3SK176A Datasheet, PDF (1/6 Pages) NEC – RF AMP. AND MIXER FOR CATV TUNER N-CHANNEL Si DUAL GATE MOS FIELD-EFFECT TRANSISTOR 4 PINS MINI MOLD

DATA SHEET
MOS FIELD EFFECT TRANSISTOR
3SK176A
RF AMP. AND MIXER FOR CATV TUNER
N-CHANNEL Si DUAL GATE MOS FIELD-EFFECT TRANSISTOR
4 PINS MINI MOLD
FEATURES
• High Power Gain:
GPS = 24 dB TYP. (f = 470 MHz)
• Low Noise Figure:
NF = 2.0 dB TYP. (f = 470 MHz)
NF = 1.0 dB TYP. (f = 55 MHz)
• Automatically Mounting: Embossed Type Taping
• Suitable for use as RF amplifier and Mixer in CATV tuner.
• Small Package:
4 Pins Mini Mold
PACKAGE DIMENSIONS
(Unit: mm)
2.8^{+–00..12}
1.5^{+–00..12}
ABSOLUTE MAXIMUM RATINGS (TA = 25 °C)
Drain to Source Voltage
VDSX
18
V
Gate1 to Source Voltage
VG1S ±8 (±10)*
V
Gate2 to Source Voltage
VG2S ±8 (±10)*
V
Drain Current
ID
25
mA
Total Power Dissipation
PD
200
mW
Channel Temperature
Tch
125
°C
Storage Temperature
Tstg –55 to +125 °C
* RL ≥ 10 kΩ
ELECTRICAL CHARACTERISTICS (TA = 25 °C)
CHARACTERISTIC
SYMBOL
Drain to Source Breakdown
Voltage
BVDSX
Drain Current
IDSX
Gate1 to Source Cutoff Voltage VG1S(off)
Gate2 to Source Cutoff Voltage VG2S(off)
Gate1 Reverse Current
IG1SS
Gate2 Reverse Current
IG2SS
Forward Transfer Admittance | yfs |
MIN.
18
1.0
0
0
22
TYP.
25.5
MAX.
10
+1.0
+1.0
±20
±20
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Power Gain
Noise Figure 1
Noise Figure 2
Ciss
Coss
Crss
GPS
NF1
NF2
2.2
1.3
21.0
2.7
1.6
0.015
24.0
2.0
1.0
3.2
1.9
0.03
3.5
2.5
5° 5°
5° 5°
1. Source
2. Drain
3. Gate2
4. Gate1
UNIT
V
TEST CONDITIONS
VG1S = VG2S = –2 V, ID = 10 µA
mA
VDS = 5 V, VG1S = 0.75 V, VG2S = 4 V
V
VDS = 6 V, VG2S = 3 V, ID = 10 µA
V
VDS = 6 V, VG1S = 3 V, ID = 10 µA
nA
VDS = 0, VG2S = 0, VG1S = ±10 V
nA
VDS = 0, VG1S = 0, VG2S = ±10 V
mS VDS = 5 V, VG2S = 4 V, ID = 10 mA
f = 1 kHz
pF
VDS = 6 V, VG2S = 3 V, ID = 10 mA
pF f = 1 MHz
pF
dB VDS = 6 V, VG2S = 3 V, ID = 10 mA
dB f = 470 MHz
dB VDS = 6 V, VG2S = 3 V, ID = 10 mA
f = 55 MHz
IDSX Classification
Class
Marking
IDSX (mA)
U87/UHG*
U87
1.0 to 6.0
U88/UHH*
U88
4.0 to 10.0
* Old Specification/New Specification
Document No. P10567EJ2V0DS00 (2nd edition)
(Previous No. TD-2263)
Date Published August 1995 P
Printed in Japan
©
199859