UNISONIC TECHNOLOGIES CO., LTD K4059 Preliminary N-CHANNEL JFET FIELD EFFECT TRANSISTOR SILICON N CHANNEL JUNCTION TYPE DESCRIPTION The UTC K4059 is an N-channel JFET, it uses UTC’s advanced technology to provide customers with low input capacitance and low forward transfer admittance. FEATURES * Low forward transfer admittance * Low input capacitance EQUIVALENT CIRCUIT ORDERING INFORMATION Ordering Number K4059G-x-AQ3-R Note: Pin Assignment: S: Source D: Drain Package SOT-723 Pin Assignment 1 2 3 S D G Packing Tape Reel G: Gate MARKING www.unisonic.com.tw Copyright © 2014 Unisonic Technologies Co., Ltd 1 of 3 QW-R228-001.b K4059 Preliminary N-CHANNEL JFET ABSOLUTE MAXIMUM RATINGS ( TA=25C ,unless otherwise specified ) PARAMETER SYMBOL RATINGS UNIT Gate-Drain Voltage VGDO -20 V Gate-Current IG 10 mA Drain Power Dissipation (TA=25°C) PD 100 mW Junction Temperature TJ 125 °C Storage Temperature Range TSTG -55~125 °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=25C ,unless otherwise specified ) PARAMETER SYMBOL Drain Current IDSS Drain Current ID Gate-Drain Voltage Gate-Source Cut-Off Voltage Forward Transfer Admittance Input Capacitance Voltage Gain V(BR)GDO VGS (OFF) |Yfs| CISS GV Delta Voltage Gain ∆GV(f) Delta Voltage Gain ∆GV(V) Noise Voltage Total Harmonic Distortion Time Output Stability VN THD tOS TEST CONDITIONS K4059-A VGS=0, VDS=2V K4059-B K4059-C K4059-A VDD=2V, RL=2.2kΩ, K4059-B Cg=5pF K4059-C IG=-10µA VDS=2V, ID=1µA VDS=2V, VGS=0V VDS=2V, VGS=0, f=1MHz K4059-A VDD=2V,RL=2.2kΩ, Cg=5pF, f=1kHz, K4059-B VIN=100mV K4059-C VDD=2V, RL=2.2kΩ, Cg=5pF, f=1kHz~100Hz, VIN=100mV VDD=2V~1.5V,RL=2.2kΩ, K4059-A Cg=5pF, f=1kHz, K4059-B VIN=100mV K4059-C K4059-A VDD=2V, RL=1kΩ, Cg=10pF, GV=80dB, K4059-B A-Curve Filter K4059-C K4059-A VDD=2V, RL=2.2kΩ, Cg=5pF, f=1kHz, K4059-B VIN =50mV K4059-C VDD=2V, RL=2.2kΩ, Cg=5pF MIN TYP MAX UNIT 140 240 µA 210 350 µA 320 500 µA 125 260 µA 190 370 µA 290 500 µA -20 V -0.1 -1.0 V 1.35 1.85 mS 4.0 pF -1.2 +0.9 dB -0.2 +1.4 dB +0.5 +1.8 dB 0 -1 dB -0.6 -0.8 -1.4 33 38 42 1.3 0.6 0.1 100 -1.1 -1.7 -3.2 75 80 90 dB dB dB mV mV mV % % % ms 200 CLASSIFICATION OF IDSS RANK RANGE A 140-240 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw B 210-350 C 320-500 2 of 3 QW-R228-001.b K4059 N-CHANNEL JFET 2.2kΩ TEST CIRCUIT 5pF Preliminary 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-R228-001.b