D1208UK - Farnell

TetraFET
D1208UK
ROHS COMPLIANT METAL GATE RF SILICON FET
MECHANICAL DATA
GOLD METALLISED
MULTI-PURPOSE SILICON
DMOS RF FET
40W – 12.5V – 500MHz
PUSH–PULL
A
C
B
(2 pls)
K
3
2
1
E
D
5
4
G (4 pls)
F
O
FEATURES
H
M
I
J
N
DK
PIN 1
SOURCE (COMMON) PIN 2
DRAIN 1
PIN 3
DRAIN 2
GATE 2
PIN 5
GATE 1
DIM
A
B
C
D
E
F
G
H
I
J
K
M
N
O
PIN 4
• SIMPLIFIED AMPLIFIER DESIGN
• SUITABLE FOR BROAD BAND APPLICATIONS
• LOW Crss
• SIMPLE BIAS CIRCUITS
mm
6.45
1.65R
45°
16.51
6.47
18.41
1.52
5.08
24.76
1.52
0.81R
0.10
2.16
12.80
Tol.
0.13
0.13
5°
0.76
0.13
0.13
0.13
max
0.13
0.13
0.13
0.02
0.13
max
Inches
0.254
0.065R
45°
0.650
0.255
0.725
0.060
0.200
0.975
0.060
0.032R
0.004
0.085
0.504
Tol.
0.005
0.005
5°
0.03
0.005
0.005
0.005
max
0.005
0.005
0.005
0.001
0.005
max
• LOW NOISE
• HIGH GAIN – 10 dB MINIMUM
APPLICATIONS
• HF/VHF/UHF COMMUNICATIONS
from 1 MHz to 500 MHz
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated)
PD
BVDSS
BVGSS
ID(sat)
Tstg
Tj
Power Dissipation
Drain – Source Breakdown Voltage*
Gate – Source Breakdown Voltage*
Drain Current*
Storage Temperature
Maximum Operating Junction Temperature
175W
40V
±20V
20A
–65 to 150°C
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.
Website: http://www.semelab.co.uk
E-mail: sales@semelab.co.uk
Document Number 3204
Issue 3
D1208UK
ELECTRICAL CHARACTERISTICS (Tcase = 25°C unless otherwise stated)
Parameter
Test Conditions
Min.
Typ.
Max. Unit
PER SIDE
BVDSS
Drain–Source
V
VGS = 0
ID = 100mA
VDS = 12.5V
VGS = 0
2
mA
VGS = 20V
VDS = 0
1
μA
VGS(th) Gate Threshold Voltage*
ID = 10mA
VDS = VGS
7
V
gfs
Forward Transconductance*
VDS = 10V
ID = 2A
GPS
Common Source Power Gain
PO = 40W
η
Drain Efficiency
VDS = 12.5V
VSWR Load Mismatch Tolerance
f = 400MHz
IDSS
IGSS
Breakdown Voltage
Zero Gate Voltage
Drain Current
Gate Leakage Current
40
1
1.6
S
10
dB
50
%
20:1
—
TOTAL DEVICE
IDQ = 1.6A
PER SIDE
Ciss
Input Capacitance
VDS = 0V
Coss
Output Capacitance
VDS = 12.5V VGS = 0
Crss
Reverse Transfer Capacitance
VDS = 12.5V VGS = 0
* Pulse Test:
120
pF
f = 1MHz
80
pF
f = 1MHz
8
pF
VGS = –5V f = 1MHz
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
RTHj–case
Thermal Resistance Junction – Case
Max. 1.0°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.
Website: http://www.semelab.co.uk
E-mail: sales@semelab.co.uk
Document Number 3204
Issue 3
D1208UK
(IILFLHQF\
*DLQG%
9GV 9
,GT $
I 0+]
3RXW:
9GV 9
,GT $
I 0+]
3RXW:
Figure 2 - Efficiency vs Power Output
Figure 1- Gain vs. Power Output
,0'
G%F
OPTIMUM SOURCE AND LOAD IMPEDANCE
I 0+]
I 0+]
9GV 9
,GT $
Frequency
MHz
ZS
ZL
Ω
Ω
400
1.5 + j1.2
1.9 - j1.1
3RXW:3(3
Figure 3 - IMD vs Power Output
Typical S Parameters
!
#
VDS = 12.5V, IDQ = 0.4A
MHZ S MA R 50
Freq
MHz
70
100
150
200
250
300
350
400
450
500
550
600
650
700
S11
mag
0.71
0.75
0.81
0.85
0.88
0.90
0.91
0.92
0.93
0.93
0.94
0.95
0.95
0.96
S21
ang
-151.2
-156.2
-162.7
-167.4
-171.0
-173.9
-175.1
-177.9
-179.7
178.1
175.9
174.2
172.2
170.9
mag
9.5
6.1
3.7
2.4
1.7
1.3
1.0
0.8
0.7
0.6
0.5
0.4
0.3
0.2
S12
ang
73.1
62.2
50.4
44.0
36.6
34.5
26.0
23.4
17.6
13.3
8.2
2.5
8.9
19.2
mag
0.019
0.016
0.012
0.009
0.008
0.009
0.010
0.014
0.017
0.021
0.023
0.028
0.029
0.034
S22
ang
-9.1
-13.2
-12.8
0.4
20.8
49.0
60.6
70.2
75.0
77.9
78.5
77.1
80.6
76.8
mag
0.77
0.79
0.83
0.86
0.88
0.89
0.90
0.91
0.92
0.93
0.93
0.94
0.95
0.95
ang
-163.9
-166.0
-169.7
-172.8
-175.3
-176.6
-178.7
-180.0
178.6
176.8
175.4
174.4
172.9
171.8
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.
Website: http://www.semelab.co.uk
E-mail: sales@semelab.co.uk
Document Number 3204
Issue 3
D1208UK
22
20
18
Vg=20V
Vg=18 V
Vg=16 V
Vg=14 V
Vg=12 V
Vg=10 V
Vg=8V
Vg=6 V
16
IDS (A)
14
12
10
8
6
4
2
0
0.00
5.00
10.00
15.00
20.00
25.00
30.00
VDS (V)
Figure 4 – Typical IV Characteristics.
Capacitance pF
1000
100
Coss, pF
Ciss, pF
Crss, pF
10
1
0
3
6
Vds V
9
12
15
Figure 5 – Typical CV Characteristics.
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.
Website: http://www.semelab.co.uk
E-mail: sales@semelab.co.uk
Document Number 3204
Issue 3
D1208UK
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D1208UK 400MHz Test Fixture
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.
Website: http://www.semelab.co.uk
E-mail: sales@semelab.co.uk
Document Number 3204
Issue 3