2SD2444K_1 ROHM

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Rev.A 1/2 Power Transistor (15V, 1A) 2SD2444K zFeatures 1) Low saturation voltage, VCE(sat) = 0.3V (Max.) at IC / IB = 0.4A / 20mA. 2) IC = 1A 3) Complements the 2SB1590K. zPackaging specification and hFE Type 2SD2444K SMT3 R BS∗ T146 3000 ∗ Denotes hFE Package hFE Marking Code Basic ordering unit (pieces) zExternal dimensions (Unit : mm) Each lead has same dimensions SMT3 (1)Emitter (2)Base (3)Collector (2) (1) 2.8 1.6 0.4 (3) 2.9 1.9 0.95 0.95 0.8 0.15 0.3Min. 1.1 zAbsolute maximum ratings (Ta=25°C) Parameter VCBO VCEO VEBO IC PC Tj Tstg 15 V V V A (DC) W 0.2 150 −55 to +150 Symbol Limits Unit Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector power dissipation Junction temperature Storage temperature zElectrical characteristics (Ta=25°C) Parameter Symbol BVCBO BVCEO BVEBO ICBO IEBO VCE(sat) fT Cob Min. 200 0.5 0.5 0.3 V IC=50µA IC=1mA IE=50µA VCB=12V VEB=5V IC=400mA, IB=20mA VCE=2V, IE= −50mA, f=100MHz VCB=10V, IE=0A, f=1MHz V V µA µA hFE 180 − 390 VCE/IC=2V/50mA− V MHz pF Typ. Max. Unit Conditions 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

Rev.A 2/2 zElectrical characteristic curves POWER DISSIPATION : PC / PC Max. (%) AMBIENT TEMPERATURE : Ta (°C) Fig.1 Grounded emitter output characteristics 0 25 50 75 100 125 150 100 COLLECTOR CURRENT : IC (A) BASE TO EMITTER VOLTAGE : VBE (V) Fig.2 Grounded emitter propagation characteristics 10m 20m 200m 100m 50m 500m 25°C −40°C Ta=125°C Ta=25°C VCE=2V COLLECTOR CURRENT : IC (A) COLLECTOR TO EMITTER VOLTAGE : VCE (V) Fig.3 Grounded emitter output characteristics 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 IB=1mA Ta=25°C 10mA 9mA 8mA 7mA 2mA 3mA 4mA 5mA6mA DC CURRENT GAIN : hFE COLLECTOR CURRENT : lC (A) 1m 2m 5m 10m 20m 50m 100m 200m 500m 1 1000 500 200 100 Ta=25°C Fig.4 DC current gain vs. collector current ( ) VCE=5V DC CURRENT GAIN : hFE COLLECTOR CURRENT : lC (A) 1m 2m 5m 10m 20m 50m 100m 200m 500m 1 1000 500 200 100 VCE=2V Fig.5 DC collector gain vs. collector current ( ) Ta=125°C 25°C −40°C COLLECTOR CURRENT : IC (A) COLLECTOR SATURATION VOLTAGE : VCE (sat) (V) Fig.6 Collector-emitter saturation voltage vs. collector current ( ) 1m 2m 5m 10m 20m 50m 100m 200m 500m 1 20m 50m 100m 200m 500m 10m Ta=25°C lC/lB=50 COLLECTOR CURRENT : IC (A) COLLECTOR SATURATION VOLTAGE : VCE (sat) (V) Fig.7 Collector-emitter saturation voltage vs. collector current ( ) 1m 2m 5m 10m 20m 50m 100m 200m 500m 1 20m 50m 100m 200m 500m 10m lC/lB=20 Ta=125°C 25°C −40°C TRANSITION FREQUENCY : fT (MHz) EMITTER CURRENT : lE (A) Fig.8 Transition frequency vs. emitter current 100 200 500 1000 10m 20m 50m 100m 200m 500m 1 Ta=25°C f=100MHz VCE=2V COLLECTOR TO BASE VOLTAGE : VCB (V) COLLECTOR OUTPUT CAPACITANCE : Cob (pF) Fig.9 Collector output capacitance vs. collector-base voltage 0.1 0.2 0.5 1 2 5 10 20 50 100 100 200 500 1000 Ta=25°C f=1MHz lE=0A

Appendix1-Rev1.1 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. 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. 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.