CGH40120F

7

Rev 4.1 - March 2020

4600 Silicon Drive | Durham, NC 27703 | wolfspeed.com

CGH40120F CW Power Dissipation De-rating Curve

Frequency

Z Source

Z Load

500

2 + j3.3

5.14 + j0.04

1000

0.81 + j0.18

4.68 - j0.26

1500

0.75 - j1.56

3.44 - j0.77

2000

0.84 - j3

2.34 - j0.95

2500

1.2 - j4.43

2.7 - j2.56

3000

1.09 - j5.9

3.06 - j3.82

Source and Load Impedances

Note 1. Area exceeds Maximum Case Operating Temperature (See Page 2)

Maximum Case Temperature (°C)

D

Z Source

Z Load

G

S

60

80

100

120

CGH40120F Power Dissipation De-Rating Curve

0

20

40

0

25

50

75

100

125

150

175

200

225

250

Maximum Temperature (°C)

Note 1

Note 1. V

DD = 28V, IDQ = 1.0 A in the 440193 package.

Note 2. Optimized for power gain, P

SAT and PAE.

Note 3. When using this device at low frequency, series resistors should be used to maintain amplifier stability.