140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 2N2857 RF & MICROWAVE DISCRETE LOW POWER TRANSISTORS Features • Silicon NPN, To-72 packaged UHF Transistor • 1.6 GHz Current-Gain Bandwidth Product @ 5mA IC • Maximum Unilateral Gain = 13 dB (typ) @ 500 MHz 2 1 3 4 1. Emitter 2. Base 3. Collector 4. Case TO-72 DESCRIPTION: Silicon NPN transistor, designed for UHF equipment. Applications include low noise amplifier; oscillator, and mixer applications. ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C) Symbol VCEO Parameter Collector-Emitter Voltage Value 15 Unit Vdc VCBO Collector-Base Voltage 30 Vdc VEBO Emitter-Base Voltage 2.5 Vdc IC Collector Current 40 mA 200 1.14 mWatts mW/ ºC Thermal Data P D Total Device Dissipation @ TA = 25ºC Derate above 25ºC MSC1066.PDF 3-10-99 2N2857 ELECTRICAL SPECIFICATIONS (Tcase = 25°C) STATIC (off) Symbol BVCEO BVCBO BVEBO ICBO Test Conditions Value Min. Typ. Max. Unit Collector-Emitter Breakdown Voltage (IC = 3.0 mAdc, IB = 0) 15 - - Vdc Collector-Base Breakdown Voltage (IC=1.0 µAdc, IE=0) 30 - - Vdc Emitter-Base Breakdown Voltage (IE = 10 µAdc, IC = 0) 2.5 - - - - .01 30 - 150 Collector Cutoff Current (VCE = 15 Vdc, IE = 0 Vdc) Vdc µA (on) HFE DC Current Gain (IC = 3.0 mAdc, VCE = 1.0 Vdc) DYNAMIC Symbol Test Conditions Value Min. fT NF Typ. Max. Unit Current-Gain - Bandwidth Product (IC = 5.0 mAdc, VCE = 6 Vdc, f = 100 MHz) 1.6 - GHz Noise Figure (50 Ohms) (IC = 1.5 mAdc, VCE = 6 Vdc, f = 500 MHz) 5.5 MSC1066.PDF 3-10-99 dB 2N2857 FUNCTIONAL Symbol G U max MAG 2 |S21| Test Conditions Maximum Unilateral Gain Maximum Available Gain Insertion Gain Value Min. Typ. Max. Unit IC = 12 mAdc, VCE = 10Vdc, f = 500 MHz - 13 - dB IC = 12 mAdc, VCE = 10Vdc, f = 500 MHz - 13.5 - dB IC = 12 mAdc, VCE = 10Vdc, f = 500 MHz 9.5 10.5 - dB Table 1. Common Emitter S-Parameters, @ VCE = 10 V, IC = 12 mA f S11 S21 S12 S22 100 |S11| 0.457 ∠φ -44 |S21| 12.49 ∠φ 122 |S12| 0.012 ∠φ 63 |S22| 0.823 ∠φ -23 200 0.291 -56 8.06 101 0.018 55 0.712 -35 300 0.233 -60 5.3 89 0.024 81 0.728 -46 400 0.212 -68 3.88 80 0.032 55 0.723 -60 500 0.184 -76 3.36 80 0.037 49 0.711 -73 600 0.173 -79 2.97 69 0.043 46 0.717 -86 700 0.192 -89 2.39 61 0.044 44 0.72 -100 800 0.165 -96 1.89 57 0.055 43 0.731 -115 900 0.261 -121 2.72 60 0.068 29 0.746 -131 1000 0.083 149 1.27 39 0.064 18 0.749 -148 (MHz) MSC1066.PDF 3-10-99 2N2857 . MSC1066.PDF 3-10-99