SEMICONDUCTOR
NACS Series
Air Cooled Single Phase Diode Stack
RoHS
RoHS
FEATURES
Air-cooling fixture
Easy connnection
Current rating : 200A-500A / 500V
Stack of higher voltage are available
Upon request
APPLICATION
Welder
OUTLINE
AC
AC
+
-
-
+
NACS200~NACS500
Part Number
Io ( Ta=45 C )
A
±ê´¦¸ üÄ Äþ Å ©× Ö Õ Ú
¼ ÇÊ ½¸Î ¼º Ç
ÈÆ
V
± ê ¼ ¯
mA
×»
É è¼ Æ
UDQ-1C
V RRM
I RRM
µç¸úû÷ Å
º»ÕÁÇ
Vfm
V
1.3
1.3
1.3
1.3
1.3
° æ ± ¾ º Å Ö Ø Á ¿± È À ½
Tjm
2005
C
²
¹
Õ Å µÚ
Õ Å
NACS-200
NACS-300
NACS-350
NACS-400
NACS-500
Tjm= 3 m/s
Tstg : - 40~160 C
Mounting Base Torque > 12.5 Nm
Ö ÆÍ ¼
200
É óº Ë
¹ ¤Ò Õ
300
350
400
500
500
500
500
500
500
É ó¶ ¨
È ÕÆ Ú
5
6
7
8
10
60
Ì » ° µ Ì Ó Ï ¹ Ë
Ï宨ùë¼åÐÞ«¾
·
65
70
80
85
SEMICONDUCTOR
NACS Series
Surge current vs. Cycles ( per unit )
Peak half sine wave forward current , A
550
500
450
(per unit)
RoHS
RoHS
Peak forward voltage vs. Peak forward current
Instantanueous forward voltage , V
3.5
3
2.5
2
1.5
1
0.5
0
1
10
100
1000
60Hz
60Hz
400
350
50H
Z
50Hz
300
250
200
150
100
1
10
100
Instantanueous forward current , A
Number of Cycles , N
Max. Power dissipation vs. Mean forward current
(per unit)
50
Max. Case temperature vs. Mean forward current
(per unit)
180
Max. forward dissipation , W
0
180
40
Case temperature , C
1phases
1 phase
160
140
120
100
80
60
0
180
Conduction Angle
30
6phases
6 phase
3
3phases
phase
Conduction Angle
20
10
6phases
6 phase
3phases 1phases
3 phase 1 phase
0
0
10
20
30
40
40
0
10
20
30
40
50
60
Mean forward current , A
Mean forward current , A
Max. Power dissipation vs. Mean forward current
(per unit)
40
Max. Case temperature vs. Mean forward current
(per unit)
180
Max. forward dissipation , W
D
DC
30
Case temperature , C
160
140
120
100
80
60
Conduction Angle
3 phase
3phases
20
6phases
6 phase
1phases
1 phase
Conduction Angle
10
6 phase 3 phase1 phase
D
6phases 3phases 1phases
DC
0
0
10
20
30
40
40
0
20
40
60
Mean forward current , A
Mean forward current , A
Analog electronics
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