• 1N962B THRU 1N986B AVAILABLE IN
JANHC AND JANKC
PER MIL-PRF-19500/117
• ZENER DIODE CHIPS
• 0.5 WATT CAPABILITY WITH PROPER HEAT SINKING
• ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE
• COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES,
WITH THE EXCEPTION OF SOLDER REFLOW
CD957B
thru
CD986B
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
Forward Voltage @ 200mA: 1.5 volts maximum
23 MILS
15 MILS
ELECTRICAL CHARACTERISTICS @ 25°C
CDI
TYPE
NUMBER
(NOTE 1)
NOMINAL
ZENER
VOLTAGE
VZ
(NOTE 2)
VOLTS
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
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
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
ZENER
TEST
CURRENT
l ZT
MAXIMUM ZENER IMPEDANCE
(NOTE 3)
ZZT @ l ZT
OHMS
4.5
5.5
6.5
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
ZZK @ l ZK
OHMS
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
mA
1.0
.5
.5
.5
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
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
MAX. DC
ZENER
CURRENT
l ZM
MAX. REVERSE
LEAKAGE CURRENT
lR @ VR
Backside is Cathode
µ
A
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
VOLTS
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
FIGURE 1
DESIGN DATA
METALLIZATION:
Top: (Anode) .....................Al
Back: (Cathode) ...............Au
AL THICKNESS...........25,000
Å
Min
GOLD THICKNESS.
......4,000
Å
Min
CHIP THICKNESS.
................10 Mils
CIRCUIT LAYOUT DATA:
For Zener operation, cathode
must be operated positive
with respect to anode.
TOLERANCES:
ALL
Dimensions + 2 mils
NOTE 1
NOTE 2
NOTE 3
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.
Zener impedance is derived by superimposing on 1ZT A 60Hz rms a.c. current equal
to 10% of 1ZT
6 LAKE STREET, LAWRENCE,
PHONE (978) 620-2600
WEBSITE: http://www.microsemi.com
M A S S A C H U S E T T S 01841
FAX (978) 689-0803
181
15 MILS
23 MILS
CD957B
thru
CD986B
1000
500
400
300
200
ZENER IMPEDANCE ZZT (OHMS)
3.
3
VO
LT
27
100
VO
LT
1
5.
L
VO
T
50
40
30
20
11
VO
LT
10
6.2
5
4
3
2
VO
LT
1
.1
.2 .3 .4 .5
1
2
5
10
20
30 40
50
100
OPERATING CURRENT lZT (mA)
FIGURE 3
ZENER IMPEDANCE VS. OPERATING CURRENT
182
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