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Details, datasheet, quote on part number:UTCK1109
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Datasheet text preview:
UTC K1109
N-CHANNEL JFET FOR ELECTRET CONDENSER MICROPHONE
DESCRIPTION
The UTC K1109 is N-channel JFET for electret condenser microphone.
N-CHANNEL JUNCTION FET
1
2
FEATURES
*High gm implies low transfer loss *Built-in gate-source diode and resistor implies fast power on settling time
3
TOP VIEW
SOT-23
1: SOURCE
2: DRAIN
3: GATE
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
PARAMETER
Drain-Source Voltage Gate-Drain Voltage Drain Current Gate Current Total Power Dissipation Junction Temperature Storage Temperature
SYMBOL
VDSX VGDO ID IG PT Tj TSTG
VALUE
20 -20 10 10 80 125 -55 ~ +125
UNIT
V V mA mA mW °C °C
ELECTRICAL CHARACTERISTICS (Tj=25°C, unless otherwise specified)
PARAMETER
Drain Current Gate Off Voltage Forward Transfer Admittance Forward Transfer Admittance Input Capacitance Noise Voltage
SYMBOL
IDSS VGS(OFF) lYFS1l lYFS2l Ciss NV
TEST CONDITIONS
VDS=5.0V,VGS=0 VDS=5.0V,ID=1.0µA VDS=5.0V,ID=30µA,f=1kHz VDS=5.0V, VGS=0,f=1kHz VDS=5.0V,VGS=0,f=1.0MHz
MIN
40 -0.1 350 350
TYP
MAX
600 -1.0
UNIT
µA V µS µS pF V
480 1600 7.0 1.8
8.0 3.0
CLASSIFICATION OF IDSS
RANK
RANGE
J34
90-180
J35
150-300
J36
200-450
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R206-009,A
UTC K1109
NOISE VOLTAGE TEST CIRCUIT
N-CHANNEL JUNCTION FET
+4.5V 1K FILTER NV r.m.s.
10pF
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R206-009,A
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