Datasheet
IRLB8721PbF
www.irf.com 3
Fig 4. Normalized On-Resistance
vs. Temperature
Fig 2. Typical Output CharacteristicsFig 1. Typical Output Characteristics
Fig 3. Typical Transfer Characteristics
0.1 1 10 100
V
DS
, Drain-to-Source Voltage (V)
1
10
100
1000
I
D
,
D
r
a
i
n
-
t
o
-
S
o
u
r
c
e
C
u
r
r
e
n
t
(
A
)
≤ 60μs PULSE WIDTH
Tj = 25°C
3.0V
VGS
TOP 10V
9.0V
7.0V
5.5V
4.5V
4.0V
3.5V
BOTTOM 3.0V
0.1 1 10 100
V
DS
, Drain-to-Source Voltage (V)
1
10
100
1000
I
D
,
D
r
a
i
n
-
t
o
-
S
o
u
r
c
e
C
u
r
r
e
n
t
(
A
)
≤ 60μs PULSE WIDTH
Tj = 175°C
3.0V
VGS
TOP 10V
9.0V
7.0V
5.5V
4.5V
4.0V
3.5V
BOTTOM 3.0V
0.0 2.0 4.0 6.0 8.0
V
GS
, Gate-to-Source Voltage (V)
0.1
1
10
100
1000
I
D
,
D
r
a
i
n
-
t
o
-
S
o
u
r
c
e
C
u
r
r
e
n
t
(
A
)
V
DS
= 15V
≤ 60μs PULSE WIDTH
T
J
= 25°C
T
J
= 175°C
-60 -40 -20 0 20 40 60 80 100 120 140 160 180
T
J
, Junction Temperature (°C)
0.5
1.0
1.5
2.0
R
D
S
(
o
n
)
,
D
r
a
i
n
-
t
o
-
S
o
u
r
c
e
O
n
R
e
s
i
s
t
a
n
c
e
(
N
o
r
m
a
l
i
z
e
d
)
I
D
= 25A
V
GS
= 10V









