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Any and all SANYO products described or contained herein do not have specifications that can handleapplications that require extremely high levels of reliability, such as life-support systems, aircraftscontrol systems, or other applications whose failure can be reasonably expected to result in seriousphysical and/or material damage. Consult with your SANYO representative nearest you before usingany SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values thatexceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or otherparameters) listed in products specifications of any and all SANYO products described or containedherein.

PNP/NPN Epitaxial Planar Silicon Transistors

High-Current Switching Applications

Ordering number:EN2085B

2SB1203/2SD1803

Package Dimensionsunit:mm

2045B

[2SB1203/2SD1803]

Applications Relay drivers, high-speed inverters, converters, and

other general high-current switching applications.

Features Low collector-to-emitter saturation voltage.

High current and high fT.

Excellent linearity of hFE.

Fast switching speed.

Small and slim package making it easy to make2SB1203/2SD1803-applied sets smaller.

1 : Base

2 : Collector

3 : Emitter

4 : Collector

SANYO : TP

unit:mm

2044B

[2SB1203/2SD1803]

1 : Base

2 : Collector

3 : Emitter

4 : Collector

SANYO : TP-FA

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2SB1203/2SD1803

( ) : 2SB1203

Specifications

Absolute Maximum Ratings at Ta = 25C

C

C

Electrical Characteristics at Ta = 25C

Tc=25C

Switching Time Test Circuit

retemaraP lobmyS snoitidnoC sgnitaR tinU

egatloVesaB-ot-rotcelloC VOBC

06)( V

egatloVrettimE-ot-rotcelloC V OEC 05)( V

egatloVesaB-ot-rettimE V OBE 6)( V

tnerruCrotcelloC IC 5)( A

)esluP(tnerruCrotcelloC I PC 8)( A

noitapissiDrotcelloC PC 1 W

02 W

erutarepmeTnoitcnuJ jT 051

erutarepmeTegarotS gtsT 051+ot55

retemaraP lobmyS snoitidnoCsgnitaR

tinUnim pyt xam

tnerruCffotuCrotcelloC I OBC V BC I,V04)(= E 0= 1)( A

tnerruCffotuCrettimE I OBE V BE I,V4)(= C 0= 1)( AniaGtnerruCCD h EF 1 V EC I,V2)(= C A5.0)(= *07 *004

h EF 2 V EC I,V2)(= C A4)(= 53

tcudorPhtdiwdnaB-niaG fT V EC I,V5)(= C A1)(= )031( zHM

081 zHM

ecnaticapaCtuptuO C bo V BC zHM1=f,V01)(= 04)06( Fp

egatloVnoitarutaSrettimE-ot-rotcelloC V )tas(EC IC I,A3)(= B A51.0)(= 022 004 Vm

)082( )055( Vm

egatloVnoitarutaSrettimE-ot-esaB V )tas(EB IC I,A3)(= B A51.0)(= 59.0)( 3.1)( V

egatloVnwodkaerBesaB-ot-rotcelloC V OBC)RB( IC I,A01)(= E 0= 06)( V

egatloVnwodkaerBrettimE-ot-rotcelloC V OEC)RB( IC R,Am1)(= EB = 05)( V

egatloVnwodkaerBesaB-ot-rettimE V OBE)RB( IE I,A01)(= C 0= 6)( V

emiTNO-nruT t no tiucriCtseTdeificepseeS )05(05 sn

emiTegarotS t gts tiucriCtseTdeificepseeS )054( sn005 sn

emiTllaF tf tiucriCtseTdeificepseeS 02)02( sn

* : The 2SB1203/2SD1803 are classified by 0.5A hFE as follows :

041Q07 002R001 082S041 004T002

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Specifications of any and all SANYO products described or contained herein stipulate the performance,characteristics, and functions of the described products in the independent state, and are not guaranteesof the performance, characteristics, and functions of the described products as mounted in the customersproducts or equipment. To verify symptoms and states that cannot be evaluated in an independent device,the customer should always evaluate and test devices mounted in the customers products or equipment.

SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and allsemiconductor products fail with some probability. It is possible that these probabilistic failures couldgive rise to accidents or events that could endanger human lives, that could give rise to smoke or fire,or that could cause damage to other property. When designing equipment, adopt safety measures sothat these kinds of accidents or events cannot occur. Such measures include but are not limited to protective

circuits and error prevention circuits for safe design, redundant design, and structural design.In the event that any and all SANYO products described or contained herein fall under strategicproducts (including services) controlled under the Foreign Exchange and Foreign Trade Control Law ofJapan, such products must not be exported without obtaining export license from the Ministry ofInternational Trade and Industry in accordance with the above law.

No part of this publication may be reproduced or transmitted in any form or by any means, electronic ormechanical, including photocopying and recording, or any information storage or retrieval system,or otherwise, without the prior written permission of SANYO Electric Co., Ltd.

Any and all information described or contained herein are subject to change without notice due toproduct/technology improvement, etc. When designing equipment, refer to the Delivery Specificationfor the SANYO product that you intend to use.

Information (including circuit diagrams and circuit parameters) herein is for example only ; it is notguaranteed for volume production. SANYO believes information herein is accurate and reliable, but

no guarantees are made or implied regarding its use or any infringements of intellectual property rightsor other rights of third parties.

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