BF998 datasheet(5/8 Pages) SIEMENS

Part #	BF998

Description	Silicon N Channel MOSFET Tetrode (Short-channel transistor with high S/C quality factor For low-noise, gain-controlled input stages up to 1 GHz)

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Manufacturer	SIEMENS [Siemens Semiconductor Group]

Direct Link	http://www.siemens.com/

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5 / 8 page

BF 998

Semiconductor Group

5

Gate 1 forward transconductance

gfs1 = f (ID)

VDS = 8 V, IDSS = 10 mA, f = 1 kHz

Gate 2 input capacitance Cg2ss = f (VG2S)

VG1S = 0 V, VDS = 8 V

IDSS = 10 mA, f = 1 MHz

Gate 1 input capacitance Cg1ss = f (VG1S)

VG2S = 4 V, VDS = 8 V, IDSS = 10 mA,

f = 1 MHz

Output capacitance Cdss = f (VDS)

VG1S = 0 V, VG2S = 4 V

IDSS = 10 mA, f = 1 MHz

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