2N2857

2N2857 2N3839 NPN SILICON RF TRANSISTORS w w w. c e n t r a l s e m i . c o m DESCRIPTION: The CENTRAL SEMICONDUCTOR 2N2857 and 2N3839 are silicon NPN RF transistors designed for VHF/UHF amplifier, oscillator and converter applications. MARKING: FULL PART NUMBER TO-72 CASE MAXIMUM RATINGS: (TA=25°C unless otherwise noted) SYMBOL Collector-Base Voltage VCBO Collector-Emitter Voltage VCEO 30 15 V Emitter-Base Voltage VEBO IC 2.5 V 40 mA PD PD TJ, Tstg 200 mW 300 mW -65 to +200 °C Continuous Collector Current Power Dissipation Power Dissipation (TC=25°C) Operating and Storage Junction Temperature ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted) 2N2857 SYMBOL TEST CONDITIONS MIN MAX ICBO VCB=15V 10 ICBO VCB=15V, TA=150°C 1.0 UNITS V 2N3839 MIN MAX 10 UNITS nA - 1.0 μA BVCBO IC=1.0μA 30 - 30 - V BVCEO IC=3.0mA 15 - 15 - V BVEBO IE=10μA 2.5 - 2.5 - V hFE VCE=1.0V, IC=3.0mA VCE=6.0V, IC=5.0mA, f=100MHz VCB=10V, IE=0, f=100kHz to 1.0MHz 30 150 30 150 1.0 1.9 1.0 2.0 - 1.0 - 1.0 pF fT Cob Po GHz 30 - 30 - mW 12.5 19 12.5 19 dB NF VCB=10V, IC=12mA, f=500MHz VCE=6.0V, IC=1.5mA, f=450MHz, RS=50Ω VCE=6.0V, IC=1.5mA, f=450MHz, RS=50Ω - 4.5 - 3.9 dB rb’Cc VCB=6.0V, IC=2.0mA, f=31.9MHz 4.0 15 1.0 15 ps Gpe R1 (31-January 2013) 2N2857 2N3839 NPN SILICON RF TRANSISTORS TO-72 CASE - MECHANICAL OUTLINE LEAD CODE: 1) Emitter 2) Base 3) Collector 4) Case MARKING: FULL PART NUMBER R1 (31-January 2013) w w w. c e n t r a l s e m i . c o m OUTSTANDING SUPPORT AND SUPERIOR SERVICES PRODUCT SUPPORT Central’s operations team provides the highest level of support to insure product is delivered on-time. • Supply management (Customer portals) • Custom bar coding for shipments • Inventory bonding • Custom product packing • Consolidated shipping options DESIGNER SUPPORT/SERVICES Central’s applications engineering team is ready to discuss your design challenges. Just ask. • Free quick ship samples (2nd day air) • Special wafer diffusions • Online technical data and parametric search • PbSn plating options • SPICE models • Package details • Custom electrical curves • Application notes • Environmental regulation compliance • Application and design sample kits • Customer specific screening • Custom product and package development • Up-screening capabilities REQUESTING PRODUCT PLATING 1. If requesting Tin/Lead plated devices, add the suffix “ TIN/LEAD” to the part number when ordering (example: 2N2222A TIN/LEAD). 2. If requesting Lead (Pb) Free plated devices, add the suffix “ PBFREE” to the part number when ordering (example: 2N2222A PBFREE). CONTACT US Corporate Headquarters & Customer Support Team Central Semiconductor Corp. 145 Adams Avenue Hauppauge, NY 11788 USA Main Tel: (631) 435-1110 Main Fax: (631) 435-1824 Support Team Fax: (631) 435-3388 www.centralsemi.com Worldwide Field Representatives: www.centralsemi.com/wwreps Worldwide Distributors: www.centralsemi.com/wwdistributors For the latest version of Central Semiconductor’s LIMITATIONS AND DAMAGES DISCLAIMER, which is part of Central’s Standard Terms and Conditions of sale, visit: www.centralsemi.com/terms w w w. c e n t r a l s e m i . c o m (001)