Datasheet

UNISONIC TECHNOLOGIES CO., LTD
TF215
Preliminary
JFET
N-CHANNEL JUNCTION FIELD
EFFECT TRANSISTOR

DESCRIPTION
The UTC TF215 is an N-channel junction field effect transistor,
and it can be specially used in electronic condenser microphone.

FEATURES
* Good voltage characteristics and transient characteristics.

ORDERING INFORMATION
Ordering Number
TF215G-x-AN3-R
Note: Pin Assignment: S: Source
D: Drain

Package
SOT-523
Pin Assignment
1
2
3
S
D
G
Packing
Tape Reel
G: Gate
MARKING
TF215-E3
TF215-E4
TF215-E5
E3
E4
E5
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
1 of 3
QW-R206-096.c
TF215

Preliminary
JFET
ABSOLUTE MAXIMUM RATING (TA=25°С, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Gate to 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
G-D Breakdown Voltage
Gate Off Voltage
Drain Current
Forward Transfer Admittance
Input Capacitance
Reverse Transfer Capacitance
Voltage Gain
Reduced Voltage Characteristic
Frequency Characteristic
Input Resistance
Output Resistance
Total Harmonic Distortion
Output Noise Voltage

SYMBOL
BVGDO
VGS(OFF)
IDSS
|YFS|
CISS
CRSS
GV
△GVV
△GVf
ZIN
ZO
THD
VNO
TEST CONDITIONS
MIN
IG=-100μA
-20
VDS=5.0V, ID=1μA
-0.2
VDS=5.0V, VGS=0
100
VDS=2.0V, VGS=0, f=1KHz
0.8
VDS=5.0V, VGS=0, f=1MHz
VDS=5.0V, VGS=0, f=1MHz
VIN=10mV, f=1KHz
VIN=10mV, f=1KHz VCC=4.51.5V
f=1KHz~110Hz
f=1KHz
25
f=1KHz
VIN=30mV, f=1KHz
VIN=0, A Curve
TYP
MAX UNIT
V
-0.6 -1.0
V
350
μA
1.2
mS
3.5
pF
0.65
pF
-3.0
dB
-1.2 -3.5
dB
-1.0
dB
MΩ
1000
Ω
1.2
%
-110
dB
CLASSIFICATION OF IDSS
RANK
RANGE
E3
100-170
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
E4
140-240
E5
210-350
2 of 3
QW-R206-096.c
TF215

Preliminary
JFET
TEST CIRCUIT (TA=25°С)
VCC=4.5V
1KΩ
VCC=1.5V
15pF
OSC
33µF
V VTVM
THD
B
1KΩ
A
For Output
Impedance
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
3 of 3
QW-R206-096.c
Similar pages