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Transistor
2SC3938
Silicon NPN epitaxial planer type
For high speed switching
Unit: mm
2.10.1
s Features
q q q
0.425
1.250.1
0.425
q
High-speed switching. Low collector to emitter saturation voltage VCE(sat). S-Mini type package, allowing downsizing of the equipment and automatic insertion through the tape packing and the magazine packing. Allowing pair use with 2SA1739.
0.65
1
2.00.2
1.30.1
0.65
3
2
0.2
0.90.1
s Absolute Maximum Ratings
Parameter Collector to base voltage Collector to emitter voltage Emitter to base voltage Peak collector current Collector current Collector power dissipation Junction temperature Storage temperature Symbol VCBO VCES VEBO ICP IC PC Tj Tstg
(Ta=25C)
Ratings 40 40 5 300 100 150 150 -55 ~ +150 Unit V V V mA mA mW C C
0.70.1
0 to 0.1
0.20.1
1:Base 2:Emitter 3:Collector
EIAJ:SC-70 S-Mini Type Package
Marking symbol : 2Y
s Electrical Characteristics
Parameter Collector cutoff current Emitter cutoff current Forward current transfer ratio Collector to emitter saturation voltage Base to emitter saturation voltage Transition frequency Collector output capacitance Turn-on time Turn-off time Storage time
*h
(Ta=25C)
Symbol ICBO IEBO hFE* VCE(sat) VBE(sat) fT Cob ton toff tstg Refer to the measurment circuit Conditions VCB = 40V, IE = 0 VEB = 4V, IC = 0 VCE = 1V, IC = 10mA IC = 10mA, IB = 1mA IC = 10mA, IB = 1mA VCB = 10V, IE = -10mA, f = 200MHz VCB = 10V, IE = 0, f = 1MHz 450 2 17 17 10 6 60 0.17 min typ max 0.1 0.1 200 0.25 1.0 V V MHz pF ns ns ns Unit A A
FE
Rank classification
Rank hFE Marking Symbol Q 60 ~ 120 2YQ R 90 ~ 200 2YR
0.15-0.05
+0.1
0.3-0
+0.1
1
Transistor
Switching time measurement circuit ton, toff Test Circuit
0.1F Vout 220 Vin=10V 50 3.3k 3.3k Vbb= -3V 50 Vin=10V VCC=3V 500 50 Vbb=2V VCC=10V A 910 0.1F 500 90
2SC3938
PC -- Ta tstg Test Circuit
0.1F 1k Vout
240
Collector power dissipation PC (mW)
200
160
120
80
Vin Vout
10% 90%
Vin Vout
10% 90%
0 Vin
10% 10% tstg (Waveform at A)
40
Vout ton toff
0 0 20 40 60 80 100 120 140 160
Ambient temperature Ta (C)
IC -- VCE
Collector to emitter saturation voltage VCE(sat) (V)
120 Ta=25C 100 100 30 10 3 1
VCE(sat) -- IC
Base to emitter saturation voltage VBE(sat) (V)
IC/IB=10 100 30 10 3 1 0.3 0.3 0.03 0.01 0.3 1 3 10 30 100 1 3
VBE(sat) -- IC
Collector current IC (mA)
IB=3.0mA 2.5mA 2.0mA 1.5mA
80
60 1.0mA 40 0.5mA 20
Ta=75C 0.3 0.3 0.03 0.01 0.1 25C -25C
Ta=-25C 25C 75C
0 0 0.2 0.4 0.6 0.8 1.0 1.2
10
30
100
300
1000
Collector to emitter voltage VCE (V)
Collector current IC (mA)
Collector current IC (mA)
hFE -- IC
600 VCE=1V 600
fT -- I E
6
Cob -- VCB
Collector output capacitance Cob (pF)
VCE=10V Ta=25C IE=0 f=1MHz Ta=25C
Forward current transfer ratio hFE
500
Transition frequency fT (MHz)
500
5
400
400
4
300
300
3
200
Ta=75C 25C -25C
200
2
100
100
1
0 0.1
0.3
1
3
10
30
100
0 -1
0 -3 -10 -30 -100 -300 -1000 1 3 10 30 100
Collector current IC (mA)
Emitter current IE (mA)
Collector to base voltage VCB (V)
2
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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.
Please read the following notes before using the datasheets
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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