KEC KTK921U

SEMICONDUCTOR
KTK921U
TECHNICAL DATA
N CHANNEL MOS FIELD
EFFECT TRANSISTOR
RF Switching for VCR/DVD/Set Top Box Tuner
FEATURES
Low loss at on state(Typ 1dB@1GHz)
E
M
With built-in bias diode
4
2
3
D
J
1
H
L
C
A
Gate 3.3V operating
M
B
N
N
K
DIM
A
B
C
D
E
H
J
K
L
M
N
MILLIMETERS
_ 0.20
2.00 +
_ 0.15
1.25 +
_ 0.10
0.90 +
0.3+0.10/-0.05
_ 0.20
2.10 +
0.15+0.1/-0.06
1.30
0.00 ~ 0.10
0.70
0.42
0.10 MIN
1. Diode Cathode
2. FET Gate & Diode Anode
3. FET Drain
4. FET Source
FET Maximum Ratings (Ta=25
)
CHARACTERISTIC
SYMBOL
RATING
UNIT
Drain-Source-Voltage
VDS
Drain-Gate-Voltage
VDG
7
V
Source-Gate-Voltage
VSG
7
V
ID
10
mA
SYMBOL
RATING
UNIT
Reverse Voltage
VR
35
V
Forword Current
IF
100
mA
Drain Current
DIODE Maximum Ratings (Ta=25
3
USQ
V
EQUIVALENT CIRCUIT
4(S)
3(D)
1(C)
2(G,A)
)
CHARACTERISTIC
Marking
4
FET DIODE Maximum Ratings (Ta=25
CHARACTERISTIC
Type Name
)
SYMBOL
RATING
UNIT
Power Dissipation
PC
200
mW
Junction Temperature
Tj
150
Tstg
-55~150
Storage Temperature Range
2010. 2. 17
Revision No : 0
3
Lot No.
MC
1
2
1/2
KTK921U
FET ELECTRICAL CHARACTERISTICS (Ta=25
CHARACTERISTIC
)
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Gate-Source Breakdown Voltage
V(BR)GSS
VDS=0, IGS=-0.1mA
-7
-
-
V
Gate-Source Pinch-off Voltage
VGS(OFF)
VDS=1V, ID=20 A
-
-1.9
-2.5
V
Drain-Source Leakage Current
IDSX
VDS=2V, VGS=-3.3V
-
-
10
A
Gate Cut-off Current
IGSS
VDS=0, VGS=-3.3V
-
-
-100
nA
VGS=0, ID=1mA
-
20
25
-
-
-2.5
dB
RDS(ON)
Drain-Source On-State Resistance
S21(ON) 2
Loss(On-State) Note1
S21(OFF) 2
Isolation (Off-State) Note1
Cic
Input Capacitance Note2
Coc
Output Capacitance Note2
VSC=VDC=0, RS=RL=50
, IF=0, f
1GHz
VSC=VDC=0, RS=RL=50
, IF=0, f=1GHz
-
-1.3
-
dB
VSC=VDC=0, RS=RL=75
, IF=0, f
1GHz
-
-
-3.5
dB
VSC=VDC=3.3V, RS=RL=50
, IF=1mA, f 1GHz
-30
-
-
dB
VSC=VDC=3.3V, RS=RL=50
, IF=1mA, f= 1GHz
-
-38
-
dB
VSC=VDC=3.3V, RS=RL=75
, IF=1mA, f 1GHz
-30
-
-
dB
VSC=VDC=5V, IF=1mA, f=1MHz
-
1
-
pF
VSC=VDC=0, IF=0, f=1MHz
-
0.65
-
pF
VSC=VDC=5V, IF=1mA, f=1MHz
-
1
-
pF
VSC=VDC=0, IF=0, f=1MHz
-
0.65
-
pF
MIN
TYP
MAX
UNIT
V
Note : 1 IF=Diode Forward Current
2 Cic is the series connection of Csg and Cgc; Coc is the series connection of Cdg and Cgc;
DIODE ELECTRICAL CHARACTERISTICS (Ta=25
CHARACTERISTIC
SYMBOL
)
TEST CONDITIONS
Forward Voltage
VF
IF=2mA
-
-
0.85
Reverse Current
IR
VR=15V
-
-
0.1
Reverse Voltage
VR
IR=1
35
-
-
V
Total Capacitance
CT
VR=6V, f=1MHz
-
0.7
1.2
pF
Series Resistance
rS
IF=2mA, f=100MHz
-
0.5
0.9
Fig. S21(on) 2
S21(off)
2
Test Circuit
V
1nF
100kΩ
On-State : V=0V
Off-State : V=3.3V
47kΩ
50Ω
Input
50Ω
Output
1nF
1nF
4.7kΩ
100kΩ
V
2010. 2. 17
1nF
Revision No : 0
2/2