UNISONIC TECHNOLOGIES CO., LTD TF202

UNISONIC TECHNOLOGIES CO., LTD
TF202
N-CHANNEL JFET
N-CHANNEL JFET CAPACITOR
MICROPHONE APPLICATIONS

DESCRIPTION
The UTC TF202 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.

ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
TF202G-x-AE3-R
TF202G-x-AN3-R
TF202G-x-AC3-R
TF202L-x-A3C-R
TF202G-x-A3C-R
TF202G-x-AQ3-R
Note: Pin Assignment: S: Source
D: Drain
G: Gate
TF202G-x-AC3-R
(1)Packing Type
(2)Package Type
(3)Rank
SOT-23
SOT-523
SOT-113
SOT-113S
SOT-723
Pin Assignment
1
2
3
S
D
G
S
D
G
S
D
G
S
D
G
S
D
G
Packing
Tape Reel
Tape Reel
Tape Reel
Tape Reel
Tape Reel
(1) R: Tape Reel
(2) AC3: SOT-113, A3C: SOT-113S
AE3: SOT-23, AN3: SOT-523, AQ3: SOT-723
(3) x: refer to CLASSIFICATION OF IDSS
(4)Green Package

Package
(4) G: Halogen Free and Lead Free, L: Lead Free
MARKING
TF202-E3
TF202-E4
E3
E4
TF202-E5
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
1 of 4
QW-R210-001.J
TF202

N-CHANNEL JFET
ABSOLUTE MAXIMUM RATINGS ( TA=25°С, unless otherwise specified )
PARAMETER
Gate Drain Voltage
Gate Current
Drain Current
Power Dissipation
Junction Temperature
Storage Temperature
SYMBOL
VGDO
IG
ID
PD
TJ
TSTG
RATING
-20
10
10
100
150
-55~+150
UNIT
V
mA
mA
mW
°С
°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C, unless otherwise specified)
PARAMETER
Gate Drain Breakdown Voltage
Gate Source Cut off Voltage
Zero-Gate Voltage Drain Current
Drain Current
SYMBOL
BVGDO
VGS(OFF)
IDSS
ID
Forward Transfer Admittance
Input Capacitance
lyfsl
CISS
Voltage Gain
GV
Delta Voltage Gain
Frequency Characteristic
∆GV
∆GV(f)
Output Noise Voltage
VNO
Total Harmonic distortion
THD

TEST CONDITIONS
MIN TYP MAX UNIT
IG=-100μA
-20
V
VDS=2V, ID=1μA
-0.38
V
VDS=2V, VGS=0V
100
350
μA
IDSS=100μA
98
μA
VDD=2V, RL=2.2kΩ,
IDSS=250μA
244
μA
Cg=5pF
IDSS=350μA
337
μA
VDS=2V, VGS=0V
1.43
mS
VDS=2, VGS=0, f=1MHz
5.0
pF
IDSS=100μA
0.1
dB
VDD=2V, RL=2.2kΩ,
Cg=5pF, f=1kHz,
IDSS=250μA
1.95
dB
VIN=10mV
IDSS=350μA
2.25
dB
VIN=10mV, RL=2.2kΩ, Cg=5pF,
-0.5
dB
f=1kH, VDD=2V to1.5V
VIN=10mV, RL=2.2kΩ, Cg=5pF,
-0.2
dB
VDD=2V, f=1kHz to 110kHz
-107
dB
RL=1kΩ
VDD=2V, Cg=5pF,
A-curve filter
RL=2.2kΩ
-102
dB
VDD=2V, RL=2.2kΩ, Cg=5pF, f=1kHz,
0.9
%
VIN=50mV
CLASSIFICATION OF IDSS
RANK
RANGE
E3
100-170
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
E4
140-240
E5
210-350
2 of 4
QW-R210-001.J
TF202

N-CHANNEL JFET
TEST CIRCUIT(TA=25C
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 4
QW-R210-001.J
TF202

N-CHANNEL JFET
TYPICAL CHARACTERISTICS
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 4
QW-R210-001.J