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UNISONIC TECHNOLOGIES CO., LTD K4059 Preliminary N-CHANNEL JFET www.unisonic.com.tw 1 of 3 Copyright © 2013 Unisonic Technologies Co., Ltd QW-R228-001.a 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 Package Pin Assignment Packing Lead Free Halogen Free 1 2 3 K4059L-x-AQ3-R K4059G-x-AQ3-R SOT-723 S D G Tape Reel
K4059 Preliminary N-CHANNEL JFET UNISONIC TECHNOLOGIES CO., LTD 2 of 3 www.unisonic.com.tw Q W - R 2 2 8 - 0 0 1 . a ABSOLUTE MAXIMUM RATINGS (TA=25°C) PARAMETER SYMBOL RATINGS UNIT Gate-Drain Voltage V GDO -20 V Gate-Current I G 10 mA Drain Power Dissipation (TA=25°C) P D 100 mW Junction Temperature T J 125 °C Storage Temperature Range T STG -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 =25°C) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Drain Current I DSS V GS=0, VDS=2V K4059-A 140 240 µA K4059-B 210 350 µA K4059-C 320 500 µA Drain Current I D VDD=2V, RL=2.2kΩ, Cg=5pF K4059-A 125 260 µA K4059-B 190 370 µA K4059-C 290 500 µA Gate-Drain Voltage V (BR)GDO I G=-10µA -20 V Gate-Source Cut-Off Voltage V GS (OFF) V DS=2V, ID=1µA -0.1 -1.0 V Forward Transfer Admittance |Y fs| V DS=2V, VGS=0V 1.35 1.85 mS Input Capacitance C ISS V DS=2V, VGS=0, f=1MHz 4.0 pF Voltage Gain G V VDD=2V,RL=2.2kΩ, Cg=5pF, f=1kHz, VIN=100mV K4059-A -1.2 +0.9 dB K4059-B -0.2 +1.4 dB K4059-C +0.5 +1.8 dB Delta Voltage Gain ∆GV(f) VDD=2V, RL=2.2kΩ, Cg=5pF, f=1kHz~100Hz, VIN=100mV 0 -1 dB Delta Voltage Gain ∆GV(V) VDD=2V~1.5V,RL=2.2kΩ, Cg=5pF, f=1kHz, VIN=100mV K4059-A -0.6 -1.1 dB K4059-B -0.8 -1.7 dB K4059-C -1.4 -3.2 dB Noise Voltage V N VDD=2V, RL=1kΩ, Cg=10pF, GV=80dB, A-Curve Filter K4059-A 33 75 mV K4059-B 38 80 mV K4059-C 42 90 mV Total Harmonic Distortion THD VDD=2V, RL=2.2kΩ, Cg=5pF, f=1kHz, VIN =50mV K4059-A 1.3 % K4059-B 0.6 % K4059-C 0.1 % Time Output Stability t OS V DD=2V, RL=2.2kΩ, Cg=5pF 100 200 ms CLASSIFICATION OF IDSS RANK A B C RANGE 140-240 210-350 320-500
K4059 Preliminary N-CHANNEL JFET UNISONIC TECHNOLOGIES CO., LTD 3 of 3 www.unisonic.com.tw Q W - R 2 2 8 - 0 0 1 . a TEST CIRCUIT 2.2kΩ 5pF 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.