SD2931-10 STMicroelectronics, SD2931-10 Datasheet - Page 12

• Manufacturer Part Number: SD2931-10
• Description: TRANS RF N-CH HF/VHF/UHF M174
• Manufacturer: STMicroelectronics

Specifications of SD2931-10

• Transistor Type: N-Channel
• Frequency: 175MHz
• Gain: 15dB
• Voltage - Rated: 125V
• Current Rating: 20A
• Current - Test: 250mA
• Voltage - Test: 50V
• Power - Output: 150W
• Package / Case: M174
• Configuration: Single Dual Source
• Transistor Polarity: N-Channel
• Drain-source Breakdown Voltage: 125 V
• Gate-source Breakdown Voltage: +/- 20 V
• Continuous Drain Current: 20 A
• Power Dissipation: 389000 mW
• 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): 125V
• Output Power (max): 150W
• Power Gain (typ)@vds: 15dB
• Frequency (max): 230MHz
• Package Type: Case M-174
• Pin Count: 4 +Tab
• Forward Transconductance (typ): 6S
• Input Capacitance (typ)@vds: 480@50VpF
• Output Capacitance (typ)@vds: 190@50VpF
• Reverse Capacitance (typ): 18@50VpF
• Operating Temp Range: -65C to 200C
• Drain Efficiency (typ): 65%
• Mounting: Screw
• Number Of Elements: 1
• Power Dissipation (max): 389000mW
• Vswr (max): 10(Min)
• Screening Level: Military
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Noise Figure: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-5467; SD2931-10

Test circuit @ 30 MHz
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Test circuit @ 30 MHz
Figure 22. 30 MHz test circuit schematic (engineering test circuit)
Figure 23. 30 MHz test circuit component part list
C9, C11,C12,C13
C1,C4,C6,C7,C8,
Symbol
R1, R3
C2, C3
RFC1
PCB
FB1
FB2
FB3
C10
C14
R2
C5
T1
T2
9:1 transformer, 25 Ω flexible coax with extra shield .090 OD 15” long
1:4 transformer, 50 Ω flexible coax .225 OD 15” long
Toroid 1.7” OD .30” ID 220 µ 4 turns
Surface mount EMI shield bead
Toroid 1.7” OD .300” ID 220µ 3 turns
Toroid 0.5” OD 0.30” ID 125µ 4 turns 12 awg wire
0.62” Woven Fiberglass, 1 oz. Copper, 2 Sides, εr = 2.55
1 KΩ 1 W chip resistor
680 Ω 3 W wirewound resistor
0.1 µF ATC chip cap
750 pF ATC chip cap
470 pF ATC chip cap
10 µF 63 V electrolytic capacitor
100 µF 63 V electrolytic capacitor
Doc ID 7076 Rev 7
Description
SD2931-10