2N4857JAN分立半導(dǎo)體產(chǎn)品的晶體管-JFET規(guī)格書PDF中文資料

2N4857JAN屬于分立半導(dǎo)體產(chǎn)品的晶體管-JFET。由威世科技半導(dǎo)體制造生產(chǎn)的2N4857JAN晶體管 - JFET結(jié)柵場效應(yīng)晶體管 (JFET) 是用作電子控制開關(guān)、放大器或電壓控制電阻器的器件。在柵極端子與源極端子之間施加適當極性的電勢差就會增加電流流動的阻力，這意味著源極端子與漏極端子之間通道中流動的電流會更少。由于電荷流過源極與漏極端子之間的半導(dǎo)體通道，因此 JFET 不需要偏置電流。

DESCRIPTION

The 2N4856JAN/JANTX/JANTXV all-purpose JFET analog switches offer low on-resistance, low capacitance, good isolation, and fast switching.

FEATURES

● Low On-Resistance: 2N4856 <25 Ω

● Fast Switching—tON: 4 ns

● High Off-Isolation—ID(off): 5 pA

● Low Capacitance: 3 pF

● Low Insertion Loss

● N-Channel Majority Carrier FET

BENEFITS

● Low Error Voltage

● High-Speed Analog Circuit Performance

● Negligible “Off-Error,” Excellent Accuracy

● Good Frequency Response, Low Glitches

● Eliminates Additional Buffering

● High Radiation Tolerance

APPLICATIONS

● Analog Switches

● Choppers

● Sample-and-Hold

● Normally “On” Switches

● Current Limiters