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| K1109_15 Datasheet, PDF (2/4 Pages) Unisonic Technologies – N-CHANNEL JFET FOR ELECTRET CONDENSER MICROPHONE | |||
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K1109
N-CHANNEL JFET
ï® ABSOLUTE MAXIMUM RATINGS (unless otherwise specified )
PARAMETER
SYMBOL
RATINGS
UNIT
Drain-Source Voltage
VDSX
20
V
Gate-Drain Voltage
VGDO
-20
V
Drain Current
ID
Gate Current
IG
10
mA
10
mA
Power Dissipation
PD
Junction Temperature
TJ
80
mW
+125
°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.
ï® ELECTRICAL CHARACTERISTICS (TJ=25°C, unless otherwise specified)
PARAMETER
Drain Current
Gate Off Voltage
Forward Transfer Admittance
Input Capacitance
Noise Voltage
ï® CLASSIFICATION OF IDSS
RANK
RANGE
J32
40-70
SYMBOL
IDSS
VGS(OFF)
lYFSl
CISS
NV
TEST CONDITIONS
VDS=2.0V, VGS=0
VDS=5.0V, ID=1.0ïA
VDS=5.0V, VGS=0, f=1kHz
VDS=5.0V, VGS=0, f=1.0MHz
J33
60-110
J34
90-180
J35
150-300
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
J36
200-450
J37
300-600
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 4
QW-R206-009.O
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