SD2942 STMicroelectronics, SD2942 Datasheet - Page 7

• Manufacturer Part Number: SD2942
• Description: TRANS RF N-CH HF/VHF/UHF M244
• Manufacturer: STMicroelectronics

Specifications of SD2942

• Transistor Type: N-Channel
• Frequency: 175MHz
• Gain: 17dB
• Voltage - Rated: 130V
• Current Rating: 40A
• Current - Test: 500mA
• Voltage - Test: 50V
• Power - Output: 350W
• Package / Case: M244
• Configuration: Single Dual Drain Dual Source Dual Gate
• Transistor Polarity: N-Channel
• Forward Transconductance Gfs (max / Min): 5 S
• Drain-source Breakdown Voltage: 130 V
• Gate-source Breakdown Voltage: +/- 20 V
• Continuous Drain Current: 40 A
• Power Dissipation: 500 W
• Maximum Operating Temperature: + 200 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 65 C
• Application: HF/VHF/UHF
• Channel Type: N
• Channel Mode: Enhancement
• Drain Source Voltage (max): 130V
• Output Power (max): 350W
• Power Gain (typ)@vds: 17dB
• Frequency (max): 250MHz
• Package Type: Case M-244
• Pin Count: 4 +Tab
• Forward Transconductance (typ): 5(Min)S
• Input Capacitance (typ)@vds: 415@50VpF
• Output Capacitance (typ)@vds: 236@50VpF
• Reverse Capacitance (typ): 17@50VpF
• Operating Temp Range: -65C to 200C
• Drain Efficiency (typ): 61%
• Mounting: Surface Mount
• Number Of Elements: 1
• Power Dissipation (max): 500000mW
• Vswr (max): 5(Min)
• Screening Level: Military
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Noise Figure: -
• Lead Free Status / Rohs Status: Details
• Other names: 497-5471; SD2942

SD2942
Figure 7.
Figure 9.
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Efficiency vs case temperature
Pout vs input power and drain
voltage
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Pout (W)
Pin (W)
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250
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+25°C
50V
+80°C
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350
Vdd = 50V
Idq = 2 x 250mA
Freq = 175 MHz
Freq = 175 MHz
Idq = 2 x 250mA
400
-20°C
40V
450
Doc ID 11736 Rev 3
500
Figure 8.
Figure 10. Pout vs gate voltage and case
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Pout vs input power and case
temperature
temperature
3
-2
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-1
5
-20°C
Pin (W)
Vgs (V)
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0
7
Typical performance
8
1
9
+25°C
- 20°C
Freq = 175 MHz
Idq = 2 x 250mA
Pin = 7W
Vdd = 50V
Idq = 2 x 250mA
Freq = 175 MHz
2
10
+80°C
+80°C
11
+25°C
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4
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