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  Transistors


  Digital transistors (built in resistor)
  DTB123TK

FFeatures                                  FExternal dimensions (Units: mm)
1) Built-in bias resistors enable the
   configuration of an inverter circuit
   without connecting external input
   resistors (see equivalent circuit).
2) The bias resistors consist of thin-
   film resistors with complete isola-
   tion to allow positive biasing of the
   input. They also have the advan-
   tage of almost completely eliminat-
   ing parasitic effects.
3) Only the on / off conditions need to
   be set for operation, making device
   design easy.
4) Higher mounting densities can be
   achieved.


FStructure                                                                    FEquivalent circuit
PNP digital transistor
(Built-in resistor type)


FAbsolute maximum ratings (Ta = 25_C)




                                                                                                    (96-300-B123T)


380
 Transistors                              DTB123TK

FElectrical characteristics (Ta = 25_C)




FPackaging specifications




FElectrical characteristic curves




                                                381
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 use silicon as a basic material.
        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-Rev1.0

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