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BF998 Datasheet

Download or read online Philips Semiconductors BF998 Silicon N-channel dual-gate MOS-FETs pdf datasheet.



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DISCRETE SEMICONDUCTORS
DATA SHEET
BF998; BF998R
Silicon N-channel dual-gate
MOS-FETs
Product specification
Supersedes data of April 1991
File under Discrete Semiconductors, SC07
1996 Aug 01

Summary of Contents

Page 1

... DISCRETE SEMICONDUCTORS DATA SHEET BF998; BF998R Silicon N-channel dual-gate MOS-FETs Product specification Supersedes data of April 1991 File under Discrete Semiconductors, SC07 1996 Aug 01 ...

Page 2

... Product specification BF998; BF998R Top view MAM039 Fig.1 Simplified outline (SOT143) and symbol; BF998 Top view MAM040 Fig.2 Simplified outline (SOT143R) and symbol; BF998R. TYP. MAX 200 24 2 150 s s,b UNIT V mA ...

Page 3

... D I gate 1 current G1 I gate 2 current G2 P total power dissipation; BF998 tot P total power dissipation; BF998R tot T storage temperature stg T operating junction temperature j Notes 1. Device mounted on a ceramic substrate Device mounted on a printed-circuit board. handbook, halfpage 200 ...

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... Silicon N-channel dual-gate MOS-FETs THERMAL CHARACTERISTICS SYMBOL R thermal resistance from junction to ambient in free air; BF998 th j-a R thermal resistance from junction to ambient in free air; BF998R note 1 th j-a Notes 1. Device mounted on a ceramic substrate Device mounted on a printed-circuit board. STATIC CHARACTERISTICS unless otherwise specified. ...

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... V G1-S 0.4 V 0.3 V 0 0.1 V 0.2 V 0.3 V 0 (V) MGE814 handbook, halfpage max typ min 400 0 400 V G1 (mV) 5 BF998; BF998R (mA amb Fig.6 Transfer characteristics; typical values (mS ...

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... Aug 01 MGE812 handbook, halfpage V G2 (V) V MGE809 handbook, halfpage 0 0.8 V G1-S ( BF998; BF998R 1 (pF) 1.4 1.3 1.2 1.1 1 MHz G2-S amb Fig.10 Output capacitance as a function of drain-source voltage; typical values. 2.4 ...

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... Aug 01 MGC466 (MHz MGC468 (deg (MHz BF998; BF998R mA G2-S D amb Fig.14 Reverse transfer admittance and phase as a function of frequency ...

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... 330 k BB405 100 tun input 0.5 mS. C1 adjusted for G L Fig.17 Gain control test circuit 200 MHz. 8 Product specification BF998; BF998R 1.8 k output 360 330 k BB405 ...

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... cm, silvered 0.5 mm copper wire above ground plane. 1996 Aug 01 V agc 1 nF 140 270 0.5 to 3 Fig.18 Gain control test circuit 800 MHz. 9 BF998; BF998R 0 3.5 pF 360 Product specification 50 output MGE801 ...

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... 200 MHz amb Fig.19 Automatic gain control characteristics measured in circuit of Fig.17. 1996 Aug 01 MGE808 handbook, halfpage agc ( BF998; BF998R (dB) I DSS 10 max typ min 800 MHz ...

Page 11

... TOP VIEW Fig.21 SOT143. 3.0 2.8 0.150 1.9 0.090 3 0.1 max o 10 max 2 0.48 o 0.38 30 max 1.7 0 TOP VIEW Fig.22 SOT143R. 11 BF998; BF998R 3.0 B 2.8 1.9 0 2.5 1.4 max 1 MBC845 0 0.48 0 2.5 1.4 max 1.2 1 0.88 0.78 MBC844 Product specification ...

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... Philips customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. 1996 Aug 01 12 Product specification BF998; BF998R ...

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