irfs644b Fairchild Semiconductor, irfs644b Datasheet - Page 5

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

©2001 Fairchild Semiconductor Corporation
Typical Characteristics
1 0
1 0
1 0
1 0
1 0
1 0
Figure 11-2. Transient Thermal Response Curve for IRFS644B
- 1
- 2
Figure 11-1. Transient Thermal Response Curve for IRF644B
0
1 0
-1
-2
0
1 0
- 5
-5
D = 0 .5
0 . 0 2
0 . 0 5
0 . 0 1
0 . 2
D = 0 .5
0 . 0 1
0 . 1
0 . 0 5
0 . 0 2
0 . 2
0 . 1
1 0
(Continued)
1 0
s in g le p u ls e
- 4
-4
s in g le p u ls e
t
t
1
1
, S q u a re W a v e P u ls e D u ra tio n [s e c ]
, S q u a re W a v e P u ls e D u ra tio n [s e c ]
1 0
1 0
- 3
-3
1 0
1 0
- 2
-2
 N o te s :
1 0
1 0
1 . Z
2 . D u ty F a c to r, D = t
3 . T
 N o te s :
- 1
P
-1
1 . Z
2 . D u ty F a c to r, D = t
3 . T
P
 J C
J M
DM
DM
- T
(t) = 0 .9  /W M a x .
 J C
J M
C
- T
(t) = 2 .8 9  /W M a x .
= P
C
= P
t
D M
1
t
1
t
1 0
2
t
* Z
1 0
D M
2
0
1
 J C
* Z
/t
0
2
1
(t)
 J C
/t
2
(t)
1 0
1 0
1
1
Rev. A, November 2001