2SD2661 Transistors Low frequency amplifier transistor(12V, 2A) 2SD2661 zExternal dimensions (Unit : mm) zFeatures Low VCE(sat) ≤ 180mV (IC / IB = 1A / 50mA) 4.0 2.5 0.4 1.5 1.0 0.5 (1) 4.5 3.0 0.5 1.6 (2) 0.4 1.5 0.4 1.5 (3) ROHM : MPT3 JEITA : SC-62 JEDEC: SOT-89 (1)Base (2)Collector (3)Emitter Abbreviated symbol : FW zPackaging specifications zAbsolute maximum ratings (Ta=25°C) Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Symbol VCBO VCEO VEBO Collector current IC Collector Power dissipation PC Junction temperature Storage temperature Tj Tstg Limits 15 12 6 2 4 500 ∗2 2 150 −55 to +150 Unit V V V A(DC) ∗1 A(Pulse) mW W °C °C Package Type Taping Code T100 Basic ordering unit (pieces) 1000 2SD2661 + + ∗1 PW=1ms Single Pulse ∗2 Mounted on a 40 40 0.7mm ceramic substrcte zElectrical characteristics (Ta=25°C) Parameter Collector-base breakdown voltage Collector-emitter breakdown voltage Emitter-base breakdown voltage Collector cutoff current Emitter cutoff current DC current transfer ratio Collector-emitter saturation voltage Transition frequency Output capacitance Symbol BVCBO BVCEO BVEBO ICBO IEBO hFE VCE(sat) fT Cob Min. 15 12 6 − − 270 − − − Typ. − − − − − − 90 360 20 Max. − − − 100 100 680 180 − − Unit V V V nA nA − mV MHz pF Conditions IC=10µA IC=1mA IE=10µA VCB=15V VEB=6V VCE=2V, IC=200mA IC / IB=1A / 50mA VCE=2V, IE=−200mA, f=100MHz VCB=10V, IE=0A, f=1MHz Rev.A 1/2 2SD2661 Transistors 1000 VCE=2V Pulsed Ta=25°C 0.1 Ta=−40°C 0.01 0.001 0 0.5 1 Ta=25°C Ta=−40°C 100 10 0.001 1.5 TRANSITION FREQUENCY : fT (MHz) COLLECTOR TO EMITTER SATURATION VOLTAGE : VCE(sat) (V) 10 Ta=25°C 0.1 Ta=100°C Ta=−40°C 0.01 0.1 1 10 COLLECTOR CURRENT : IC (A) Fig.4 Base-emitter saturation voltage vs. collector current Ta=25°C VCE=2V f=100MHz 100 10 −0.001 −0.01 −0.1 −1 EMITTER CURRENT : IE (A) Fig.5 Gain bandwidth product vs. emitter current 1 Ta=25°C Pulsed 0.1 IC/IB=50 0.01 IC/IB=20 IC/IB=10 0.001 0.001 0.01 0.1 1 10 COLLECTOR CURRENT : IC (A) Fig.3 Collector-emitter saturation voltage vs. collector current 1000 IC/IB=20 Pulsed 0.01 1 Fig.2 DC current gain vs. collector current Fig.1 Grounded emitter propagation characteristics 0.001 0.001 0.1 COLLECTOR CURRENT : IC (A) BASE TO EMITTER CURRENT : VBE (V) 1 0.01 −10 EMITTER INPUT CAPACITANCE : Cib (pF) COLLECTOR OUTPUT CAPACITANCE : Cob (pF) 1 Ta=100°C VCE=2V Pulsed Ta=100°C DC CURRENT GAIN : hFE COLLECTOR CURRENT : IC (A) 10 COLLECTOR SATURATION VOLTAGE : VCE(sat) (V) zElectrical characteristic curves 1000 Ta=25˚C IE=0A f=1MHz Cib 100 Cob 10 1 0.1 1 10 100 EMITTER TO BASE VOLTAGE : VEB(V) COLLECTOR TO BASE VOLTAGE : VCB(V) Fig.6 Collector output capacitance vs. collector-base voltage Emitter input capacitance vs. emitter-base voltage 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. 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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