irfs644b Fairchild Semiconductor, irfs644b Datasheet - Page 4

• Manufacturer Part Number: irfs644b
• Description: 250v N-channel Mosfet
• Manufacturer: Fairchild Semiconductor

©2001 Fairchild Semiconductor Corporation
Typical Characteristics
15
12
9
6
3
0
Figure 9-1. Maximum Safe Operating Area
25
10
1.2
1.1
1.0
0.9
0.8
10
10
10
-100
-1
2
1
0
Figure 7. Breakdown Voltage Variation
10
0
Figure 10. Maximum Drain Current
50
-50
vs Case Temperature
T
T
V
C
vs Temperature
J
, Case Temperature [  ]
, Junction Temperature [
DS
Operation in This Area
is Limited by R
0
, Drain-Source Voltage [V]
 Notes :
for IRF644B
75
10
1. T
2. T
3. Single Pulse
1
C
J
= 150
= 25
o
C
DS(on)
o
C
50
100
DC
10 ms
100
(Continued)
o
C]
1 ms
 Notes :
10
1. V
2. I
125
2
D
100 s
G S
= 250  A
= 0 V
150
150
200
Figure 9-2. Maximum Safe Operating Area
10
10
10
10
10
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-1
-2
-100
2
1
0
10
0
Figure 8. On-Resistance Variation
-50
V
T
vs Temperature
J
DS
, Junction Temperature [
for IRFS644B
0
, Drain-Source Voltage [V]
 Notes :
Operation in This Area
is Limited by R
10
1. T
2. T
3. Single Pulse
1
C
J
= 150
= 25
o
C
o
C
50
DS(on)
DC
100 ms
10 ms
100
o
C]
1 ms
10
2
100 s
 Notes :
1. V
2. I
150
D
GS
= 7.0 A
= 10 V
Rev. A, November 2001
200