
MITSUBISHI Nch POWER MOSFET
FK20VS-5
HIGH-SPEED SWITCHING USE
FK20VS-5
DSS ................................................................................250V
¡V 
¡r
DS (ON) (MAX) ..............................................................0.24Ω
¡I
D ......................................................................................... 20A
¡Integrated Fast Recovery Diode (MAX.) ........150ns
OUTLINE DRAWING Dimensions in mm
r
+0.3
–0.5
3.0
q
10.5MAX.
1
qwe
5
wr
e
0.8
1.5MAX.
9.8 ± 0.5
8.6 ± 0.3
1.5MAX.
4.5
2.6 ± 0.4
q GATE 
w DRAIN 
e SOURCE 
r DRAIN
4.5
0.5
1.3
+0.3
0 
 –0
TO-220S
(1.5)
APPLICATION
Servo motor drive, Robot, UPS, Inverter Fluorecent 
lamp, etc.
MAXIMUM RATINGS (Tc = 25°C)
Parameter ConditionsSymbol Ratings Unit 
VDSS 
VGSS 
ID 
IDM 
IS 
ISM 
PD 
Tch 
Tstg
Drain-source voltage 
Gate-source voltage 
Drain current 
Drain current (Pulsed) 
Source current 
Source current (Pulsed) 
Maximum power dissipation 
Channel temperature 
Storage temperature
—
Weight
VGS = 0V 
VDS = 0V
Typical value
250 
±30
20 
60 
20 
60
150 
–55 ~ +150 
–55 ~ +150
1.2
V 
V 
A 
A 
A 
A
W
°C 
°C
g
Feb.1999
 

ELECTRICAL CHARACTERISTICS (Tch = 25°C)
Symbol UnitParameter Test conditions
V 
(BR) DSS
V 
(BR) GSS
IGSS 
IDSS 
VGS (th) 
rDS (ON) 
VDS (ON) 
yfs 
Ciss 
Coss 
Crss 
td (on) 
tr 
td (off) 
tf 
VSD 
Rth (ch-c) 
trr
Drain-source breakdown voltage 
Gate-source breakdown voltage 
Gate-source leakage current 
Drain-source leakage current 
Gate-source threshold voltage 
Drain-source on-state resistance 
Drain-source on-state voltage 
Forward transfer admittance 
Input capacitance 
Output capacitance 
Reverse transfer capacitance 
Turn-on delay time 
Rise time 
Turn-off delay time 
Fall time 
Source-drain voltage 
Thermal resistance 
Reverse recovery time
ID = 1mA, VGS = 0V 
IG = ±100µA, VDS = 0V 
VGS = ±25V , VDS = 0V 
VDS = 250V, VGS = 0V 
ID = 1mA, VDS = 10V 
ID = 10A, VGS = 10V 
ID = 10A, VGS = 10V 
ID = 10A, VDS = 10V
VDS = 25V, VGS = 0V, f = 1MHz
VDD = 150V, ID = 10A, VGS = 10V, RGEN = RGS = 50Ω
IS = 10A, VGS = 0V 
Channel to case 
IS = 20A, dis/dt = –100A/µs
MITSUBISHI Nch POWER MOSFET
FK20VS-5
HIGH-SPEED SWITCHING USE
Limits 
Min. Typ. Max. 
250 
±30
— 
—
— 
—
8.5 
— 
— 
— 
— 
— 
— 
— 
— 
— 
—
— 
— 
—
— 
—
±10
—
2
3
0.19
1.9
13.0
1400
280
55 
25 
50
150
65
1.5 
— 
—
0.24
2.4 
— 
— 
— 
— 
— 
— 
— 
—
2.0
0.83 
150
V 
V
µA
mA
1
V
4
Ω
V
S 
pF 
pF 
pF
ns 
ns 
ns 
ns
V
°C/W
ns
PERFORMANCE CURVES
POWER DISSIPATION DERATING CURVE
200
 (W)
160
D
120
80
40
POWER DISSIPATION  P
0
CASE TEMPERATURE  T
C
 (°C)
MAXIMUM SAFE OPERATING AREA
2
10
7 
5
3 
2
 (A)
D
1
10
7 
5
3 
2
0
10
7 
5
10
3 
2
–1
0
10
TC = 25°C 
Single Pulse
23 5710
1
23 5710223 5710
DRAIN CURRENT  I
200150100500
DRAIN-SOURCE VOLTAGE  V
tw=10µs
100µs
1ms
10ms
DC
DS
 (V)
3
Feb.1999
 

MITSUBISHI Nch POWER MOSFET
FK20VS-5
HIGH-SPEED SWITCHING USE
OUTPUT CHARACTERISTICS
(TYPICAL)
PD = 150W
 (A)
D
50
40
V
GS 
= 20V
10V
7V
TC = 25°C 
Pulse Test
30
20
10
DRAIN CURRENT  I
0
0 1020304050
DRAIN-SOURCE VOLTAGE  VDS (V)
ON-STATE VOLTAGE VS.
GATE-SOURCE VOLTAGE
(TYPICAL)
20
TC = 25°C 
Pulse Test
16
 (V)
12
DS (ON)
6V
5V
ID = 40A
OUTPUT CHARACTERISTICS
(TYPICAL)
VGS=20V 10V
20
6V
16
 (A)
D
12
8
4
DRAIN CURRENT  I
0
0 4 8 12 16 20
DRAIN-SOURCE VOLTAGE  VDS (V)
ON-STATE RESISTANCE VS.
DRAIN CURRENT
(TYPICAL)
0.5 
TC = 25°C 
Pulse Test
0.4
 (Ω)
0.3
DS (ON)
TC = 25°C 
Pulse Test
PD = 150W
V
GS 
= 10V
5.5V
5V
4.5V
4V
20V
8
VOLTAGE  V
4
DRAIN-SOURCE ON-STATE
0
0 4 8 12 16 20
GATE-SOURCE VOLTAGE  V
TRANSFER CHARACTERISTICS
(TYPICAL)
40
32
 (A)
D
24
16
8
DRAIN CURRENT  I
0
0 4 8 12 16 20
20A
10A
GS
 (V)
TC = 25°C 
VDS = 50V 
Pulse Test
0.2
0.1
RESISTANCE  r
DRAIN-SOURCE ON-STATE
0
–1
5710023 5710123 5710
2310
DRAIN CURRENT  I
FORWARD TRANSFER ADMITTANCE
VS.DRAIN CURRENT
(TYPICAL)
2
10
V
DS 
= 10V
7
Pulse Test
5
(S)
3
fs
2
1
10
7 
5
3
ADMITTANCE  y
FORWARD TRANSFER
2
0
10
10023 5710
D
 (A)
TC = 25°C
75°C
125°C
1
23 5710
2
2
GATE-SOURCE VOLTAGE  V
GS
 (V)
DRAIN CURRENT  I
D
 (A)
Feb.1999
 

DRAIN-SOURCE VOLTAGE
5
3 
2
3
10
7 
5
3 
2
2
10
CAPACITANCE
7 
5
Ciss, Coss, Crss (pF)
3
Tch = 25°C
2
f = 1MHz
GS 
= 0V
V
1
10
23 5710
DRAIN-SOURCE VOLTAGE  V
CAPACITANCE VS.
(TYPICAL)
0
23 5710
1
23 5710
Ciss
Coss
Crss
DS
2
 (V)
23
MITSUBISHI Nch POWER MOSFET
HIGH-SPEED SWITCHING USE
SWITCHING CHARACTERISTICS
3
10
7 
5
3 
2
2
10
7 
5
3
SWITCHING TIME  (ns)
2
1
10
0
23 5710
10
(TYPICAL)
t
d(off)
t
f
t
r
t
d(on)
DRAIN CURRENT  ID (A)
Tch = 25°C 
VDD = 150V 
VGS = 10V 
R
GEN
 = R
1
23 5710
FK20VS-5
GS
 = 25Ω
2
GATE-SOURCE VOLTAGE
VS.GATE CHARGE
(TYPICAL)
20
16
12
Tch = 25°C 
ID = 20A
V
DS 
100V
= 50V
 (V)
GS
200V
8
4
GATE-SOURCE VOLTAGE  V
0
0 20406080100
g
GATE CHARGE  Q
 (nC)
ON-STATE RESISTANCE VS.
CHANNEL TEMPERATURE
 (t°C)
 (25°C)
DS (ON)
DS (ON)
10
1
7 
5
VGS = 10V 
ID = 1/2I 
Pulse Test
(TYPICAL)
D
3 
2
0
10
7 
5
3 
2
–1
10
0
50 100 150 200 250
DRAIN-SOURCE ON-STATE RESISTANCE  r
DRAIN-SOURCE ON-STATE RESISTANCE  r
CHANNEL TEMPERATURE  Tch (°C)
SOURCE-DRAIN DIODE
FORWARD CHARACTERISTICS
(TYPICAL)
40
TC = 125°C
32
 (A)
S
24
16
8
SOURCE CURRENT  I
0
0 0.8 1.6 2.4 3.2 4.0
SOURCE-DRAIN VOLTAGE  V
THRESHOLD VOLTAGE VS.
CHANNEL TEMPERATURE
(TYPICAL)
5.0 
VDS = 10V
ID = 1mA
4.0
 (V)
3.0
GS (th)
2.0
VOLTAGE  V
1.0
GATE-SOURCE THRESHOLD
0
–50 0 50 100 150
CHANNEL TEMPERATURE  Tch (°C)
25°C
75°C
VGS = 0V 
Pulse Test
SD
 (V)
Feb.1999
 

MITSUBISHI Nch POWER MOSFET
FK20VS-5
HIGH-SPEED SWITCHING USE
BREAKDOWN VOLTAGE VS.
 (t°C)
 (25°C)
CHANNEL TEMPERATURE
(TYPICAL)
1.4
(BR) DSS
(BR) DSS
VGS = 0V
D
 = 1mA
I
1.2
1.0
0.8
0.6
0.4 
–50 0 50 100 150
DRAIN-SOURCE BREAKDOWN VOLTAGE  V 
CHANNEL TEMPERATURE  Tch (°C)
DRAIN-SOURCE BREAKDOWN VOLTAGE  V 
DIODE REVERSE VS.
SOURCE CURRENT d
is/dt
 CHARACTERISTIC
(TYPICAL)
(ns) 
rr 
10
5
3 
2
t
rr
2
IS = 20A
GS
 = 0V
V 
V
DD
 = 150V
7 
5
3 
2
I
rr
1
10
7
REVERSE RECOVERY TIME  t
5
1
23 5710
10
Tch = 25°C 
T
ch
 = 150°C
2
23 5710
SOURCE CURRENT CHARACTERISTIC
3
10
d
is/dt
7
(ns) 
rr 
GS
 = 0V
V
5
DD
 = 150V
V
3 
2
2
10
t
rr
7 
5
3 
2
REVERSE RECOVERY TIME  t
1
10
0
23 5710
10
TRANSIENT THERMAL IMPEDANCE
 (°C/W)
5
3 
2
10 
7
5
3 
2
10 
7
5
3
1
0
1
10
(A) 
7
rr 
(ch–c)
5
th
3 
2
0
D=1
10
7
0.5
5 
3
0.2
2
0.1
–1
10
7 
5
3 
2
–2
10
REVERSE RECOVERY CURRENT  I
10
–4
23 57
0.05
0.02
0.01
Single Pulse
–3
23 57 23 57 23 57
10
DIODE REVERSE VS.
(TYPICAL)
 = –100A/µs
I
rr
Tch = 25°C
ch
 = 150°C
T
1
23 5710
SOURCE CURRENT  IS (A)
CHARACTERISTICS
P
10
–2
10
–1
10023 57
DM
tw
D= 
T
tw
T
2
10 
7
5
3 
2
1
10 
7
5
3 
2
0
10
2
10123 57
(A) 
rr 
REVERSE RECOVERY CURRENT  I
2
10
SOURCE CURRENT  dis/dt (–A/µs)
TRANSIENT THERMAL IMPEDANCE  Z
PULSE WIDTH  t
w
 (s)
Feb.1999