CD957B thru CD986B
Zener Diode Chip Series
Rev. V5
Features
•
0.5 W Capability with Proper Heat Sinking
•
Electrically Equivalent to 1N957B
-
1N986B
•
All Junction Protected with Silicon Dioxide
Die
Description
These 0.5 W zener diodes are electrically equivalent
to the 1N957B
-
1N986B series diodes. They are
compatible with all wire bonding and die attach
techniques with the exception of solder reflow.
These diodes are available in JANHC and JANKC
per MIL-PRF-19500/117.
Electrical Specifications: T
A
= +25°C (unless otherwise specified)
Nominal
Part #
Zener Voltage
V
Z
@ I
ZT1
V
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
110
Zener
Test Current
I
ZT
mA
18.5
16.5
15.0
14.0
12.5
11.5
10.5
9.5
8.5
7.8
7.0
6.2
5.6
5.2
4.6
4.2
3.8
3.4
3.2
3.0
2.7
2.5
2.2
2.0
1.8
1.7
1.5
1.4
1.3
1.1
Z
ZT
@ I
ZT
Ω
4.5
5.5
3.5
7.5
8.5
9.5
11.5
13
16
17
21
25
29
33
41
49
58
70
90
93
105
125
150
185
230
270
330
400
500
750
Maximum
Zener Impedance
Ω
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
1000
1000
1000
1000
1500
1500
1500
2000
2000
2000
2000
3000
3000
3000
4000
2
Maximum
I
R
@ V
R
mA
1.0
0.5
0.5
0.5
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
µA
5.0
5.0
5.0
5.0
2.0
1.0
1.0
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
V
5.2
5.7
6.2
6.9
7.6
8.4
9.1
9.9
11
12
14
15
17
18
21
23
25
27
30
33
36
39
43
47
52
56
62
69
76
84
Maximum
I
ZM
mA
55
50
45
41
38
32
31
28
25
24
20
18
16
15
13
12
11
10
9.5
8.8
7.9
7.4
6.8
6.0
5.5
5.0
4.6
4.1
3.7
3.3
Reverse Leakage Current Zener Current
Z
ZK
@ I
ZK
CD957B
CD958B
CD959B
CD960B
CD961B
CD962B
CD963B
CD964B
CD965B
CD966B
CD967B
CD968B
CD969B
CD970B
CD971B
CD972B
CD973B
CD974B
CD975B
CD976B
CD977B
CD978B
CD979B
CD980B
CD981B
CD982B
CD983B
CD984B
CD985B
CD986B
1
1. Zener voltage range equals nominal voltage ±5% for “B” suffix. “A suffix denotes ±10%, No suffix denotes ±20%, “C” suffix = ±2% and “D”
suffix = ±1%. Zener voltage is read using a pulse measurement, 10 milliseconds maximum.
2. Zener impedance is derived by superimposing on I
ZT
at 60 HZ RMS AC current equal to 10% of I
ZT
.
VPT Components and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit
www.vptcomponents.com
for additional data sheets and product information.
For further information and support please visit:
info@vptcomponents.com
CD957B thru CD986B
Zener Diode Chip Series
Rev. V5
Absolute Maximum Ratings
5,6
Forward Voltage
Operating Temperature
Storage Temperature
1.5 V @ 200 mA
-65°C
to +175°C
-65°C
to +175°C
Zener Impedance vs. Operating Current
5. Exceeding any one or combination of these limits may cause
permanent damage to this device.
6.
VPT Components does not recommend sustained operation
near these survivability limits.
Die
Top: (anode) AL
Back: (cathode) Au
AL Thickness:
25,000 Å Minimum
Gold Thickness:
4,000 Å Minimum
Chip Thickness:
10 mils
Circuit Layout Data: For Zener operation, cathode must be
operated positive with respect to anode.
Metallization:
2
VPT Components and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit
www.vptcomponents.com
for additional data sheets and product information.
For further information and support please visit:
info@vptcomponents.com
CD957B thru CD986B
Zener Diode Chip Series
Rev. V5
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Components assumes no liability whatsoever. VPT Components assumes no responsibility for errors or omissions in these
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Components makes no commitment to update the information and shall have no responsibility whatsoever for conflicts or
incompatibilities arising from future changes to its specifications and product descriptions. No license, express or implied,
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3
VPT Components and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit
www.vptcomponents.com
for additional data sheets and product information.
For further information and support please visit:
info@vptcomponents.com
Test/Measurement
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