BFR91A

PLANETA The RF Line NPN Silicon High-Frequency Transistor DESCRIPTION The BFR91A is an NPN silicon epitaxial transistor designed for low noise amplifier at VHF, UHF and CATV band. It has dynamic range and good current characteristic. This small-signal p lastic transistor offers superior quality and performance at low cost. BFR91A 1 3 2 FEATURES 1 – Base 2 – Collector 3 – Emitter


High Gain-Bandwidth Products fT= 6.0 GHz (Typ) @ 30 mA Low Noise Figure NF= 1.6 dB (Typ) @ 800 MHz High Gain GPS= 13.0 dB (Typ) @ 800 MHz SOT37 JEDEC EIAJ GOST Weight: TO-50 – KT-29 0.2g ABSOLUTE MAXIMUM RATINGS (TA = 25 °C) Rating Collector- Emitter Voltage Collector- Base Voltage Emitter- Base Voltage Collector Current Power Dissipation Junction Temperature Operating Junction Temperature Range Storage Temperature Range Symbol VCEO VCBO VEBO IC Ptot TJMAX TJ TSTG Value 12 20 2 50 300 150 -45 to +70 -65 to +150 Unit V V V mA mW °C °C °C THERMAL CHARACTERISTIC Thermal Resistance, Junction to Case RΘJC 400 °C/W ORDERING INFORMATION Device BFR91A Marking BFR91A Package SOT-37 Quantity Packing Style 1 Kpcs / plastic bags In bulk PLANETA JS , 2/13 Fedorovsky Ruchei, Veliky Novgorod, 173004, Russia © July 2000 Rev 1 Ph./Fax: +7–816–2231736 E-mail: planeta@novgorod.net http://www.novgorod.net/~planeta BFR91A ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted) Characteristic DC CHARACTERISTICS Collector Cutoff Current, IE= 0mA, VCB=10V Emitter Cutoff Current, IC= 0mA, VEB= 2V Collector – Emitter Breakdown Voltage, IC= 1mA, IB= 0mA DC Current Gain, IE=30mA, VCB= 5V Collector – Emitter Saturation Voltage, IC= 1mA, IB= 0mA AC CHARACTERISTICS Transition Frequency, IC=30mA, VCB= 5V, f=300MHz Collector-Base Capacitance, IE= 0mA, VCB=10V, f= 1MHz Noise Figure, IE= 5mA, VCE= 8V, f=800MHz Power Gain, IE=30mA, VCE= 8V, f=800MHz hFE CLASSIFICATION Class hFE K 50 to 300 H 50 to 100 F 80 to 160 E 125 to 250 Symbol ICBO – IEBO – V(BR)CEO 12 hFE 50 VCE(sat) – fT 4.5 Ccb – NF – GPS 12.0 13.0 – 1.6 2.0 dB 0.4 0.9 dB 6.0 – pF 100 400 GHz 120 300 mV – – – – 10 V – 100 µA Min Typ Max Unit nA TIPICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted) 350 1 300 Ccb - Collector Base Capacitance (pF Ptot - Total Power Dissipation (mW 0,8 250 200 0,6 150 0,4 100 0,2 VCB=10V f=1MHZ 50 0 0 20 40 60 80 100 120 140 160 0 0 5 10 15 20 VCB - Collector Base Voltage (V) Tamb - Ambient Temperature (°C) Figure 1. Total Power Dissipation vs. Ambient Temperature Ph./Fax: +7–816–2231736 E-mail: planeta@novgorod.net http://www.novgorod.net/~planeta Figure 2. Collector – Base Capacitance vs. Collector – Base Voltage PLANETA JSC, 2/13 Fedorovsky Ruchei, Veliky Novgorod, 173004, Russia © July 2000 Rev 1 2 BFR91A TIPICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted) 7 3,5 6 fT - Transition Frequency (GHz 3 4 NF - Noise Figure (dB) 5 2,5 2 3 1,5 2 VCB=5V f=300MHZ 1 VCE=8V f=800MHZ 0,5 1 0 0 5 10 15 20 25 30 35 40 45 50 0 0 5 10 15 20 25 30 35 40 IE - Emitter Current (mA) IE - Emitter Current (mA Figure 3. Transition Frequency vs. Emitter Current 14 140 Figure 4. Noise Figure vs. Emitter Current 12 120 GPS - Power Gain (dB) 8 hFE - DC Current Gain 10 100 80 6 60 4 VCE=8V f=800MHZ 40 VCB=5V 20 2 0 0 5 10 15 20 25 30 35 40 0 0 5 10 15 20 25 30 IE - Emitter Current (mA IE - Emitter Current (mA Figure 5. Power Gain vs. Emitter Current Figure 6. DC Current Gain vs. Emitter Current+ PLANETA JS , 2/13 Fedorovsky Ruchei, Veliky Novgorod, 173004, Russia © July 2000 Rev 1 Ph./Fax: +7–816–2231736 E-mail: planeta@novgorod.net http://www.novgorod.net/~planeta 3 BFR91A PACKAGE DIMENSIONS in mm 
  
   

    

    PLASTIC CASE KT-29 Ph./Fax: +7–816–2231736 E-mail: planeta@novgorod.net http://www.novgorod.net/~planeta PLANETA JSC, 2/13 Fedorovsky Ruchei, Veliky Novgorod, 173004, Russia © July 2000 Rev 1 4