TF218

UNISONIC TECHNOLOGIES CO., LTD TF218 N-CHANNEL JUNCTION FIELD EFFECT TRANSISTOR  DESCRIPTION The UTC TF218 is an N-channel junction field effect transistor, and it can be specially used in electronic condenser microphone specially.  FEATURES * Good voltage characteristics and transient characteristics. JFET  ORDERING INFORMATION Ordering Number TF218G-x-AN3-R TF218G-x-AQ3-R Note: Pin Assignment: S: Source D: Drain G: Gate Package SOT-523 SOT-723 Pin Assignment 123 SDG SDG Packing Tape Reel Tape Reel  MARKING TF218-E3 TF218-E4 TF218-E5 www.unisonic.com.tw Copyright © 2014 Unisonic Technologies Co., Ltd 1 of 4 QW-R206-093.F TF218 JFET  ABSOLUTE MAXIMUM RATING (TA=25°С, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Gate to Drain Voltage VGDO -20 V Gate Current IG 10 mA Drain Current ID 1 mA Power Dissipation PD 100 mW Junction Temperature TJ 150 °С Storage Temperature TSTG -55~+150 °С 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°С, unless otherwise specified) PARAMETER G-D Breakdown Voltage Gate Off Voltage Drain Current Forward Transfer Admittance Input Capacitance Reverse Transfer Capacitance Voltage Gain Reduced Voltage Characteristic Frequency Characteristic Input Resistance Output Resistance Total Harmonic Distortion Output Noise Vo...