BF998.
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.
Silicon N_Channel MOSFET Tetrode • Short-channel
transistor with high S / C quality factor • For low-noise, gain-controlled input stage up to 1 GHz
ESD: Electrostatic discharge sensitive device, observe handling precaution! Type Package Pin Configuration Marking
BF998 BF998R BF998W
SOT143 SOT143R SOT343
1=S 1=D 1=D
2=D 2=S 2=S
3=G2 3=G1 3=G1
4=G1 4=G2 4=G2
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MOs MRs MR
Maximum Ratings Parameter Drain-source voltage Continuous drain current Gate 1/ gate 2-source current Total power dissipation TS ≤ 76 °C, BF998, BF998R TS ≤ 94 °C, BF998W Storage temperature Channel temperature Thermal Resistance Parameter Channel - soldering point 1) BF998, BF998R BF998W
1For calculation ...