MRF581_08 MICROSEMI | Alldatasheet

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Technical content

Features

  • Low Noise - 2.5 dB @ 500 MHZ
  • Gain at Optimum Noise Figure = 15.5 dB @ 500 MHz
  • Ftau - 5.0 GHz @ 10v, 75mA
  • Cost Effective MacroX Package RF & MICROWAVE DISCRETE LOW POWER TRANSISTORS *G Denotes RoHS Compliant, Pb free Terminal Finish

Microsemi reserves the right to change, without notice, the specifications and information contained herein Visit our website at www.microsemi.com or contact our factory direct. MRF581 MRF581G MRF581A MRF581AG ELECTRICAL SPECIFICATIONS (Tcase = 25°C) STATIC (off) Value Symbol Test Conditions Min. Typ. Max. Unit BVCEO Collector-Emitter Breakdown Voltage MRF581 (IC = 5.0 mAdc, IB = 0) MRF581A Vdc BVCBO Collector-Base Breakdown Voltage (IC = 1.0 mAdc, IE = 0) Vdc BVEBO Emitter-Base Breakdown Voltage (IE = 0.1 mAdc, IC = 0) 2.5 Vdc ICBO Collector Cutoff Current (VCB = 15 Vdc, VBE = 0 Vdc) 0.1 mA IEBO Emitter Cutoff Current (Vbe = 2.5 Vdc) 0.1 mA (on) HFE DC Current Gain MRF581 (IC = 50 mAdc, VCE = 5.0 Vdc) MRF581A 200 250 DYNAMIC Value Symbol Test Conditions Min. Typ. Max. Unit COB Output Capacitance (VCB = 10 Vdc, IE = 0, f = 1.0 MHz) 2.0 3.0 pF Ftau Current-Gain Bandwidth Product (IC = 75 mAdc, VCE = 10 Vdc, f = 1.0 GHz) 5.0 GHz

Visit our website at www.microsemi.com or contact our factory direct. Table 1. Common Emitter S-Parameters, @ VCE = 10 V, IC = 50 mA

Visit our website at www.microsemi.com or contact our factory direct. C7, C10 — 10 µF, Tantalum Capacitor R1 — 1.0 k Ω Res. Figure 1. Minimum Noise Figure and Gain @ Minimum Noise Figure.

Microsemi reserves the right to change, without notice, the specifications and information contained herein Visit our website at www.microsemi.com or contact our factory direct. MRF581 MRF581G MRF581A MRF581AG Efficiency (%) GPE Freq (MHz) Freq (MHz) Gu Max (dB) IC max (mA) Package Device IC max (mA) RF (Low Power PA / General Purpose) Selection Guide MA CRO X MRF559 NPN 870 0.5 6.5 70 7.5 16 150 MACRO X MRF559 NPN 870 0.5 9.5 65 12.5 16 150 SO-8 MRF8372,R1,R2 NPN 870 0.75 8 55 12.5 16 200 POWER MACRO MRF557 NPN 870 1.5 8 55 12.5 16 400 POWER MACRO MRF557T NPN 870 1.5 8 55 12.5 16 400 MACRO X MRF559 NPN 512 0.5 10 65 7.5 16 150 MACRO X MRF559 NPN 512 0.5 13 60 12.5 16 150 T O - 3 9 2 N 3 8 6 6 A N P N 4 0 0 1 1 04 52 83 0 4 0 0 SO-8 MRF3866, R1, R2 NPN 400 1 10 45 28 30 400 POWER MA CRO MRF555 NPN 470 1.5 11 50 12.5 16 400 POWER MACRO MRF555T NPN 470 1.5 11 50 12.5 16 400 SO-8 MRF4427, R2 NPN 175 0.15 18 60 12 20 400 TO-39 2N4427 NPN 175 1 10 50 12 20 400 POWER MACRO MRF553 NPN 175 1.5 11.5 60 12.5 16 500 POWER MACRO MRF553T NPN 175 1.5 11.5 50 12.5 16 500 TO-39 MRF607 NPN 175 1.75 11.5 50 12.5 16 330 TO-39 2N6255 NPN 175 3 7.8 50 12.5 18 1000 TO-72 2N5179 NPN 200 20 6 12 50 Pout (watts) GPE (dB) GPE VCC BVCEO Type Packag Device Type NF (dB) NF IC (mA) NF VCE GN (dB) Ftau (MHz) Ccb(pF) BVCEO TO-39 2N5109 NPN 200 3 10 15 12 1200 3.5 20 400 TO-39 MRF5943C NPN 200 3.4 30 15 11.4 1000 30 400 SO-8 MRF5943, R1, R2 NPN 200 3.4 30 15 15 1300 30 400 TO-72 2N5179 NPN 200 4.5 1.5 6 17 900 1 12 50 TO-72 2N2857 NPN 300 5.5 50 6 13 1600 1 15 40 TO-39 MRF517 NPN 300 7.5 50 15 5.5 4600 3 25 150 TO-72 MRF904 NPN 450 1.5 5 6 11 4000 1 15 30 TO-72 2N6304 NPN 450 5 2 5 14 1400 1 15 50 MACRO T BFR91 NPN 500 1.9 2 5 11 16.5 5000 1 12 35 MACRO T BFR96 NPN 500 2 10 10 14.5 500 2.6 15 100 SO-8 MRF5812, R1, R2 NPN 500 2 50 10 15.5 17.8 5000 15 200 MACRO X MRF581A NPN 500 2 50 10 14 15 5000 15 200 Macro BFR90 NPN 500 2.4 2 10 15 18 5000 1 15 30 TO-72 BFY90 NPN 500 2.5 2 5 20 1300 15 50 TO-72 MRF914 NPN 500 2.5 5 10 15 4500 12 40 MACRO X MRF581 NPN 500 2.5 50 10 15 17.8 5000 16 200 TO-39 MRF586 NPN 500 3 90 15 11 14.5 4500 2.2 17 200 MACRO X MRF951 NPN 1000 1.3 5 6 14 17 8000 0.45 10 100 MACRO X MRF571 NPN 1000 1.5 10 6 10 8000 1 10 70 MACRO T BFR91 NPN 1000 2.5 2 5 8 11 5000 1 12 35 MACRO T BFR90 NPN 1000 3 2 10 10 12.5 5000 1 15 30 TO-39 MRF545 PNP 14 1400 2 70 400 TO-39 MRF544 NPN 13.5 1500 70 400 RF (LNA / General Purpose) Selection Guide 4 1 4 8 5 Macro X Power Macro T SO-8 RF Low Power PA, LNA, and General Purpose Discrete Selector Guide Low Cost RF Plastic Package Options

Microsemi reserves the right to change, without notice, the specifications and information contained herein Visit our website at www.microsemi.com or contact our factory direct. MRF581 MRF581G MRF581A MRF581AG PIN 1. COLLECTOR 2. EMITTER 3. BASE 4. EMITTER