BYS32010_IRF7905TRPBF Introduction

The MOS tube is a voltage-driven device. As long as an appropriate voltage is applied between the gate G and the source S, the conduction path between the source S and D will be formed. As the switch tube of the driving part, the main focus of the MOS tube is the withstand voltage, current withstand value and switching speed.

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BYS32010_IRF7905TRPBF

BYM4640

NCE30H11K NCE3402B NCE30H10AK NCE2304 NCE3404.

There are three parasitic capacitance parameters in the MOS tube specification, namely: input capacitance Ciss, output capacitance Coss, and reverse transfer capacitance Crss. What do the three capacitance parameters represent in the body of the tube? How did it form? .

BYC4322 BYM4310 BYM4322 BYM4316 BYC4312 BYM438 BYS441 BYN4458 BYE4625Z BYM4612 .

The reason is that the on-resistance is small and it is easy to manufacture. Therefore, in the application of switching power supply and motor drive, NMOS is generally used.

BYS32010_IRF7905TRPBF

SI4834DY-T1-E3

BYM8615 BYH8638 BYN8610A BYM8628 BYN8222 BYM31020 BYS31010 BYJ3104 BYH3105 BYP3109.

BYM4610 BYM4640 BYM4875 BYM81080 BYM81095 BYM826 BYM8311 BYM8315 BYH8415 BYM8415.

Diffusion capacitance: When a forward voltage is applied, the non-equilibrium minority carrier concentration near the interface of the depletion layer is high, far from the non-equilibrium minority carrier concentration is low, and the concentration gradually decays from high to 0 until it reaches zero. The process of charge accumulation and release in this phenomenon is the same as that of capacitor charging and discharging, which is called diffusion capacitance. When the applied forward voltage increases, the concentration of unbalanced minority carriers increases and the concentration gradient also increases, and when the applied voltage decreases, the change is opposite.

. The characteristics of a MOSFET can be characterized by a transfer characteristic curve and a drain output characteristic curve. Figure 3 shows the handling characteristics of a certain FET. The transfer characteristic refers to the relationship curve between the gate voltage UGS and the corresponding drain current ID when the voltage UDS between the drain and the source is at a certain fixed value.

BYS32010_IRF7905TRPBF

NCE2302C NCE8205t NCE2004Y NCE2006Y NCE2007NS.

MOS tube NCE3401 is a -30V drain-source voltage, 4.2A current, P-channel MOS tube in SOT-23 package. .

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