The original of voltage-controlled transistors! High input impedance and high efficiency!
JFETs have high input impedance and draw almost no input current, resulting in low loss and the ability to transmit even small signals. Therefore, they can be used in applications such as microphones and amplifiers for audio amplification, as well as for amplifying small voltage fluctuations, making them suitable for use as sensors.
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basic information
【Lineup】 Common Characteristics VGDO=50V, IG=10mA, IDSS=1–12mA Ciss, RDS(on) are typical values TO-92S 2SJ498 VGS(off)=0.3–6V, Ciss=18pF, RDS(on)=220Ω 2SK2880 VGS(off)=0.3–6V, Ciss=8pF, RDS(on)=250Ω 2SK2881 VGS(off)=0.1–2V, Ciss=20pF, RDS(on)=70Ω SC-59 2SJ125 VGS(off)=0.3–6V, Ciss=18pF, RDS(on)=210Ω 2SK433 VGS(off)=0.3–6V, Ciss=8pF, RDS(on)=250Ω 2SK492 VGS(off)=0.1–2V, Ciss=20pF, RDS(on)=70Ω SC-70 2SJ145 VGS(off)=0.3–6V, Ciss=18pF, RDS(on)=210Ω 2SK930 VGS(off)=0.3–6V, Ciss=8pF, RDS(on)=250Ω
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Applications/Examples of results
- Microphone, audio amplifier, effects processor - Gas detector, fire alarm, analytical device - Banknote validator, card reader - Sequencer, photoelectric sensor, temperature monitoring device
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Company information
Isahaya Electronics began production of small signal transistors in 1973 and has evolved its semiconductor technology into design technologies for gate drivers and DC/DC converters. In recent years, the company has also focused on developing high-efficiency, high-power-factor power supply technologies to contribute to carbon neutrality. (Three-phase PFC, 1500V input compatible DC/DC converters, bidirectional converters, etc.) Meanwhile, to meet diverse needs, small signal transistors have also evolved with enhanced functionality and integration, expanding the lineup of high-voltage, high-current transistors, MOSFETs, and analog ICs.