon, Abrupt,

	1N5448C18		变容二极管	Variable Capacitance Diode, 22pF C(T)

	1N5448CCHIP		变容二极管	Variable Capacitance Diode, Very High Frequency to Ultra High Frequency, 22pF C(T), 30V, Silicon, Abrupt

	1N5449		变容二极管	VARACTOR TUNING DIODES 变容二极管调谐

	1N5449		变容二极管	27pF, 30V, SILICON, ABRUPT VARIABLE CAPACITANCE DIODE, DO-7, GLASS PACKAGE-2

	1N5449		变容二极管	Variable Capacitance Diode, 27pF C(T), 30V, Silicon, Abrupt, DO-7,

	1N5449A		变容二极管	DIODE 二极管

	1N5449A		变容二极管	Variable Capacitance Diode, 27pF C(T), 30V, Silicon, Abrupt, DO-7

	1N5449ACHIP		变容二极管	Variable Capacitance Diode, Very High Frequency to Ultra High Frequency, 27pF C(T), 30V, Silicon, Abrupt, DIE

	1N5449ACO		变容二极管	27pF, 30V, SILICON, VARIABLE CAPACITANCE DIODE, DIE-1

	1N5449B		变容二极管	27pF, 30V, SILICON, ABRUPT VARIABLE CAPACITANCE DIODE, DO-7, GLASS PACKAGE-2

	1N5449BCHIP		变容二极管	Variable Capacitance Diode, Very High Frequency to Ultra High Frequency, 27pF C(T), 30V, Silicon, Abrupt

	1N5449C		变容二极管	DIODE 二极管

	1N5449C		变容二极管	27pF, 30V, SILICON, ABRUPT VARIABLE CAPACITANCE DIODE, DO-7, GLASS PACKAGE-2

	1N5449C		变容二极管	Variable Capacitance Diode, 27pF C(T), 30V, Silicon, Abrupt, DO-7

	1N5449C		变容二极管	Variable Capacitance Diode, Very High Frequency to Ultra High Frequency, 27pF C(T), 30V, Silicon, Abrupt,

	1N5449D		变容二极管	DIODE 二极管

	1N5450		变容二极管	VARACTOR TUNING DIODES 变容二极管调谐

	1N5450		变容二极管	DIODE VARACTOR DIODE,SINGLE,33PF C(T),DO-7, Variable Capacitance Diode

	1N5450		变容二极管	33pF, 30V, SILICON, ABRUPT VARIABLE CAPACITANCE DIODE, DO-7, GLASS PACKAGE-2

	1N5450		变容二极管	Variable Capacitance Diode, 33pF C(T), 30V, Silicon, Abrupt, DO-7,

	1N5450A		变容二极管	D0-7 Diode D0-7二极管

	1N5450A		变容二极管	Variable Capacitance Diode, 33pF C(T), 30V, Silicon, Abrupt, DO-7

	1N5450B		变容二极管	Variable Capacitance Diode, Very High Frequency to Ultra High Frequency, 33pF C(T), 30V, Silicon, Abrupt,

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什么是变容二极管

变容二极管（Variable Capacitance Diode，简称Varactor Diode），也被称为调谐二极管或慢波二极管，是一种具有可变电容特性的二极管。通过改变反向偏压的大小可以改变其电容值。变容二极管的工作原理基于PN结的反向偏压和电荷堆积效应。当反向偏压增大时，PN结两端的空间电荷区域会逐渐扩展并增加，这就导致了变容二极管的有效电容越来越大。反之，当反向偏压减小时，空间电荷区域缩小并逐渐消失，从而使得变容二极管的电容值减小。