Ordering number : ENA0686
2SK3978
SANYO Semiconductors
DATA SHEET
2SK3978
Features
•
•
•
N-Channel Silicon MOSFET
General-Purpose Switching Device
Applications
Low ON-resistance.
Ultrahigh-speed switching.
4V drive
Specifications
Absolute Maximum Ratings
at Ta=25°C
Parameter
Drain-to-Source Voltage
Gate-to-Source Voltage
Drain Current (DC)
Drain Current (Pulse)
Allowable Power Dissipation
Channel Temperature
Storage Temperature
Symbol
VDSS
VGSS
ID
IDP
PD
Tch
Tstg
PW≤10µs, duty cycle≤1%
Tc=25°C
Conditions
Ratings
200
±20
4
16
1
20
150
--55 to +150
Unit
V
V
A
A
W
W
°C
°C
Electrical Characteristics
at Ta=25°C
Parameter
Drain-to-Source Breakdown Voltage
Zero-Gate Voltage Drain Current
Gate-to-Source Leakage Current
Cutoff Voltage
Forward Transfer Admittance
Static Drain-to-Source On-State Resistance
Symbol
V(BR)DSS
IDSS
IGSS
VGS(off)
yfs
RDS(on)1
RDS(on)2
Conditions
ID=1mA, VGS=0V
VDS=200V, VGS=0V
VGS=±16V, VDS=0V
VDS=10V, ID=1mA
VDS=10V, ID=2A
ID=2A, VGS=10V
ID=2A, VGS=4V
Ratings
min
200
1
±10
1.2
3.2
5.3
420
450
550
640
2.6
typ
max
Unit
V
µA
µA
V
S
mΩ
mΩ
Marking: K3978
Continued on next page.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer' s products 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 customer' s products or
equipment.
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
13107PA TI IM TC-00000325 No. A0686-1/4
2SK3978
Continued from preceding page.
Parameter
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Turn-ON Delay Time
Rise Time
Turn-OFF Delay Time
Fall Time
Total Gate Charge
Gate-to-Source Charge
Gate-to-Drain “Miller” Charge
Diode Forward Voltage
Symbol
Ciss
Coss
Crss
td(on)
tr
td(off)
tf
Qg
Qgs
Qgd
VSD
Conditions
VDS=20V, f=1MHz
VDS=20V, f=1MHz
VDS=20V, f=1MHz
See specified Test Circuit.
See specified Test Circuit.
See specified Test Circuit.
See specified Test Circuit.
VDS=100V, VGS=10V, ID=4A
VDS=100V, VGS=10V, ID=4A
VDS=100V, VGS=10V, ID=4A
IS=4A, VGS=0V
Ratings
min
typ
950
44
26
12.2
8.4
96
32
21
2.8
4.7
0.88
1.2
max
Unit
pF
pF
pF
ns
ns
ns
ns
nC
nC
nC
V
Package Dimensions
unit : mm (typ)
7518-004
6.5
5.0
2.3
1.5
Package Dimensions
unit : mm (typ)
7003-004
0.5
4
4
7.0
1.5
6.5
5.0
2.3
0.5
5.5
5.5
7.0
0.8
1.6
7.5
1
0.5
0.6
2
0.8
1.2
3
0 to 0.2
1.2
0.6
2.5
0.85
0.7
0.85
0.5
1.2
1
2
3
1 : Gate
2 : Drain
3 : Source
4 : Drain
SANYO : TP
2.3
2.3
1 : Gate
2 : Drain
3 : Source
4 : Drain
SANYO : TP-FA
2.3
2.3
Switching Time Test Circuit
VDD=100V
10V
0V
VIN
ID=2A
RL=50Ω
VIN
PW=10µs
D.C.≤1%
D
G
VOUT
P.G
50Ω
S
2SK3978
No. A0686-2/4
2SK3978
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
ID -- VDS
V
4V
6
ID -- VGS
VDS=10V
10
Drain Current, ID -- A
V
6V
8V
5
Drain Current, ID -- A
15
V GS=3V
4
3
Ta=7
5
25
°
C
2
°
C
Gate-to-Source Voltage, VGS -- V
--25
°
C
1
Drain-to-Source Voltage, VDS -- V
1000
IT12063
1200
IT12064
RDS(on) -- VGS
RDS(on) -- Ta
Static Drain-to-Source
On-State Resistance, RDS(on) -- m
Ω
900
800
700
600
500
400
300
200
100
0
0
2
4
6
8
10
12
Static Drain-to-Source
On-State Resistance, RDS(on) -- m
Ω
Ta=25°C
ID=2A
1000
800
600
400
A
=2
, ID
A
4V
=2
S=
, ID
VG
0V
=1
V GS
200
14
16
0
--60
--40
--20
0
20
40
60
80
100
120
140
160
Gate-to-Source Voltage, VGS -- V
10
IT12065
10
7
5
3
2
Ambient Temperature, Ta --
°C
IT12066
y
fs -- ID
IS -- VSD
VGS=0V
Forward Transfer Admittance,
y
fs -- S
7
5
VDS=10V
2
1.0
7
5
3
2
0.1
0.01
=
Ta
--2
C
5
°
Source Current, IS -- A
3
1.0
7
5
3
2
0.1
7
5
3
2
0.01
7
5
3
2
0
0.2
0.001
2
3
5 7 0.1
2
3
5 7 1.0
2
3
Drain Current, ID -- A
3
2
5 7 10
IT12067
3
0.4
Ta=7
5
°
C
0.6
--25
°
C
0.8
25
°
C
75
°
C
°
C
25
1.0
1.2
IT12068
SW Time -- ID
td(off)
Ciss, Coss, Crss -- VDS
f=1MHz
Diode Forward Voltage, VSD -- V
VDD=100V
VGS=10V
Ciss, Coss, Crss -- pF
2
1000
7
5
3
2
100
7
5
3
2
10
Switching Time, SW Time -- ns
Ciss
100
7
5
3
2
tf
td(on)
10
7
5
3
0.1
tr
Coss
Crss
0
10
20
30
40
50
60
70
80
90
100
2
3
5
7
1.0
2
3
5
7
Drain Current, ID -- A
IT12069
Drain-to-Source Voltage, VDS -- V
IT12070
No. A0686-3/4
2SK3978
10
9
VGS -- Qg
VDS=100V
ID=4A
Drain Current, ID -- A
3
2
10
7
5
3
2
1.0
7
5
3
2
0.1
7
5
3
2
ASO
IDP=16A
ID=4A
DC
op
Gate-to-Source Voltage, VGS -- V
8
7
6
5
4
3
2
1
0
0
5
10
15
20
25
IT12071
≤10µs
10
0
µ
s
10
era
tio
10
0m
1m
s
ms
s
n(
Tc
=
Operation in this
area is limited by RDS(on).
Tc=25
°
C
Single pulse
2 3
5 7 1.0
2 3
5 7 10
2 3
25
°
C
)
0.01
0.1
Total Gate Charge, Qg -- nC
1.2
PD -- Ta
Allowable Power Dissipation, PD -- W
Drain-to-Source Voltage, VDS
25
5 7 100
2 3
IT12072
-- V
PD -- Tc
Allowable Power Dissipation, PD -- W
1.0
20
0.8
0.6
No
15
he
at
sin
k
10
0.4
0.2
5
0
0
20
40
60
80
100
120
140
160
0
0
20
40
60
80
100
120
140
160
Ambient Temperature, Ta --
°C
IT12073
Case Temperature, Tc --
°C
IT12074
Note on usage : Since the 2SK3978 is a MOSFET product, please avoid using this device in the vicinity
of highly charged objects.
SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using
products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd.
products described or contained herein.
SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all
semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or
malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise
to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt
safety measures so that 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 or all SANYO Semiconductor Co.,Ltd. products described or contained herein are
controlled under any of applicable local export control laws and regulations, such products may require the
export license from the authorities concerned in accordance with the above law.
No part of this publication may be reproduced or transmitted in any form or by any means, electronic or
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without the prior written consent of SANYO Semiconductor Co.,Ltd.
Any and all information described or contained herein are subject to change without notice due to
product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the
SANYO Semiconductor Co.,Ltd. product that you intend to use.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed
for volume production.
Upon using the technical information or products described herein, neither warranty nor license shall be granted
with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third
party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's
intellctual property rights which has resulted from the use of the technical information and products mentioned
above.
This catalog provides information as of January, 2007. Specifications and information herein are subject
to change without notice.
PS No. A0686-4/4
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