MMBTSC2787 NPN Silicon Epitaxial Planar Transistor for FM RF amp, mixer, osc, converter and IF amplifier. The transistor is subdivided into three groups M, L, and K according to its DC current gain. Features 1) Small output capacitance SOT-23 Plastic Package 2) Low noise figure Absolute Maximum Ratings (Ta = 25 OC) Symbol Value Unit Collector Base Voltage VCBO 50 V Collector Emitter Voltage VCEO 30 V Emitter Base Voltage VEBO 5 V Collector Current IC 30 mA Power Dissipation Ptot 200 mW Junction Temperature Tj 150 O Storage Temperature Range TS -55 to +150 O C C SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 20/10/2005 MMBTSC2787 Characteristics at Tamb=25 OC Symbol Min. Typ. Max. Unit Current Gain Group M hFE 40 - 80 - L hFE 60 - 120 - K hFE 90 - 300 - ICBO - - 0.1 µA IEBO - - 0.1 µA VBE 0.65 - 0.75 V VCE(sat) - - 0.3 V fT 150 250 - MHz CC․rb’b - 10 15 ps COB - 1.9 2.2 pF NF - 2 4 dB DC Current Gain at VCE=6V, IC=1mA Collector Cutoff Current at VCB=50V Emitter Cutoff Current at VEB=5V Base Emitter Voltage at VCE=6V, IC=1mA Collector Saturation Voltage at IC=10mA, IB=1mA Gain Bandwidth Product at VCE=6V, IE=-1mA Collector Base Time Constant at VCB =6V, IE=-10mA, f=31.9MHz Output Capacitance at VCB=6V, f=1MHz Noise Figure at VCE=6V, IE=-1mA, f=1MHz, RG=500Ω SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 20/10/2005 MMBTSC2787 Collector current vs. collector emitter voltage 10 350 In free air 300 8 Ic (mA) Total power dissipation, mW Total power dissipation vs. ambient temperature 250 200 70 60 6 50 40 150 4 30 100 20 2 I B=10 A 50 0 25 50 75 100 0 150 125 8 4 12 16 20 VCE (V) Ambient temperature ( C) Collector current vs. base emitter voltage 50 DC CURRENT GAIN vs. COLLECTOR CURRENT VCE=6V VCE= 6V 20 h FE - DC Current Gain 10 I C, mA 5 2 1 0.5 200 100 50 20 10 0.2 0.1 0 0.1 0.2 0.5 1 2 5 10 20 100 I C, mA 0.2 0.4 0.6 0.8 1 1.2 VBE ,V DC current gain vs. collector emitter voltage Gain bandwidth product vs. emitter current 1000 VCE= 6V 500 500 200 200 f T, MHz hFE IC =1mA 100 50 100 50 20 20 10 -0.1 10 1 2 5 10 20 50 -1 -10 -20 -100 I E, mA V CE , V SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 20/10/2005 MMBTSC2787 Forward transfer amittance vs. collector current VCE=6V output short 500 -gre 10.7MHz 0 10.7MHz g fe 100MHz gre, m S b re , m S g fe 100 g fe, m S b fe, m S Reverse transfer admittance vs. collector current 0.2 -gre 10.7MHz VCE=6V input short 0.4 0.6 -bfe 100MHz 10 -bre 100 MHz -bre 100 MHz 0.8 -bfe 10.7MHz 1 1 0.2 1 0.1 10 20 1 Collector base time constant vs. emitter current Input admittance vs. collector current 1000 100 VCB= 6V f=31.9MHz VCE=6V output short g ie , m S b ie , m S 10.7MHz gie bie 1 Cc rb'b, ps 100 MHz bie 10 gie 0.1 10 I C, mA I C, mA 100 10 1 0.1 1 10 20 -1 -0.1 -0.3 -10 -20 -3 I E, mA I C, mA Base collector saturation volage vs. collector current Input & output capacitance vs. reverse voltage 10 I C/I B =10 f=1MHz 1 Ctr, pF Cib, pF VBE(sat) , V VCE(sat), V Ctr(Ic=0) 3 2 VBE (sat) VCE(sat) 0.1 Cob(IE=0) 1 0.5 0.2 0.01 0.1 1 10 20 0.1 I C, mA 1 10 100 VCB, V VEB, V SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 20/10/2005 MMBTSC2787 Forward transfer amittance vs. collector current Output amittance vs. collector current 10 VCB=6V output short 500 VCE=6V Input short -g fb 10.7MHz b fb 100MHz 1 b oe 100MHz g oe, m S b oe, m S g fb, m S b fb, m S 100 -g fb 100MHz b fb 10.7MHz g oe 100MHz b oe 10.7MHz 0.1 10 g oe 10.7MHz 0.01 1 0.2 1 0.1 10 20 1 10 I C, mA Reverse transfer amittance vs. collector current 1 Input amittance vs. collector current VCB=6V input short 0.5 100 I C, mA VCB=6V output short 500 g ib 10.7MHz -brb 100MHz 0.1 g ib , m S b ib , m S g rb , m S b rb , m S g ib 100MHz 100 0.2 -brb 10.7MHz 0.05 -bib 10.7MHz 10 0.02 -bib 100MHz 0.01 0.1 1 10 100 1 0.2 I C, mA 1 10 20 I C, mA SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 20/10/2005