TGF4112 TriQuint, TGF4112 Datasheet - Page 7

• Manufacturer Part Number: TGF4112
• Description: RF GaAs DC-8.0GHz 5 Watt HFET
• Manufacturer: TriQuint

Specifications of TGF4112

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1004414

Tch = 1.67 + 9.72
(Predicted Channel Temperature equation for the given assembly stack up)
This model assumes a perfect solder connection (no voids) between the FET and the carrier plate.
350
300
250
200
150
100
TriQuint Semiconductor Texas: Phone [phone] Fax [phone] Web: www.triquint.com
250
240
230
220
210
200
190
180
170
160
150
140
130
120
110
100
90
80
70
60
50
0
25
x
Thermal Model of TGF4112-EPU
1
Pd + 0.288
35
Predicted Channel Temperature vs Base Plate Temperature
With a .020" CM15 (15/85 Copper Molybdenum) carrier plate
2
45
solder attached using 0.0015" AuSn (80/20) solder
HFET Channel Temperature vs Median Life
x
Pd
3
2
55
+ (1.00 + 0.0289
Base Plate Temperature (°C)
Median Life (10^X Hours)
4
65
5
75
x
Pd + 0.000544
6
85
7
95
x
Pd
2
)
105
8
x
Tbase
Pd = 3.5 Watts
Pd = 7 Watts
115
9
10
125
7