2SB1308 Transistors Power transistor (−50V, −3A) 2SB1308 zFeatures 1) Low saturation voltage, typically VCE(sat) = −0.45V (Max.) at IC/IB = −1.5A / −0.15A. 2) Excellent DC current gain characteristics. 3) Complements the 2SD1963. zExternal dimensions (Unit : mm) MPT3 0.5 4.5 1.6 2.5 4.0 1.5 (2) (3) 1.0 (1) 0.5 0.4 1.5 0.4 0.4 1.5 3.0 (1)Base (2)Collector (3)Emitter zAbsolute maximum ratings (Ta=25°C) Symbol Limits Collector-base voltage VCBO −30 V Collector-emitter voltage VCEO −20 V Emitter-base voltage VEBO −6 V −3 A(DC) −5 A(Pulse) 0.5 W Parameter Collector current IC Unit Collector power dissipation PC 2.0 W Junction temperature Tj 150 °C Storage temperature Tstg −55 to 150 °C ∗1 ∗2 ∗1 ∗2 Single pulse, Pw=10ms When mounted on a 40×40×0.7 mm ceramic board. zElectrical characteristics (Ta=25°C) Symbol Min. Typ. Max. Unit BVCBO −30 − − V IC= −50µA Collector-emitter breakdown voltage BVCEO −20 − − V IC= −1mA Parameter Collector-base breakdown voltage Conditions BVEBO −6 − − V IE= −50µA Collector cutoff current ICBO − − −0.5 µA VCB= −20V Emitter cutoff current IEBO − − −0.5 µA VEB= −5V DC current transfer ratio hFE 82 − 390 − VCE= −2V, IC= −0.5A VCE(sat) − − −0.45 V IC/IB= −1.5A/ −0.15A fT − 120 − MHz Cob − 60 − pF Emitter-base breakdown voltage Collector-emitter saturation voltage Transition frequency Output capacitance ∗ ∗ VCE= −6V, IE=50mA, f=100MHz VCB= −20V, IE=0A, f=1MHz ∗ Measured using pulse current. Rev.A 1/2 2SB1308 Transistors zPackaging specifications and hFE Type 2SB1308 Package MPT3 hFE PQR Marking BF∗ Code T100 Basic ordering unit (pieces) 1000 ∗ Denotes hEF −10 −2 −1 −0.5 Ta=100°C 25°C −25°C −0.2 −0.1 −0.05 −0.02 −0.01 −5m −2m −1m VCE= −2V 2000 DC CURRENT GAIN : hFE COLLECTOR CURRENT : IC (A) 5000 VCE= −2V −5 1000 500 200 100 50 Ta=100°C 25°C −25°C 20 10 0 −0.2 −0.4 −0.6 −0.8 −1.0 −1.2 −1.4 BASE TO EMITTER VOLTAGE : VBE (V) Fig.1 Grounded emitter propagation characteristics 5 −1m −2m −5m −0.01 −0.02 −0.05 −0.1 −0.2 −0.5 −1 −2 −5 −10 COLLECTOR SATURATION VOLTAGE : VCE(sat) (V) zElectrical characteristic curves −5 −25°C −1 25°C −0.5 −0.2 −0.1 −0.05 °C 100 Ta= −0.02 −0.01 −2m −5m −0.01−0.02 −0.05 −0.1 −0.2 −0.5 −1 −2 COLLECTOR CURRENT : IC (A) Fig.2 DC current gain vs. collector current lC/lB=40 −2 −5 −10 COLLECTOR CURRENT : IC (A) Fig.3 Collector-emitter saturation voltage vs. collector current Rev.A 2/2 Appendix Notes No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by ROHM CO., LTD. is granted to any such buyer. Products listed in this document are no antiradiation design. The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. About Export Control Order in Japan Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control Order in Japan. In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause) on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction. Appendix1-Rev1.1