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BFQ621

NXP
Part Number BFQ621
Manufacturer NXP
Description NPN 7 GHz wideband transistor
Published Mar 23, 2005
Detailed Description DISCRETE SEMICONDUCTORS DATA SHEET BFQ621 NPN 7 GHz wideband transistor Product specification Supersedes data of 1995 A...
Datasheet PDF File BFQ621 PDF File

BFQ621
BFQ621

Overview
DISCRETE SEMICONDUCTORS DATA SHEET BFQ621 NPN 7 GHz wideband transistor Product specification Supersedes data of 1995 Apr 11 File under Discrete Semiconductors, SC14 1995 Sep 26 Philips Semiconductors Product specification NPN 7 GHz wideband transistor FEATURES • High power gain • High output voltage • High maximum junction temperature • Gold metallization ensures excellent reliability.
APPLICATIONS It is primarily intended for use in MATV and microwave amplifiers, such as aerial amplifiers, radar systems, oscilloscopes, spectrum analyzers, etc.
PINNING PIN 1 2 3 4 collector emitter base emitter Fig.
1 SOT172A2.
DESCRIPTION Top view 2 MSA457 BFQ621 DESCRIPTION Silicon NPN transistor in a 4-lead dual-emitter SOT172A2 package with a ceramic cap.
All leads are isolated from the mounting base.
Emitter ballasting resistors and application of gold sandwich metallization ensures an optimum temperature profile and excellent reliability properties.
handbook, halfpage 4 1 3 QUICK REFERENCE DATA SYMBOL VCEO IC Ptot hFE fT GUM VO PARAMETER collector-emitter voltage collector current (DC) total power dissipation DC current gain transition frequency maximum unilateral power gain output voltage up to Tmb = 25 °C IC = 120 mA; VCE = 18 V; Tamb = 25 °C IC = 120 mA; VCE = 18 V; f = 1 GHz; Tamb = 25 °C IC = 120 mA; VCE = 18 V; f = 500 MHz; Tamb = 25 °C IC = 120 mA; VCE = 18 V; f(p + q − r) = 793.
25 MHz; dim = −60 dB; RL = 75 Ω WARNING Product and environmental safety - toxic materials This product contains beryllium oxide.
The product is entirely safe provided that the BeO disc is not damaged.
All persons who handle, use or dispose of this product should be aware of its nature and of the necessary safety precautions.
After use, dispose of as chemical or special waste according to the regulations applying at the location of the user.
It must never be thrown out with the general or domestic waste.
CONDITIONS open base − − − 40 − − − MIN.
− − − − 7 18.
5 1.
2 TYP.
MAX.
16 150 8 − − −...


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