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DATA SHEET
SILICON TRANSISTORS
2SC2885, 2946, 2946(1)
NPN SILICON EPITAXIAL TRANSISTOR FOR HIGH-VOLTAGE HIGH-SPEED SWITCHING
The 2SC2885, 2946, and 2946(1) are high-voltage high-speed switching power transistors featuring a small package (MP-3) which is suitable for high-density mounting. These transistors are ideal for drivers in DC/DC converters and switching regulators. There are three types of transistors selectable according to the reliability requirments: 2SC2946 and 2946(1) for industrial use, 2SC2885 for general use. The 2SC2946(1) is produced with leads so as to enable mounting directly in a hybrid IC.
QUALITY GRADES
* Standard Please refer to "Quality Grades on NEC Semiconductor Devices" (Document No. C11531E) published by NEC Corporation to know the specification of quality grade on the devices and its recommended applications.
ABSOLUTE MAXIMUM RATINGS (Ta = 25C)
Parameter Collector to base voltage Collector to emitter voltage Emitter to base voltage Collector current (DC) Collector current (pulse) Base current (DC) Total power dissipation Total power dissipation Junction temperature Storage temperature Symbol VCBO VCEO VEBO IC(DC) IC(pulse)* IB(DC) PT (Tc = 25C) PT (Ta = 25C) Tj Tstg Ratings 330 200 7.0 2.0 4.0 1.0 15 600 150 -55 to +150 Unit V V V A A A W mW C C
* PW 300 s, duty cycle 10%
The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for availability and additional information.
Document No. D16135EJ2V0DS00 (2nd edition) Date Published April 2002 N CP(K) Printed in Japan
(c)
2002 1998
2SC2885, 2946, 2946(1)
ELECTRICAL CHARACTERISTICS (Ta = 25C)
Parameter Collector to emitter voltage Collector to emitter voltage Symbol VCEO(SUS) VCEX(SUS) Conditions IC = 1.0 A, IB = 0.1 A, L = 500 H* IC = 1.0 A, IB1 = -IB2 = 0.1 A* Ta = 125C, L = 180 H, clamped VCB = 250 V, IE = 0 VCE = 250 V, VBE(OFF) = -1.5 V VCE = 250 V, VBE(OFF) = -1.5 V, Ta = 125C VEB = 5.0 V, IC = 0 VCE = 5.0 V, IC = 0.1 A* VCE = 5.0 V, IC = 1.0 A* IC = 1.0 A, IB = 0.1 A* IC = 1.0 A, IB = 0.1 A* IC = 1.0 A, RL = 100 IB1 = -IB2 = 0.1 A, VCC 100 V Refer to the test circuit. Fall time tf 1.0 20 15 1.0 1.5 1.0 2.0 V V 60 MIN. 200 200 TYP. MAX. Unit V V
Collector cutoff current Collector cutoff current Collector cutoff current Emitter cutoff current DC current gain
ICBO ICEX1 ICEX2 IEBO hFE1 hFE2
10 10 1.0 1.0 160
A A
mA
A
Collector saturation voltage Base saturation voltage Turn-on time Storage time
VCE(sat) VBE(sat) ton tstg
s s s
* Pulse test PW 350 s, duty cycle 2%
hFE CLASSIFICATION
Marking hFE1 N 20 to 50 M 30 to 70 L 50 to 100 K 80 to 160
PACKAGE DRAWING (UNIT: mm)
Electrode Connection 1. Base 2. Collector 3. Emitter 4. Collector (fin)
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Data Sheet D16135EJ2V0DS
2SC2885, 2946, 2946(1)
TYPICAL CHARACTERISTICS (Ta = 25C)
Total Power Dissipation PT (W)
???
Without heatsink
Ambient Temperature Ta (C)
Collector Current IC (mA)
With infinite heatsink
Collector to Emitter Voltage VCE (V)
Case Temperature TC (C)
Transient Thermal Resistance Rth(j-a) (C/W)
IC Derating dT (%)
Pulse Width PW (ms)
Pulse test
Collector Current IC (A)
Collector to Emitter Voltage VCE (V)
DC Current Gain hFE
Collector Current IC (mA)
Data Sheet D16135EJ2V0DS
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2SC2885, 2946, 2946(1)
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Data Sheet D16135EJ2V0DS
2SC2885, 2946, 2946(1)
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Data Sheet D16135EJ2V0DS
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2SC2885, 2946, 2946(1)
* The information in this document is current as of July, 2001. The information is subject to change without notice. For actual design-in, refer to the latest publications of NEC's data sheets or data books, etc., for the most up-to-date specifications of NEC semiconductor products. Not all products and/or types are available in every country. Please check with an NEC sales representative for availability and additional information. * No part of this document may be copied or reproduced in any form or by any means without prior written consent of NEC. NEC assumes no responsibility for any errors that may appear in this document. * NEC does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from the use of NEC semiconductor products listed in this document or any other liability arising from the use of such products. No license, express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of NEC or others. * Descriptions of circuits, software and other related information in this document are provided for illustrative purposes in semiconductor product operation and application examples. The incorporation of these circuits, software and information in the design of customer's equipment shall be done under the full responsibility of customer. NEC assumes no responsibility for any losses incurred by customers or third parties arising from the use of these circuits, software and information. * While NEC endeavours to enhance the quality, reliability and safety of NEC semiconductor products, customers agree and acknowledge that the possibility of defects thereof cannot be eliminated entirely. To minimize risks of damage to property or injury (including death) to persons arising from defects in NEC semiconductor products, customers must incorporate sufficient safety measures in their design, such as redundancy, fire-containment, and anti-failure features. * NEC semiconductor products are classified into the following three quality grades: "Standard", "Special" and "Specific". The "Specific" quality grade applies only to semiconductor products developed based on a customer-designated "quality assurance program" for a specific application. The recommended applications of a semiconductor product depend on its quality grade, as indicated below. Customers must check the quality grade of each semiconductor product before using it in a particular application. "Standard": Computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots "Special": Transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support) "Specific": Aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems and medical equipment for life support, etc. The quality grade of NEC semiconductor products is "Standard" unless otherwise expressly specified in NEC's data sheets or data books, etc. If customers wish to use NEC semiconductor products in applications not intended by NEC, they must contact an NEC sales representative in advance to determine NEC's willingness to support a given application. (Note) (1) "NEC" as used in this statement means NEC Corporation and also includes its majority-owned subsidiaries. (2) "NEC semiconductor products" means any semiconductor product developed or manufactured by or for NEC (as defined above).
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