DIM
Millimetres
Tol.
Inches
Tol.
A
19.05
0.50
0.75
0.020
B
10.77
0.13
0.424
0.005
C
45
5
45
5
D
9.78
0.13
0.385
0.005
E
5.71
0.13
0.225
0.005
F
27.94
0.13
1.100
0.005
G
1.52R
0.13
0.060R
0.005
H
10.16
0.13
0.400
0.005
I
22.22
MAX
0.875
MAX
J
0.13
0.02
0.005
0.001
K
2.72
0.13
0.107
0.005
M
1.70
0.13
0.067
0.005
N
5.08
0.50
0.200
0.020
O
34.03
0.13
1.340
0.005
P
1.61R
0.08
0.064R
0.003
D5028UK
Document Number 3140
Issue 1
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
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.
P
D
Power Dissipation
BV
DSS
Drain Source Breakdown Voltage*
BV
GSS
Gate Source Breakdown Voltage*
I
D(sat)
Drain Current*
T
stg
Storage Temperature
T
j
Maximum Operating Junction Temperature
438W
125V
20V
18A
65 to 150C
200C
MECHANICAL DATA
M
K
J
I
O
N
A
C
(2 pls)
D
F
E
(4 pls)
B
G
(typ)
P
(2 pls)
1
5
4
3
2
H
GOLD METALLISED
MULTI-PURPOSE SILICON
DMOS RF FET
300W 50V 175MHz
PUSHPULL
FEATURES
SIMPLIFIED AMPLIFIER DESIGN
SUITABLE FOR BROAD BAND APPLICATIONS
LOW C
rss
SIMPLE BIAS CIRCUITS
LOW NOISE
HIGH GAIN 13 dB MINIMUM
DR
PIN 1
SOURCE (COMMON)
PIN 2
DRAIN 1
PIN 3
DRAIN 2
PIN 4
GATE 2
PIN 5
GATE 1
ABSOLUTE MAXIMUM RATINGS
(T
case
= 25C unless otherwise stated)
APPLICATIONS
VHF/UHF COMMUNICATIONS
from 1 MHz to 200 MHz
METAL GATE RF SILICON FET
TetraFET
* Per Side
D5028UK
Document Number 3140
Issue 1
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
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.
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
125
6
1
1
7
4.8
0.1
13
60
20:1
360
150
9
V
GS
= 0
I
D
= 100mA
V
DS
= 50V
V
GS
= 0
V
GS
= 20V
V
DS
= 0
I
D
= 10mA
V
DS
= V
GS
V
DS
= 10V
I
D
= 3A
I
D
= 10mA
V
DS
= V
GS
P
O
= 300W
V
DS
= 50V
I
DQ
= 1.2A
f = 175MHz
V
DS
= 50V
V
GS
= 5V f = 1MHz
V
DS
= 50V
V
GS
= 0
f = 1MHz
V
DS
= 50V
V
GS
= 0
f = 1MHz
V
mA
A
V
mhos
V
dB
%
--
pF
pF
pF
ELECTRICAL CHARACTERISTICS
(T
case
= 25C unless otherwise stated)
DrainSource Breakdown
Voltage
Zero Gate Voltage
Drain Current
Gate Leakage Current
Gate Threshold Voltage*
Forward Transconductance*
Gate Threshold Voltage
Matching Between Sides
Common Source Power Gain
Drain Efficiency
Load Mismatch Tolerance
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
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.
R
THjcase
Thermal Resistance Junction Case
Max. 0.4C / W
THERMAL DATA
* Pulse Test:
Pulse Duration = 300
s , Duty Cycle
2%
TOTAL DEVICE
PER SIDE
PER SIDE
BV
DSS
I
DSS
I
GSS
V
GS(th)
g
fs
V
GS(th)match
G
PS
VSWR
C
iss
C
oss
C
rss
D5028UK
Document Number 3140
Issue 1
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
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.
3LQ:
3RXW
:
(IILFLHQF\
3RXW
'UDLQ(IILFLHQF\
9GV 9
,GT $
I 0+]
3LQ:
3RXW
:
*DLQ
G%
3RXW
*DLQ
9GV 9
,GT $
I 0+]
Figure 1 Power Output and Efficiency
vs. Power Input.
Figure 2 Power Output & Gain
vs. Power Input.
3RXW:3(3
,0'
G%F
,0'
I 0+]
I 0+]
,GT $
9GV 9
Figure 3 IMD vs. Output Power.
Frequency
Z
S
Z
L
MHz
175
6.1 + j1
6.7 + j2.9
D5028UK
OPTIMUM SOURCE AND LOAD IMPEDANCE
@ 300W / 50V
D5028UK
Document Number 3140
Issue 1
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
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.
!Freq
S11
S21
S12
S22
!Mhz
mag
ang
mag
ang
mag
ang
mag
ang
30
0.909 -146.2
14.21 101.4
0.015
14.9
0.497 -129.4
40
0.92
-153
10.87
92.2
0.015
7.4
0.515 -133.8
50
0.923 -157.9
8.804
85.8
0.015
2.6
0.545
-136
60
0.926 -160.9
7.352
79.3
0.015
-2.5
0.573 -138.4
70
0.936 -163.2
6.258
73.6
0.014
-6.5
0.613 -139.8
80
0.94 -165.1
5.381
67.8
0.013
-10.3
0.639 -141.6
90
0.941 -166.8
4.653
63.2
0.013
-13
0.669 -143.1
100
0.944 -167.9
4.022
58.8
0.011
-14.9
0.698 -144.2
110
0.946 -168.9
3.519
55.1
0.011
-15.2
0.726 -146.2
120
0.95 -169.1
3.099
51.4
0.01
-15.6
0.749 -147.5
130
0.955 -170.1
2.763
49.5
0.009
-14.2
0.773 -148.2
140
0.962 -171.1
2.501
47.3
0.009
-13.2
0.783 -149.7
150
0.961 -171.3
2.278
44.9
0.008
-11.9
0.806 -151.3
160
0.964 -173.2
2.092
41.5
0.007
-11.7
0.821 -152.3
170
0.963 -172.4
1.904
38
0.007
-10
0.839 -153.4
180
0.962 -173.1
1.706
34.6
0.006
-5.7
0.846 -154.7
190
0.97 -173.7
1.529
33.2
0.006
0.2
0.857
-156
200
0.974 -173.7
1.396
33
0.005
7.7
0.872 -156.2
210
0.974 -174.6
1.292
32.4
0.005
15.6
0.884 -157.3
220
0.974 -174.6
1.2
30.9
0.005
22.4
0.889 -158.5
230
0.974 -175.2
1.118
29
0.005
29
0.902 -159.4
240
0.98 -175.2
1.046
27.3
0.005
36.1
0.906 -159.9
250
0.977 -175.6
0.981
25.7
0.005
42.9
0.911 -159.9
260
0.978
-176
0.93
25.2
0.005
49.7
0.918 -161.2
270
0.983 -176.2
0.875
23.4
0.006
55.1
0.925 -161.3
280
0.984 -175.9
0.817
21.7
0.006
59.8
0.928 -162.5
290
0.984 -176.7
0.753
19.1
0.007
61.9
0.933 -162.6
300
0.983
-177
0.692
18.6
0.007
64.6
0.938 -163.5
310
0.986
-177
0.648
18.5
0.008
67.8
0.941 -163.6
320
0.985 -177.4
0.622
19.7
0.008
71.5
0.947 -164.5
330
0.985 -177.5
0.61
19.4
0.009
73.8
0.948 -164.3
340
0.987 -177.9
0.593
17.1
0.01
73.5
0.949 -164.9
350
0.988 -178.2
0.558
14.2
0.01
72.2
0.954 -165.6
360
0.986 -178.2
0.51
11.7
0.01
72
0.954 -165.6
370
0.988 -178.7
0.468
11.3
0.01
73.1
0.956 -166.2
380
0.987 -178.6
0.438
12.1
0.01
76.3
0.957 -166.6
390
0.99 -178.8
0.412
13.1
0.011
78.9
0.96 -166.9
400
0.99 -179.3
0.399
17.8
0.012
83.7
0.963
-167
410
0.988 -178.9
0.42
16.5
0.013
84.4
0.963
-167
420
0.988 -179.8
0.409
12.3
0.014
81.5
0.964
-168
430
0.988 -179.9
0.385
8.8
0.014
78.9
0.966 -167.8
440
0.986 -179.5
0.355
7.9
0.014
79.8
0.971
-168
450
0.992 179.9
0.333
8.6
0.015
81
0.973 -167.8
460
0.99 -179.8
0.317
9.6
0.015
82.6
0.969 -168.7
470
0.991 179.9
0.307
10.5
0.016
83.7
0.972 -168.6
480
0.99
179.2
0.299
10.8
0.017
83.8
0.972 -169.3
490
0.99
179.1
0.293
10.4
0.018
83.2
0.977 -168.7
500
0.988 178.9
0.286
9.2
0.018
82.1
0.973 -169.2
!
Vds=50V
Idq=0.6A
# MHZ S MA R 50
Typical S Parameters
D5028UK
Document Number 3140
Issue 1
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
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.
S)
'8.
S)
'8.
X
X
/
S)
X
S)
S)
S)
/
X
Q)
Q)
.
.
S)
7;
7;
0
0
0
0
5)RXW
'UDLQ%LDV
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*DWH%LDV
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/WXUQVDZJHQDPHOOHGZLUHRQ$[KROHFRUH
/WXUQVDZJHQDPHOOHGZLUHPPLQWHUQDOGLDPHWHU
7;WUDQVIRUPHUWXUQVRIVHPLULJLGFRD[DURXQGSRZGHUHGLURQFRUH
7;WUDQVIRUPHUWXUQVRIVHPLULJLGFRD[DURXQGSRZGHUHGLURQFRUH
D5028UK 175MHz TEST FIXTURE
PDF 
ZIP