ISSUED DATE :2005/05/09 REVISED DATE : GM BT3838 NP N EP ITAX IAL PL ANAR T RANS ISTO R Description The GMBT3838 is designed for high frequency amplifier transistor. Features High transition frequency Small rbb’-Cc and high gain Small NF Package Dimensions REF. A B C D E F Millimeter Min. Max. 2.70 3.10 2.40 2.80 1.40 1.60 0.35 0.50 0 0.10 0.45 0.55 REF. G H K J L M Millimeter Min. Max. 1.90 REF. 1.00 1.30 0.10 0.20 0.40 0.85 1.15 0 10 Absolute Maximum Ratings at Ta = 25 Parameter Junction Temperature Storage Temperature Collector to Base Voltage Collector to Emitter Voltage Emitter to Base Voltage Collector Current Total Power Dissipation Symbol Tj Tstg VCBO VCEO VEBO IC PD Electrical Characteristics(Ta = 25 Symbol Min. Typ. Ratings +150 -55~+150 20 11 3 50 200 ,unless otherwise noted) Max. Unit Unit V V V mA mW Test Conditions BVCBO 20 - - V IC=10uA, IE=0 BVCEO 11 - - V IC=1mA, IB=0 BVEBO 3 - - V IE=10uA,IC=0 ICBO - - 500 nA VCB=10V, IE=0 IEBO - - 500 nA VEB=2V, IC=0 VCE(sat) - - 500 mV IC=10mA, IB=5mA hFE 56 - 400 fT 1.4 3.2 - GHz Cob - 0.8 1.5 pF VCB=10V, f=1MHz rbb-Cc - 4 12 ps VCB=10V, IC=10mA, f=31.8MHz NF - 3.5 - dB VCE=6V, IC=2mA, f=500MHz, Rg=50 Classification Of hFE Rank Range A 56 ~ 220 VCE=10V, IC=5mA VCE=10V, IE=10mA, f=500MHz B 200 ~ 400 1/2 ISSUED DATE :2005/05/09 REVISED DATE : Characteristics Curve Important Notice: All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of GTM. GTM reserves the right to make changes to its products without notice. GTM semiconductor products are not warranted to be suitable for use in life-support Applications, or systems. GTM assumes no liability for any consequence of customer product design, infringement of patents, or application assistance. Head Office And Factory: Taiwan: No. 17-1 Tatung Rd. Fu Kou Hsin-Chu Industrial Park, Hsin-Chu, Taiwan, R. O. C. TEL : 886-3-597-7061 FAX : 886-3-597-9220, 597-0785 China: (201203) No.255, Jang-Jiang Tsai-Lueng RD. , Pu-Dung-Hsin District, Shang-Hai City, China TEL : 86-21-5895-7671 ~ 4 FAX : 86-21-38950165 2/2