2SA1797 Transistors Power Transistor (−50V, −3A) 2SA1797 zExternal dimensions (Unit : mm) zFeatures 1) Low saturation voltage. VCE (sat) = −0.35V (Max.) at IC / IB = −1A / −50mA. 2) Excellent DC current gain characteristics. 3) Complements the 2SC4672. MPT3 1.5 2.5 4.0 0.5 4.5 1.6 (1) (2) (3) Type 1.0 zPackaging specifications Package hFE Marking Code Basic ordering unit (pieces) 0.5 0.4 2SA1797 1.5 1.5 3.0 (1)Base MPT3 PQ AG ∗ T100 1000 0.4 0.4 (2)Collector (3)Emitter ∗Denotes hFE zAbsolute maximum ratings (Ta=25°C) Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Symbol Limits Unit VCBO VCEO −50 −50 V V VEBO −6 −3 −6 Collector current IC Collector power 2SA1797 dissipation PC 0.5 2 Junction temperature Storage temperature Tj 150 Tstg −55~+150 V A (DC) A (Pulse) ∗1 W ∗2 °C °C + + ∗1 Single pulse, Pw=10ms ∗2 When mounted on a 40 40 0.7mm ceramic board. zElectrical characteristics (Ta=25°C) Symbol Min. Typ. Max. Unit Collector-base breakdown voltage Collector-emitter breakdown voltage Emitter-base breakdown voltage Collector cutoff current Parameter BVCBO BVCEO BVEBO ICBO −50 −50 −6 − − − − − − − − −0.1 V V V µA IC=−50µA IC=−1mA IE=−50µA VCB=−50V Emitter cutoff current Collector-emitter saturation voltage IEBO VCE(sat) − − − −0.15 −0.1 −0.35 VEB=−5V IC/IB=−1A/−50mA DC current transfer ratio hFE 82 − 270 µA V − Transition frequency Output capacitance fT − − 200 36 − − MHz pF Cob Conditions ∗ VCE/IC=−2V/−0.5A VCE=−2V, IE=0.5A, f=100MHz VCB=−10V, IE=0A, f=1MHz ∗ ∗ Measured using pulse current Rev.B 1/2 2SA1797 Transistors z Electrical characteristic curves −10 1.2 6mA 5mA 1 800m 4mA 600m 3mA 400m 2mA 1mA 200m 0 1 2 3 4 5 6 7 8 9 10 COLLECTOR TO EMITTER VOLTAGE : VCE (V) Fig.1 Grounded emitter output characteristics −0.5 −0.2 −0.1 −0.05 −0.02 −0.01 −5m −2m −1m 0 1000 500 Ta=100°C 200 Ta=25°C 100 Ta=−40°C 50 20 10 5 -1m -5m -0.02 -0.1 -0.5 -2 -5-10 -2m -0.01 -0.05 -0.2 -1 −0.2 −0.4 −0.6 −0.8 −1.0 −1.2 −1.4 BASE TO EMITTER VOLTAGE : VBE (V) COLLECTOR CURRENT : IC (A) Fig.2 Grounded emitter propagation characteristics Fig.3 DC current gain vs. collector current 10 -1 lC/lB=20 -0.5 -0.2 -0.1 DC CURRENT GAIN : hFE 1.4 VCE=2V 2000 −2 −1 Ta=100°C Ta=25°C Ta=−40°C -0.05 -0.02 -0.01 -1m -5m -0.02 -0.1 -0.5 -2 -5-10 -2m -0.01 -0.05 -0.2 -1 COLLECTOR CURRENT : lC (A) 1.6 0 COLLECTOR CURRENT : IC (mA) mA lB=10 9mA 8mA 7mA 5000 VCE=2V −5 Ta=1 00°C Ta=25 °C Ta=−4 0°C Ta=25°C COLLECTOR SATURATION VOLTAGE : VCE (sat) (V) COLLECTOR CURRENT : lC (A) 2.0 1.8 10ms 100ms 1ms 1 DC 0.1 0.01 0.001 Ta=25°C Single non repetitive pulse Mounted on epoxy board t 12mm×15mm× 0.8mm 0.1 1 10 100 COLLECTOR CURRENT : IC (A) COLLECTOR TO EMITTER VOLTAGE : VCE (V) Fig.4 Collector-emitter saturation voltage vs. collector current Fig.5 Safe operating area Rev.B 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