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Transistor
2SD1979
Silicon NPN epitaxial planer type
For low-voltage output amplification For muting For DC-DC converter
0.30.0
+0.1
Unit: mm
(0.425)
0.150.05
+0.10
1.250.10
q q q
Low ON resistance Ron. High foward current transfer ratio hFE. S-Mini type package, allowing downsizing of the equipment and automatic insertion through the tape packing and the magazine packing.
10u
2.10.1 5u
s Features
3
1
2
(0.65) (0.65) 1.30.1 2.00.2
Collector to base voltage Collector to emitter voltage Emitter to base voltage Peak collector current Collector current Collector power dissipation Junction temperature Storage temperature
VCBO VCEO VEBO ICP IC PC Tj Tstg
50 20 25 500 300 150 150 -55 ~ +150
V V V mA mA mW C C
1:Base 2:Emitter 3:Collector
0 to 0.1
Parameter
Symbol
Ratings
Unit
0.90.1
0.90.1
+0.2
s Absolute Maximum Ratings
(Ta=25C)
EIAJ:SC-70 SMini3-G1 Package
Marking symbol : 3W
s Electrical Characteristics
Parameter Collector cutoff current Emitter cutoff current Collector to emitter voltage Forward current transfer ratio Collector to emitter saturation voltage Base to emitter voltage Transition frequency Collector output capacitance ON resistanse
*1h
(Ta=25C)
Symbol ICBO IEBO VCEO hFE*1 VCE(sat) VBE fT Cob Ron*2
*2R on
Conditions VCB = 50V, IE = 0 VEB = 25V, IC = 0 IC = 1mA, IB = 0 VCE = 2V, IC = 4mA IC = 30mA, IB = 3mA VCE = 2V, IC = 4mA VCB = 6V, IE = -4mA, f = 200MHz VCB = 10V, IE = 0, f = 1MHz
min
typ
max 1 1
0.20.1
Unit A A V
20 500 2500 0.1 0.6 80 4.5 1.0
V V MHz pF
FE
Rank classification
Rank hFE S 500 ~ 1500 3WS T 800 ~ 2500 3WT
Measurement circuit
1k
IB=1mA f=1kHz V=0.3V
Marking Symbol
VB
VV
VA
Ron=
VB 1000() VA-VB
644
Transistor
PC -- Ta
240 24 Ta=25C 200 20 100
2SD1979
IC -- VCE
120 VCE=2V 25C Ta=75C -25C
IC -- VBE
Collector power dissipation PC (mW)
Collector current IC (mA)
160
16
9A 8A 7A
Base current IB (mA)
12
IB=10A
80
120
12
6A 5A
60
80
8
4A 3A
40
40
4
2A 1A
20
0 0 20 40 60 80 100 120 140 160
0 0 2 4 6 8 10
0 0 0.2 0.4 0.6 0.8 1.0 1.2
Ambient temperature Ta (C)
Collector to emitter voltage VCE (V)
Base to emitter voltage VBE (V)
VCE(sat) -- IC
Collector to emitter saturation voltage VCE(sat) (V)
10 3 1 0.3 0.1 0.03 0.01 0.003 0.001 0.1 Ta=75C 25C -25C IC/IB=10 2400
hFE -- IC
120 VCE=2V
fT -- I E
VCB=6V Ta=25C
Forward current transfer ratio hFE
2000
Transition frequency fT (MHz)
30 100 300 1000
100
1600 Ta=75C 25C -25C 800
80
1200
60
40
400
20
0 0.3 1 3 10 30 100 1 3 10
0 -1
-3
-10
-30
-100
Collector current IC (mA)
Collector current IC (mA)
Emitter current IE (mA)
Cob -- VCB
12
Collector output capacitance Cob (pF)
10
f=1MHz IE=0 Ta=25C
8
6
4
2
0 1 3 10 30 100
Collector to base voltage VCB (V)
645
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(1) An export permit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this material and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. (2) The technical information described in this material is limited to showing representative characteristics and applied circuit examples of the products. It does not constitute the warranting of industrial property, the granting of relative rights, or the granting of any license. (3) The products described in this material are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances). Consult our sales staff in advance for information on the following applications: * Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the products may directly jeopardize life or harm the human body. * Any applications other than the standard applications intended. (4) The products and product specifications described in this material are subject to change without notice for reasons of modification and/or improvement. At the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date Product Standards in advance to make sure that the latest specifications satisfy your requirements. (5) When designing your equipment, comply with the guaranteed values, in particular those of maximum rating, the range of operating power supply voltage and heat radiation characteristics. Otherwise, we will not be liable for any defect which may arise later in your equipment. Even when the products are used within the guaranteed values, redundant design is recommended, so that such equipment may not violate relevant laws or regulations because of the function of our products. (6) When using products for which dry packing is required, observe the conditions (including shelf life and after-unpacking standby time) agreed upon when specification sheets are individually exchanged. (7) No part of this material may be reprinted or reproduced by any means without written permission from our company.
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A. These materials are intended as a reference to assist customers with the selection of Panasonic semiconductor products best suited to their applications. Due to modification or other reasons, any information contained in this material, such as available product types, technical data, and so on, is subject to change without notice. Customers are advised to contact our semiconductor sales office and obtain the latest information before starting precise technical research and/or purchasing activities. B. Panasonic is endeavoring to continually improve the quality and reliability of these materials but there is always the possibility that further rectifications will be required in the future. Therefore, Panasonic will not assume any liability for any damages arising from any errors etc. that may appear in this material. C. These materials are solely intended for a customer's individual use. Therefore, without the prior written approval of Panasonic, any other use such as reproducing, selling, or distributing this material to a third party, via the Internet or in any other way, is prohibited.
2001 MAR

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