VEGA Z728 Zener barriers - Manual (Page 9)

9
Zener barriers - operating instructions
How to select the correct barrier
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
Da
te of issu
e
05/2
3
/03
Type Nominal data Ex-characteristics for [EEx ia] IIC Certification no.
+ ve - ve a.c. V W U
z
(V) R
min
( W) I
K
(mA) P
max
(W) C
max
(µF) L
max
(mH) L/R Ratio
– – Z966 12
12
150
150
12
12
24
147
147
73.5
82
82
164
0.24
0.24
0.48
1.41
1.41
0.125
5.52
5.52
1.38
147
147
57
BAS 01 ATEX 7005
–
–
–
–
Z966.F
Z966.H
12
12
12
12
150
150
75
75
12
12
24
12
12
24
147
147
73.5
73.5
73.5
36.5
82
82
164
164
164
328
0.24
0.24
0.49
0.49
0.49
0.98
1.41
1.41
0.125
1.38
1.38
0.33
75
75
36
BAS 01 ATEX 7096
BAS 01 ATEX 7005
Z772 Z872 – 22
22
150
150
22
22
22
147
147
73.5
150
150
300
0.82
0.82
1.64
0.17
0.17
1.45
1.45
45
45
BAS 01 ATEX 7005
Z778
Z779
Z779.H
Z779.F
Z779.H.F
Z878
Z879
Z879.H
Z879.F
Z879.H.F
–
–
–
–
–
28
28
28
28
28
28
28
28
28
28
600
600
300
300
240
240
300
300
240
240
28
28
28
28
28
28
28
28
28
28
28
28
28
607
607
303.5
301
301
150.5
235
235
117.5
301
301
235
235
46
46
93
93
93
186
119
119
238
93
93
120
120
0.32
0.32
0.65
0.65
0.65
1.3
0.83
0.83
1.67
0.65
0.65
0.83
0.83
0.083
0.083
0.083
0.083
0.083
0.083
0.083
0.083
0.083
0.083
0.083
17.2
17.2
3.05
3.05
3.05
1.82
1.82
4.21
4.21
2.59
2.59
109
109
42
56
56
44
44
55
55
44
44
BAS 01 ATEX 7005
BAS 01 ATEX 7005
BAS 01 ATEX 7005
BAS 00 ATEX 7096
BAS 01 ATEX 7096
Z796 Z896 – 26.6
20.5
320
415
26.6
20.5
26.6
314
407
177
85
50
135
0.56
0.26
0.82
0.094
0.204
0.094
5.14
14.6
2.05
64
138
34
BAS 01 ATEX 7005
Z788
Z788.H
Z788.R
Z888
Z888.H
–
–
–
–
28
10
28
10
28
10
300
50
240
50
300
50
28
9.56
28
28
9.56
28
28
9.56
28
301
49
42
235
49
40
301
49
42
93
195
288
119
195
314
93
195
288
0.65
0.47
0.87
0.83
0.47
1.0
0.65
0.47
0.87
0.083
3.0
0.083
0.083
3.0
0.083
0.083
3.0
0.083
3.05
0.86
0.32
1.82
0.86
0.26
3.05
0.86
0.32
56
73
26
44
73
25
56
73
26
BAS 01 ATEX 7005
BAS 01 ATEX 7005
BAS 01 ATEX 7005
Z786 Z886 28
28
28
Diode
Diode
Diode
28
28
28
Diode
Diode
Diode
0
0
0
0.0
0.0
0.0
0.083
0.083
0.083
–
–
–
–
–
–
BAS 01 ATEX 7005
Z787
Z787.H
Z787.F
Z787.H.F
Z887
Z887.H
Z887.F
Z887.H.F
–
–
–
–
28
28
28
28
28
28
28
28
300
Diode
240
Diode
300
Diode
240
Diode
28
28
28
28
28
28
28
28
28
28
28
28
301
Diode
301
235
Diode
235
301
21.8
301
235.2
14.7
235.2
93
0
93
119
0
119
93
Diode
93
120
Diode
120
0.65
0
0.65
0.83
0
0.83
0.65
0
0.65
0.83
0
0.83
0.083
0.083
0.083
0.083
0.083
0.083
0.083
0.083
0.083
0.083
0.083
0.083
3.05
–
3.05
2.82
2.82
4.21
–
4.21
2.59
–
2.59
56
–
56
44
44
55
–
55
44
–
44
BAS 01 ATEX 7005
BAS 01 ATEX 7005
BAS 01 ATEX 7096
BAS 01 ATEX 7096
no approval for IIC
no approval for IIC
no approval for IIC
see note 1