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K1109

UTC
Part Number K1109
Manufacturer UTC
Description N-CHANNEL JFET FOR ELECTRET CONDENSER MICROPHONE
Published Apr 14, 2007
Detailed Description UNISONIC TECHNOLOGIES CO., LTD K1109 N-CHANNEL JFET FOR ELECTRET CONDENSER MICROPHONE N-CHANNEL JFET  DESCRIPTION The...
Datasheet PDF File K1109 PDF File

K1109
K1109

Overview
UNISONIC TECHNOLOGIES CO.
, LTD K1109 N-CHANNEL JFET FOR ELECTRET CONDENSER MICROPHONE N-CHANNEL JFET  DESCRIPTION The UTC K1109 is N-channel JFET for electrets condenser microphone.
 FEATURES * High GM Implies Low Transfer loss * Built-In Gate-Source Diode and Resistor Implies Fast Power on Settling Time  ORDERING INFORMATION Ordering Number K1109G-x-AE3-R K1109G-x-AQ3-R Note: Pin Assignment: S: Source D: Drain G: Gate Package SOT-23 SOT-723 Pin Assignment 123 SDG SDG Packing Tape Reel Tape Reel  MARKING www.
unisonic.
com.
tw Copyright © 2014 Unisonic Technologies Co.
, Ltd 1 of 4 QW-R206-009.
O K1109 N-CHANNEL JFET  ABSOLUTE MAXIMUM RATINGS (unless otherwise specified ) PARAMETER SYMBOL RATINGS UNIT Drain-Source Voltage Gate-Drain Voltage VDSX VGDO 20 -20 V V Drain Current Gate Current ID IG 10 mA 10 mA Power Dissipation Junction Temperature PD TJ 80 +125 mW °C Storage Temperature 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 (TJ=25°C, unless otherwise specified) PARAMETER Drain Current Gate Off Voltage Forward Transfer Admittance Input Capacitance Noise Voltage SYMBOL IDSS VGS(OFF) lYFSl CISS NV TEST CONDITIONS VDS=2.
0V, VGS=0 VDS=5.
0V, ID=1.
0A VDS=5.
0V, VGS=0, f=1kHz VDS=5.
0V, VGS=0, f=1.
0MHz MIN TYP MAX UNIT 40 600 μA -0.
1 -1.
0 V 600 1600 μS 7.
0 8.
0 pF 1.
8 3.
0 μV  CLASSIFICATION OF IDSS RANK RANGE J32 40-70 J33 60-110 J34 90-180 J35 150-300 J36 200-450 J37 300-600 UNISONIC TECHNOLOGIES CO.
, LTD www.
unisonic.
com.
tw 2 of 4 QW-R206-009.
O K1109  TEST CIRCUIT N-CHANNEL JFET UNISONIC TECHNOLOGIES CO.
, LTD www.
unisonic.
com.
tw 3 of 4 QW-R206-009.
O Drain Current,ID(uA) Allowable power dissipation,PC(mW) K1109  TYPICAL CHARACTERISTICS Drian Current vs Drain Source Voltage(J35) 600 0.
15V 500 0.
10V 400 0.
05V 3...


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