UNISONIC TECHNOLOGIES CO., LTD 2SK545 Preliminary JFET IMPEDANCE CONVERTER APPLICATIONS 3 DESCRIPTION The UTC 2SK545 is an N-channel Junction field effect transistor. It uses UTC’s advanced technology to provide customers low CISS and low IGSS. The UTC 2SK545 is suitable for infrared sensor and impedance converter applications. 2 1 SOT-23 (JEDEC TO-236) FEATURES * Low Input Capacitance * Low Gate-Source Leakage Current ORDERING INFORMATION Ordering Number 2SK545G-xx-AE3-R Note: Pin Assignment: D: Drain S: Source Package SOT-23 Pin Assignment 1 2 3 D S G Packing Tape Reel G: Gate MARKING www.unisonic.com.tw Copyright © 2014 Unisonic Technologies Co., Ltd 1 of 3 QW-R206-102.b 2SK545 Preliminary JFET ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Drain-Source Voltage VDSS 40 V Gate-Drain Voltage VGDS -40 V Gate Current IG 10 mA Drain Current ID 1 mA Power Dissipation PD 125 mW Junction Temperature TJ 150 °C Storage Temperature TSTG -55 ~ +150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. ELECTRICAL CHARACTERISTICS (TA =25°C, unless otherwise specified) PARAMETER Gate-to-Drain Breakdown Voltage Gate-to-Source Leakage Current Zero-Gate Voltage Drain Current Cutoff Voltage Forward Transfer Admittance Input Capacitance Reverse Transfer Capacitance SYMBOL V(BR)GDS IGSS IDSS VGS(OFF) |yfs| CISS CRSS TEST CONDITIONS ID=-10µA, VDS=0V VGS=-20V, VDS=0V VDS=10V, VGS=0V VDS=10V, ID=1µA VGS=0V, VDS=10V, f=1.0KHz VGS=0V, VDS=10V, f=1.0MHz MIN TYP MAX UNIT -40 V -500 pA 30 300 µA -1.5 -4.0 V 0.05 0.13 mS 1.7 pF 0.7 pF CLASSIFICATION OF IDSS RANK RANGE B10 30~80 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw B11 60~180 B12 150~300 2 of 3 QW-R206-102.b 2SK545 Preliminary JFET UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 3 QW-R206-102.b