DATA SHEET
MES FIELD EFFECT TRANSISTOR
3SK177
RF AMP. FOR UHF TV TUNER
N-CHANNEL GaAs DUAL-GATE MES FIELD-EFFECT TRANSISTOR
4 PIN MINI MOLD
FEATURES
鈥?Suitable for use as RF amplifier in UHF TV tuner.
鈥?Low C
rss
: 0.02 pF TYP.
鈥?High G
PS
: 20 dB TYP.
鈥?Low NF : 1.1 dB TYP.
PACKAGE DIMENSIONS
in millimeters
0.4
+0.1
鈥?.05
1.5
+0.2
鈥?.1
2
3
4
5藲
0.4
+0.1
鈥?.05
0.16
+0.1
鈥?.06
5藲
1. Source
2. Drain
3. Gate 2
4. Gate 1
5藲
TEST CONDITIONS
V
G1S
= 鈥? V, V
G2S
= 0, I
D
= 10
碌
A
V
DS
= 5 V, V
G2S
= 0, V
G1S
= 0
V
DS
= 5 V, V
G2S
= 0, I
D
= 100
碌
A
V
DS
= 5 V, V
G1S
= 0, I
D
= 100
碌
A
V
DS
= 0, V
G1S
= 鈥? V, V
G2S
= 0
V
DS
= 0, V
G2S
= 鈥? V, V
G1S
= 0
V
DS
= 5 V, V
G2S
= 1 V, I
D
= 10 mA,
f = 1.0 kHz
V
DS
= 5 V, V
G2S
= 1 V, I
D
= 10 mA,
f = 1 MHz
V
DS
= 5 V, V
G2S
= 1 V, I
D
= 10 mA,
f = 900 MHz
0 to 0.1
(1.9)
0.6
+0.1
鈥?.05
1
5藲
0.4
+0.1
鈥?.05
2.8
+0.2
鈥?.3
ABSOLUTE MAXIMUM RATINGS (T
A
= 25 藲C)
Drain to Source Voltage
Gate 1 to Source Voltage
Gate2 to Source Voltage
Drain Current
Total Power Dissipation
Channel Temperature
Storage Temperature
V
DSX
V
G1S
V
G2S
I
D
P
T
T
ch
T
stg
13
鈥?.5
鈥?.5
40
200
125
鈥?5 to +125
V
V
V
mA
mW
藲C
藲C
+0.2
1.1
鈥?.1
ELECTRICAL CHARACTERISTICS (T
A
= 25 藲C)
CHARACTERISTIC
Drain to Source Breakdown Voltage
Drain Current
Gate1 to Source Cutoff Voltage
Gate2 TO Source Cutoff Voltage
Gate1 Reverse Current
Gate2 Reverse Current
Forward Transter Admittance
SYMBOL
BV
DSX
I
DSS
V
G1S(off)
V
G2S(off)
I
G1SS
I
G2SS
| y
fs
|
18
25
MIN.
13
5
20
40
鈥?.5
鈥?.5
10
10
35
TYP.
MAX.
UNIT
V
mA
V
V
碌
A
碌
A
ms
Input Capacitance
Reverse Transfer Capacitance
Power Gain
Noise Figure
C
iss
C
rss
G
PS
NF
0.5
1.0
0.02
1.5
0.03
pF
pF
dB
16.0
20.0
1.1
2.5
dB
I
DSS
Classification
Class
Marking
I
DSS
U71
U71
5 to 15
U72
U72
10 to 25
U73
U73
20 to 35
Unit: mA
U74
U74
30 to 40
Document No. P10412EJ1V0DS00 (1st edition)
(Previous No. TN-1877)
Date Published August 1995 P
Printed in Japan
0.8
29.02
(1.8)
0.850.95
漏
1995