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Unisonic Technologies |
UNISONIC TECHNOLOGIES CO., LTD
TF212
CAPACITOR MICROPHONE
APPLICATIONS
JFET
DESCRIPTION
The UTC TF212 uses advanced trench technology to provide
excellent RDS (ON), low gate charge and operation with low gate
voltages. This device is suitable for use in capacitor microphone
applications.
FEATURES
* Suited for use in audio, telephone capacitor microphones.
* Good voltage characteristic.
* Good transient characteristic.
* Halogen Free
ORDERING INFORMATION
Ordering Number
-
TF212G-xx-A3C-R
-
Note: Pin Assignment: S: Source
Package
SOT-113
SOT-113S
SOT-523
D: Drain G: Gate
Pin Assignment
123
SDG
SDG
SDG
Packing
Tape Reel
Tape Reel
Tape Reel
MARKING
TF212-F4
TF212-F5
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Copyright © 2014 Unisonic Technologies Co., Ltd
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QW-R206-097.C
TF212
JFET
ABSOLUTE MAXIMUM RATINGS ( Ta=25°С, unless otherwise specified )
PARAMETER
SYMBOL
RATING
UNIT
Gate 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
Gate Drain Breakdown Voltage
Gate Source Cut off Voltage
Drain Current
Forward Transfer Admittance
Input Capacitance
Output Capacitance
Voltage Gain
Reduced Voltage Characteristic
Frequency Characteristic
Input Resistance
Output Resistance
Total Harmonic distortion
Output Noise Voltage
SYMBOL
BVGDO
VGS(OFF)
IDSS
lYFSl
CISS
CRSS
GV
△GVV
△GVf
ZIN
ZO
THD
VNO
TEST CONDITIONS
MIN TYP MAX UNIT
IG=-100μA
-20 V
VDS=5V, ID=1μA
-0.2 -0.6 -1.2 V
VDS=5V, VGS=0
140 350 μA
VDS=2V, VGS=0, f=1KHz
1 1.2
mS
VDS=5V, VGS=0, f=1MHz
3.5 pF
VDS=5V, VGS=0, f=1MHz
0.65 pF
VIN=10mV, f=1KHz
-3 dB
VIN=10mV,f=1KHz, VCC=4.5V1.5V
-1.2 -3.5 dB
f=1KHz to 110Hz
-1 dB
f=1KHz
25 MΩ
f=1KHz
700 Ω
VIN=30mV, f=1KHz
1%
VIN=0
-110 dB
CLASSIFICATION OF IDSS
RANK
RANGE
F4
140-240
F5
210-350
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 3
QW-R206-097.C
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