Datasheet

UNISONIC TECHNOLOGIES CO., LTD
2SK3666
Preliminary
JFET
N-CHANNEL JUNCTIN SILICON
FET

DESCRIPTION
The UTC 2SK3666 is an N-channel junctin silicon FET, it uses
UTC’s advanced technology to provide the customers with low IGSS
and low CRSS.
The UTC 2SK3666 is suitable for low-frequency general-purpose
amplifier, impedance conversion, infrared sensor applications.

FEATURES
* Low IGSS
* Low CRSS

ORDERING INFORMATION
Ordering Number
2SK3666G-x-AE3-R
Note: Pin Assignment: A: Anode K: Cathode
Package
SOT-23
Pin Assignment
1
2
3
S
D
G
Packing
Tape Reel
2SK3666G-x-AE3-R

(1)Packing Type
(1) R: Tape Reel
(2)Package Type
(2) AE3: SOT-23
(3)Rank
(3) x: refer to Classification of IDSS
(4)Green Package
(4)G: Halogen Free and Lead Free
MARKING
3666G
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Copyright © 2015 Unisonic Technologies Co., Ltd
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QW-R206-109.a
2SK3666

Preliminary
JFET
ABSOLUTE MAXIMUM RATINGS (TC=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Drain-Source Voltage
VDSS
30
V
Gate-Drain Voltage
VGDS
-30
V
Gate Current
IG
10
mA
Drain Current
Continuous
ID
10
mA
Power Dissipation
PD
200
mW
Junction Temperature
TJ
150
°C
Storage Temperature Range
TSTG
-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 (TC=25°C, unless otherwise specified)
PARAMETER
OFF CHARACTERISTICS
Gate-Drain Breakdown Voltage
Drain-Source Leakage Current
Gate-Source Leakage Current
Forward Transfer Admittance
ON CHARACTERISTICS
Cutoff Voltage
Static Drain-Source On-State Resistance
DYNAMIC PARAMETERS
Input Capacitance
Reverse Transfer Capacitance

SYMBOL
TEST CONDITIONS
V(BR)GDS
IDSS
IGSS
│yfs│
IG=-10µA, VDS=0V
VDS=10V, VGS=0V
VGS=-20V, VDS=0V
VGS=0V, VDS=10V, f=1kHz
VGS(OFF)
RDS(ON)
VDS=10V, ID=1µA
VGS=0V, VDS=10mV
CISS
CRSS
VGS=0V, VDS=10V, f=1.0MHz
MIN
TYP
-30
0.6
3.0
6.5
-0.18
-0.95
270
MAX
UNIT
6.0
-1.0
V
mA
nA
mS
-2.2
4
1.1
V
Ω
pF
pF
CLASSIFICATION OF IDSS
RANK
RANGE
2
0.6 ~ 1.5
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3
1.2 ~ 3.0
4
2.5 ~6.0
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2SK3666
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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