| FIELD EFFECT TRANSISTOR SILICON N-CHANNEL JUNCTION TYPE     DESCRIPTION    The UTC 2SK3557 is an N-channel junction silicon FET, it uses UTC’s advanced technology to provide the customers with low IGSS and low CRSS. The UTC 2SK3557 is suitable for audio frequency low noise amplifier, impedance conversion, infrared sensor applications.   FEATURES   * Small Ciss * Ultralow Noise Figure * High breakdown voltage: VGDS=−15V * High input impedance: IGSS=−1nA (max) at VGS=−10V |