Datasheet

UNISONIC TECHNOLOGIES CO., LTD
K1875
Preliminary
JFET
FIELD EFFECT TRANSISTOR
SILICON N CHANNEL
JUNCTION TYPE

DESCRIPTION
The UTC K1875 is an N-channel JFET, it uses UTC’s advanced
technology to provide customers low input capacitance and high
forward transfer admittance.
The UTC K1875 is suitable for high frequency amplifier and audio
frequency amplifier applications, etc.

FEATURES
* High forward transfer admittance
* Low input capacitance

ORDERING INFORMATION
Ordering Number
K1875G-xx-AE3-R
K1875G-xx-AQ3-R
Note: Pin Assignment: D: Drain
S: Source
Package
SOT-23
SOT-723
Pin Assignment
1
2
3
D
S
G
D
S
G
Packing
Tape Reel
Tape Reel
G: Gate
K1875G-xx-AE3-R

(1)Packing Type
(1) R: Tape Reel
(2)Package Type
(2) AE3: SOT-23, AL3: SOT-323
(3)Rank
(3) xx: refer to Classification of IDSS
(4)Green Package
(4) G: Halogen Free and Lead Free
MARKING
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
1 of 3
QW-R206-103.b
K1875

Preliminary
JFET
ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Gate-Drain Voltage
VGDS
-20
V
Gate-Current
IG
10
mA
Drain Power Dissipation
PD
100
mW
Junction Temperature
TJ
125
°C
Storage Temperature Range
TSTG
-55~125
°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 (TA =25°C, unless otherwise specified)
PARAMETER
Gate Leakage Current
Gate-Drain Breakdown Voltage
Drain Current
Gate-Source Cut-Off Voltage
Forward Transfer Admittance
Input Capacitance
Reverse Transfer Capacitance

SYMBOL
IGSS
V(BR)GDS
IDSS
VGS (OFF)
|Yfs|
Ciss
Crss
TEST CONDITIONS
VGS=-15V, VDS=0V
VDS=0V, IG=-100µA
VDS=5V, VGS=0V
VDS=5V, ID=1µA
VDS=5V, VGS=0V, f=1kHz
VDS=5V, VGS=0V, f=1MHz
VDG=5V, ID=0V, f=1MHz
MIN
-20
6
15
TYP MAX UNIT
-1.0 nA
V
32
mA
-2.5
V
25
mS
7.5 10
pF
2
3
pF
CLASSIFICATION OF IDSS
RANK
RANGE
GR
6~12
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
BL
10~20
V
16~32
2 of 3
QW-R206-103.b
K1875
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
3 of 3
QW-R206-103.b
Similar pages