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參數資料
| 型號： | 71816 |
| 英文描述： | Dual-Synchronous Buck Controllers for Point-of-Load, Tracking, and DDR Memory Power Supplies |
| 中文描述： | 是屏障 |
| 文件頁數： | 4/6頁 |
| 文件大?。?/td> | 72K |
| 代理商： | 71816 |
450
I
1
Subject to reasonable modifications due to technical advances.
Pepperl+Fuchs Group Tel.: Germany (06 21) 7 76-0 USA (330) 4 25 35 55 Singapore 7 79 90 91 Internet http://www.pepperl-fuchs.com
Copyright Pepperl+Fuchs, Printed in Germany
Zener barriers - Operating instructions
How to select the correct barrier
Type
- ve
Z878
Nominal data
See circuit dia-
gram No.
Circuit diagram
Hazardous area
connections
Safe area
connections
+ ve
Z778
a.c.
–
V
28
28
600
600
Z779
Z779.H
Z879
Z879.H
–
28
28
28
28
300
300
240
240
4), 5)
4), 5)
4), 5)
8)
9)
10)
11)
Z796
Z896
–
26.6
20.5
320
415
4), 5)
Z788
+
Z788.H
Z788.R
Z788.R.H
Z888
+
Z888.H
Z888.R
Z888.R.H
–
28
10
28
10
28
10
300
50
240
50
240
50
4), 5)
4), 5)
7)
4), 5)
Z786
Z886
28
28
Diode
Diode
8)
Z787
Z787.H
Z887
Z887.H
–
28
28
28
28
300
Diode
240
Diode
9)
9)
–
–
Z960
10
10
50
50
10)
–
–
Z965
15
15
100
100
10)
–
–
Z967
17
17
120
120
10)
–
–
Z972
22
22
300
300
10)
–
–
Z978
28
28
620
620
10)
All diodes are turned 180
for the -VE- version.
1
8
4
5
2
7
3
6
x3
x3
All diodes are turned 180
for the -VE- version.
1
8
4
5
2
7
3
6
x3
x3
1
8
4
5
2
7
3
6
x3
1
8
4
5
2
7
3
6
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