UTC TF202
N-CHANNEL JFET
UTC
UNISONIC TECHNOLOGIES CO. LTD
1
QW-R210-001,A
CAPACITOR MICROPHONE
APPLICATIONS
FEATURES
*Ultrasmall-sized package permitting TF202 appliedses to
be made small and slim.
*Especially suited for use in audio,telephone capacitor
microphones.
*Excellent voltage charactristic.
*Excellent transient characteristic.
*Adoption of FBET process.
SOT-113
1
3
2
1:SOURCE 2:DRAIN 3. GATE
ABSOLUTE MAXIMUM RATINGS
( Ta=25
C ,unless otherwise specified )
PARAMETER SYMBOL
RATING
UNIT
Gate Drain Voltage
V
GDO
-20 V
Gate Current
I
G
10
mA
Drain Current
I
D
1
mA
Power Dissipation
P
D
100
mW
Junctin Temperature
Tj
150
C
Storage Temperature
T
STG
-55~+150
C
ELECTRICAL CHARACTERISTICS
(Ta=25
C,unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
Gate Drain Breakdown Voltage
B
(BR)GDO
I
G
=-100
A -20
V
Gate Source Cut off Voltage
V
GS(off)
V
DS
=5V,I
D
=1
A -0.2
-0.6
-1.2
V
Drain Current
I
DSS
V
DS
=5V,V
GS
=0 140
500
A
Forward Transfer Admittance
lY
FS
l V
DS
=5V,V
GS
=0,f=1KHz 0.5
1.2 mS
Input Capacitance
C
ISS
V
DS
=5V,V
GS
=0,f=1MHz
3.5
pF
Output Capacitance
C
RSS
V
DS
=5V,V
GS
=0,f=1MHz
0.65
pF
CLASSIFICATION OF I
DSS
RANK
E4 E5 E6
I
DSS
(
A)
140-240 210-350 320-500
UTC TF202
N-CHANNEL JFET
UTC
UNISONIC TECHNOLOGIES CO. LTD
2
QW-R210-001,A
TEST CIRCUIT(Ta=25
C)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
Voltage Gain
Gv
V
IN
=10mV, f=1KHz
-3
dB
Reduced Voltage Characteristic
GvV V
IN
=10mV, f=1KHz,
Vcc=4.5V
1.5V
-1.2
-3.5 dB
Frequency Characteristic
Gvf
f=1KHz to 110Hz
-1
dB
Input Resistance
Z
IN
f=1KHz
25
M
Output Resistance
Z
O
f=1KHz
700
Total Harmonic distortion
THD
V
IN
=30mV, f=1KHz
1
%
Output Noise Voltage
V
NO
V
IN
=0, A CURVE
-110
dB
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.
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