ISSUED DATE :2005/06/14 REVISED DATE : GSC945 NPN EPITAXIAL SILICON TRANSISTOR Description The GSC945 is an audio frequency amplifier high frequency OSC NPN transistor. Features Collector-Emitter Voltage BVCBO=50V Collector current up to 150mA High hFE linearity Package Dimensions D TO-92 E A S1 b1 S E A T IN G PLANE Millimeter Min. Max. 4.45 4.7 1.02 0.36 0.51 0.36 0.76 0.36 0.51 L REF. e1 C b e A S1 b b1 C REF. D E L e1 e Millimeter Min. Max. 4.44 4.7 3.30 3.81 12.70 1.150 1.390 2.42 2.66 Absolute Maximum Ratings (TA=25 ) Parameter Symbol Ratings Unit Collector to Base Voltage VCBO 60 V Collector to Emitter Voltage VCEO 50 V Emitter to Base Voltage VEBO 5 V IC 150 mA Collector Current Base Current IB 50 mA Total Device Dissipation PD 250 mW Junction Temperature TJ 125 Storage Temperature Tstg -55 ~ +150 Electrical Characteristics (TA = 25 Symbol unless otherwise noted) Min. Typ. Max. Unit BVCBO 60 - - V IC=100uA, IE=0 BVCEO 50 - - V IC=1mA, IB=0 BVEBO 5 - - V IE=1uA, IC =0 ICBO - - 100 nA VCB=40V IEBO - - 100 nA VEB=3V V VCE(sat) Test Conditions - 0.1 0.3 hFE 90 - 600 fT 100 190 - MHz - 2.0 3.0 pF VCB=10V, IE=0, f=1MHz dB IC=0.1mA , VCE=6V, RG=10k Cob NF - 4.0 6.0 IC=100mA, IB=10mA VCE=6V, IC=1mA VCE=10V, IC =50mA , f=100HZ Classification Of hFE Rank R Q P K Range 90 ~ 180 135 ~ 270 200 ~ 400 300 ~ 600 1/2 ISSUED DATE :2005/06/14 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