BF998B-GS18 Vishay, BF998B-GS18 Datasheet - Page 7

• Manufacturer Part Number: BF998B-GS18
• Manufacturer: Vishay

Specifications of BF998B-GS18

• Application: UHF
• Channel Type: N
• Channel Mode: Depletion
• Continuous Drain Current: 0.03A
• Drain Source Voltage (max): 12V
• Power Gain (typ)@vds: 28@8VdB
• Noise Figure (max): 1.5(Typ)dB
• Package Type: SOT-143
• Pin Count: 3 +Tab
• Forward Transconductance (typ): 0.024S
• Input Capacitance (typ)@vds: 2.1@8V@Gate 1/1.1@8V@Gate 2pF
• Output Capacitance (typ)@vds: 1.05@8VpF
• Reverse Capacitance (typ): 0.025@8VpF
• Operating Temp Range: -65C to 150C
• Mounting: Surface Mount
• Number Of Elements: 1
• Power Dissipation (max): 200mW
• Screening Level: Military
• Lead Free Status / Rohs Status: Compliant

Package Dimensions of SOT143 in mm
Package Dimensions of SOT143R in mm
Document Number 85011
Rev. 1.6, 31-Aug-05
0.65 (0.025)
0.50(0.020)
0.35 (0.014)
Mounting Pad Layout
1.8 (0.070)
1.6 (0.062)
2.0 (0.078)
1.8 (0.070)
3.0 (0.117)
2.8 (0.109)
1.17 (0.046)
0.9 (0.035)
0.75 (0.029)
BF998 / BF998R / BF998RW
0.15 (0.006)
0.08 (0.003)
0...0.1 (0...0.004)
ISO Method E
96 12240
1.1 (0.043)
0.9 (0.035)
Vishay Semiconductors
96 12239
www.vishay.com
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