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BF988 Fiches technique(PDF) 2 Page - Vishay Siliconix |
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BF988 Fiches technique(HTML) 2 Page - Vishay Siliconix |
2 / 9 page www.vishay.com 2 Document Number 85007 Rev. 1.7, 11-Sep-08 BF988 Vishay Semiconductors Not for new design, this product will be obsoleted soon Maximum Thermal Resistance 1) on glass fibre printed board (40 x 25 x 1.5) mm3 plated with 35 μm Cu Electrical DC Characteristics Tamb = 25 °C, unless otherwise specified Electrical AC Characteristics Tamb = 25 °C, unless otherwise specified VDS = 8 V, ID = 10 mA, VG2S = 4 V, f = 1 MHz Parameter Test condition Symbol Value Unit Channel ambient 1) RthChA 450 K/W Parameter Test condition Part Symbol Min Typ. Max Unit Drain - source breakdown voltage ID = 10 μA, - VG1S = - VG2S = 4 V V(BR)DS 12 V Gate 1 - source breakdown voltage ± IG1S = 10 mA, VG2S = VDS = 0 ± V(BR)G1SS 714 V Gate 2 - source breakdown voltage ± IG2S = 10 mA, VG1S = VDS = 0 ± V(BR)G2SS 714 V Gate 1 - source leakage current ± VG1S = 5 V, VG2S = VDS = 0 ± IG1SS 50 nA Gate 2 - source leakage current ± VG2S = 5 V, VG1S = VDS = 0 ± IG2SS 50 nA Drain current VDS = 15 V, VG1S = 0, VG2S = 4 V BF988A IDSS 4 10.5 mA Gate 1 - source cut-off voltage VDS = 15 V, VG2S = 4 V, ID = 20 μA - VG1S(OFF) 2.5 V Gate 2 - source cut-off voltage VDS = 15 V, VG1S = 0, ID = 20 μA- VG2S(OFF) 2.0 V Parameter Test condition Symbol Min Typ. Max Unit Forward transadmittance |y21s|21 24 mS Gate 1 input capacitance Cissg1 2.1 2.5 pF Gate 2 input capacitance VG1S = 0, VG2S = 4 V Cissg2 1.2 pF Feedback capacitance Crss 25 fF Output capacitance Coss 1.05 pF Power gain GS = 2 mS, GL = 0.5 mS, f = 200 MHz Gps 28 dB GS = 3,3 mS, GL = 1 mS, f = 800 MHz Gps 16.5 20 dB AGC range VG2S = 4 to - 2 V, f = 800 MHz ΔG ps 40 dB Noise figure GS = 2 mS, GL = 0.5 mS, f = 200 MHz F1 dB GS = 3,3 mS, GL = 1 mS, f = 800 MHz F1.5 dB |
Numéro de pièce similaire - BF988 |
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Description similaire - BF988 |
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