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TetraFET
D1034UK
METAL GATE RF SILICON FET
MECHANICAL DATA
B
A
E
C (2 pls)
K 12 34
FG
87 65
J
Typ .
D
M
Q
GOLD METALLISED
MULTI-PURPOSE SILICON
DMOS RF FET
80W – 28V – 500MHz
PUSH–PULL
FEATURES
• SIMPLIFIED AMPLIFIER DESIGN
PIN 1
PIN 3
PIN 5
PIN 7
PI N O H
DD
SOURCE (COMMON) PIN 2
DRAIN 2
PIN 4
SOURCE (COMMON) PIN 6
GATE 1
PIN 8
DRAIN 1
SOURCE (COMMON)
GATE 2
SOURCE (COMMON)
DIM mm
A 9.14
B 12.70
C 45°
D 6.86
E 0.76
F 9.78
G 19.05
H 4.19
I 3.17
J 1.52R
K 1.65R
M 16.51
N 22.86
O 0.13
P 6.35
Q 10.77
Tol. Inches Tol.
0.13 0.360 0.005
0.13 0.500 0.005
5° 45° 5°
0.13 0.270 0.005
0.13 0.030 0.005
0.13 0.385 0.005
0.25 0.750 0.010
0.13 0.165 0.005
0.13 0.125 0.005
0.13 0.060R 0.005
0.13 0.065R 0.005
0.13 0.650 0.005
0.13 0.900 0.005
0.02 0.005 0.001
0.64 0.250 0.025
0.13 0.424 0.005
• SUITABLE FOR BROAD BAND APPLICATIONS
• LOW Crss
• SIMPLE BIAS CIRCUITS
• LOW NOISE
• HIGH GAIN – 13 dB MINIMUM
APPLICATIONS
HF/VHF/UHF COMMUNICATIONS
from 1 MHz to 500 MHz
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated)
PD Power Dissipation
175W
BVDSS
Drain – Source Breakdown Voltage *
70V
BVGSS
Gate – Source Breakdown Voltage *
±20V
ID(sat)
Drain Current *
10A
Tstg Storage Temperature
–65 to 150°C
Tj Maximum Operating Junction Temperature
200°C
* Per Side
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
Document Number 5387
Issue 1

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D1034UK
ELECTRICAL CHARACTERISTICS (Tcase = 25°C unless otherwise stated)
Parameter
Test Conditions
Min.
DrainSource
BVDSS Breakdown Voltage
PER SIDE
VGS = 0
ID = 100mA
70
IDSS
Zero Gate Voltage
Drain Current
VDS = 28V
VGS = 0
IGSS Gate Leakage Current
VGS(th) Gate Threshold Voltage *
gfs Forward Transconductance *
GPS
η
Common Source Power Gain
Drain Efficiency
VSWR Load Mismatch Tolerance
VGS = 20V
VDS = 0
ID = 10mA
VDS = VGS
VDS = 10V
ID = 2A
TOTAL DEVICE
PO = 80W
VDS = 28V
IDQ = 0.8A
f = 500MHz
1
1.6
13
50
20:1
Ciss
Coss
Crss
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
PER SIDE
VDS = 28V VGS = 5V f = 1MHz
VDS = 28V VGS = 0 f = 1MHz
VDS = 28V VGS = 0 f = 1MHz
Typ.
Max. Unit
V
2 mA
1 µA
7V
S
dB
%
120 pF
60 pF
5 pF
* Pulse Test: Pulse Duration = 300 µs , Duty Cycle 2%
HAZARDOUS MATERIAL WARNING
The ceramic portion of the device between leads and metal flange is beryllium oxide. Beryllium oxide dust is highly
toxic and care must be taken during handling and mounting to avoid damage to this area.
THESE DEVICES MUST NEVER BE THROWN AWAY WITH GENERAL INDUSTRIAL OR DOMESTIC WASTE.
THERMAL DATA
RTHjcase
Thermal Resistance Junction Case
Max. 1°C / W
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
Document Number 5387
Issue 1