UNISONIC TECHNOLOGIES CO., LTD
2SK545
Preliminary
JFET
IMPEDANCE CONVERTER
APPLICATIONS
3
DESCRIPTION
The UTC
2SK545
is an N-channel Junction field effect transistor.
It uses UTC’s advanced technology to provide customers low C
ISS
and low I
GSS
.
The UTC
2SK545
is suitable for infrared sensor and impedance
converter applications.
2
1
SOT-23
(TO-236)
FEATURES
* Low Input Capacitance
* Low Gate-Source Leakage Current
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
2SK545L-xx-AE3-R
2SK545G-xx-AE3-R
Package
SOT-23
Pin Assignment
1
2
3
D
S
G
Packing
Tape Reel
2SK545L-xx-AE3-R
(1) Packing Type
(2) Package Type
(3) Rank
(4) Halogen Free
(1) R: Tape Reel
(2) AE3: SOT-23
(3) xx: refer to Classification of l
DSS
(4) G: Halogen Free, L: Lead Free
MARKING
www.unisonic.com.tw
Copyright © 2012 Unisonic Technologies Co., Ltd
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QW-R216-102.a
2SK545
Preliminary
JFET
ABSOLUTE MAXIMUM RATINGS
(T
A
=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Drain-Source Voltage
V
DSS
40
V
Gate-Drain Voltage
V
GDS
-40
V
Gate Current
I
G
10
mA
Drain Current
I
D
1
mA
Power Dissipation
P
D
125
mW
Junction Temperature
T
J
150
°C
Storage Temperature
T
STG
-55 ~ +150
°C
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
(T
A
=25°C, unless otherwise specified)
PARAMETER
Gate-to-Drain Breakdown Voltage
Gate-to-Source Leakage Current
Zero-Gate Voltage Drain Current
Cutoff Voltage
Forward Transfer Admittance
Input Capacitance
Reverse Transfer Capacitance
SYMBOL
V
(BR)GDS
I
GSS
I
DSS
V
GS(OFF)
|yfs|
C
ISS
C
RSS
TEST CONDITIONS
I
D
=-10µA, V
DS
=0V
V
GS
=-20V, V
DS
=0V
V
DS
=10V, V
GS
=0V
V
DS
=10V, I
D
=1µA
V
GS
=0V, V
DS
=10V, f=1.0KHz
V
GS
=0V, V
DS
=10V, f=1.0MHz
MIN TYP MAX UNIT
-40
V
-500 pA
30
300 µA
-1.5 -4.0
V
0.05 0.13
mS
1.7
pF
0.7
pF
CLASSIFICATION OF I
DSS
RANK
RANGE
B10
30~80
B11
60~180
B12
150~300
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 3
QW-R216-102.a
2SK545
Preliminary
JFET
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
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QW-R216-102.a
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