
MITSUBISHI Nch POWER MOSFET
FS2KM-12
HIGH-SPEED SWITCHING USE
FS2KM-12
¡VDSS ................................................................................600V
¡r
DS (ON) (MAX) ................................................................ 6.4Ω
D ............................................................................................ 2A
¡I 
¡V
iso ................................................................................ 2000V
OUTLINE DRAWING Dimensions in mm
10 ± 0.3 2.8 ± 0.2
3 ± 0.33.6 ± 0.3
15 ± 0.314 ± 0.5
123
w
q
e
6.5 ± 0.3
φ 3.2 ± 0.2
1.1 ± 0.2
1.1 ± 0.2
0.75 ± 0.15
2.54 ± 0.252.54 ± 0.25
2.6 ± 0.2
q GATE 
w DRAIN 
e SOURCE
0.75 ± 0.15
4.5 ± 0.2
TO-220FN
APPLICATION
SMPS, DC-DC Converter, battery charger, power 
supply of printer, copier, HDD, FDD, TV, VCR, personal computer etc.
MAXIMUM RATINGS (Tc = 25°C)
Symbol Parameter Conditions Ratings Unit 
VDSS 
VGSS 
ID 
IDM 
PD 
Tch 
Tstg 
Viso
Drain-source voltage 
Gate-source voltage 
Drain current 
Drain current (Pulsed) 
Maximum power dissipation 
Channel temperature 
Storage temperature 
Isolation voltage 
Weight
—
VGS = 0V 
VDS = 0V
AC for 1minute, Terminal to case 
Typical value
600 
±30
2 
6
30 
–55 ~ +150 
–55 ~ +150
2000
2.0
V 
V 
A 
A
W
°C 
°C
Vrms
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
iss
C 
Coss 
Crss 
td (on) 
tr 
td (off) 
tf 
VSD 
Rth (ch-c)
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
ID = 1mA, VGS = 0V 
IG = ±100µA, VDS = 0V 
VGS = ±25V , VDS = 0V 
V
DS = 600V, VGS = 0V
D = 1mA, VDS = 10V
I 
ID = 1A, VGS = 10V 
ID = 1A, VGS = 10V 
I
D = 1A, VDS = 10V
VDS = 25V, VGS = 0V, f = 1MHz
DD = 200V, ID = 1A, VGS = 10V, RGEN = RGS = 50Ω
V
IS = 1A, VGS = 0V 
Channel to case
MITSUBISHI Nch POWER MOSFET
FS2KM-12
HIGH-SPEED SWITCHING USE
Limits
Min. Typ. Max.
600 
±30
— 
—
2 
— 
—
0.8 
— 
— 
— 
— 
— 
— 
— 
— 
—
— 
— 
— 
—
3
5.0
5.0
1.3
300
30
5 
13 
10 
30 
30
1.5 
—
— 
—
±10
6.4
6.4 
— 
— 
— 
— 
— 
— 
— 
—
2.0
4.17
V 
V
µA
mA
1
V
4
Ω
V
S 
pF 
pF 
pF
ns 
ns 
ns 
ns
V
°C/W
PERFORMANCE CURVES
POWER DISSIPATION DERATING CURVE
50
 (W)
40
D
30
20
10
POWER DISSIPATION  P
0
CASE TEMPERATURE  T
OUTPUT CHARACTERISTICS
5
PD = 30W
4
 (A)
D
3
2
1
DRAIN CURRENT  I
0
0 1020304050
(TYPICAL)
C
 (°C)
TC = 25°C 
Pulse Test 
VGS = 20V 
      10V 
       8V
6V 
5V 
MAXIMUM SAFE OPERATING AREA
1
10
7 
5
3 
2
 (A)
D
0
10
7 
5
3 
2
–1
10
7 
5
DRAIN CURRENT  I
200150100500
TC = 25°C
3
Single Pulse
2
–2
10
23 5710123 5710223 571032
DRAIN-SOURCE VOLTAGE  V
tw=10µs
100µs
1ms
10ms
DC
DS
 (V)
OUTPUT CHARACTERISTICS
(TYPICAL)
VGS=20V
10V
 8V
6V 
PD = 30W 
 (A)
D
2.0
1.6
TC = 25°C 
Pulse Test 
1.2
0.8 
5V 
0.4
DRAIN CURRENT  I
0
0 4 8 12 16 20
DRAIN-SOURCE VOLTAGE  VDS (V)
DRAIN-SOURCE VOLTAGE  VDS (V)
Feb.1999
 

MITSUBISHI Nch POWER MOSFET
FS2KM-12
HIGH-SPEED SWITCHING USE
ON-STATE VOLTAGE VS.
GATE-SOURCE VOLTAGE
(TYPICAL)
40
32
24
DS (ON) (V)
16
VOLTAGE  V
8
DRAIN-SOURCE ON-STATE
0
0 4 8 12 16 20
GATE-SOURCE VOLTAGE  V
TRANSFER CHARACTERISTICS
(TYPICAL)
10
8
6
4
2
DRAIN CURRENT  ID (A)
TC=25°C 
Pulse Test
ID=3A
GS (V)
TC = 25°C 
VDS = 50V 
Pulse Test
2A
1A
ON-STATE RESISTANCE VS.
DRAIN CURRENT
(TYPICAL)
10
TC=25°C 
Pulse Test
8
6
DS (ON) (Ω)
4
2
RESISTANCE  r
DRAIN-SOURCE ON-STATE
0
–2
2310
5710–123 5710023 5710
DRAIN CURRENT  I
FORWARD TRANSFER ADMITTANCE
VS.DRAIN CURRENT
(TYPICAL)
1
10
7 
5
3
fs (S)
10
2
0
TC = 25°C
7 
5
3
ADMITTANCE  y
FORWARD TRANSFER
125°C
2
VGS=10V
75°C
20V
D (A)
VDS = 10V 
Pulse Test
1
0
0 4 8 12 16 20
GATE-SOURCE VOLTAGE  V
DRAIN-SOURCE VOLTAGE
7 
5
3 
2
2
10
7 
5
3 
2
CAPACITANCE
1
10
Ciss, Coss, Crss (pF)
7
Tch=25°C
5
f=1MHz
3
VGS=0V
2
23 5710
DRAIN-SOURCE VOLTAGE  V
CAPACITANCE VS.
(TYPICAL)
0
23 5710
1
23 571022
GS (V)
Ciss
Coss
Crss
DS (V)
–1
10
10–123 5710
DRAIN CURRENT  I
SWITCHING CHARACTERISTICS
(TYPICAL)
5
3 
2
tf
2
10
7
td(off)
5
3 
2
SWITCHING TIME  (ns)
10
td(on)
1
tr
7 
5
–1
23 5710
10
DRAIN CURRENT  ID (A)
0
23 5710
D (A)
Tch = 25°C 
VDD = 200V 
VGS = 10V 
RGEN = RGS = 50Ω
0
23 5710
1
1
Feb.1999
 

MITSUBISHI Nch POWER MOSFET
FS2KM-12
HIGH-SPEED SWITCHING USE
GATE-SOURCE VOLTAGE
VS.GATE CHARGE
(TYPICAL)
20
16
12
Tch = 25°C 
ID = 2A
V
DS 
= 100V
200V
 (V)
GS
400V
8
4
GATE-SOURCE VOLTAGE  V
0
0 4 8 12 16 20
GATE CHARGE  Q
g
 (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
–50
DRAIN-SOURCE ON-STATE RESISTANCE  r
DRAIN-SOURCE ON-STATE RESISTANCE  r
CHANNEL TEMPERATURE  Tch (°C)
0 50 100 150
SOURCE-DRAIN DIODE
FORWARD CHARACTERISTICS
(TYPICAL)
10
8
 (A)
S
TC=125°C
6
4
2
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)
BREAKDOWN VOLTAGE VS.
 (t°C)
 (25°C)
CHANNEL TEMPERATURE
(TYPICAL)
1.4
BR (DSS)
BR (DSS)
VGS = 0V 
ID = 1mA
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
TRANSIENT THERMAL IMPEDANCE
 (°C/W)
1
10
7
D=1
(ch–c)
5
th
3
0.5
2
0.2
0
10
0.1
7 
5
3 
2
–1
10
7 
5
3 
2
–2
10
–4
23 57
10
10
TRANSIENT THERMAL IMPEDANCE  Z
CHARACTERISTICS
0.05
0.02
0.01
Single Pulse
–3
–2
23 57 23 57 23 57
10
10
–1
PULSE WIDTH  t
P
10023 57
w
 (s)
DM
tw
D= 
T
tw
T
10123 57
2
10
Feb.1999