23 MILS
15 MILS
15
M
ILS
23
MILS
ZENER DIODE CHIPS
ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE
ELECTRICALLY EQUIVALENT TO 1N4728A THRU 1N4764A
1 WATT CAPABILITY WITH PROPER HEAT SINKING
COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES,
WITH THE EXCEPTION OF SOLDER REFLOW
CD4728A
thru
CD4764A
DESIGN DATA
METALLIZATION:
Top: (Anode)................ ....Al
Back: (Cathode)............. Au
AL THICKNESS...... .....25,000
Min
GOLD THICKNESS........4,000
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
MAXIMUM RATINGS
Operating Temperature: -65C to +175C
Storage Temperature: -65C to +175C
Forward Voltage @ 200 mA: 1.5 Volts Maximum
ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified
NOMINAL
MAXIMUM
MAXIMUM
MAXIMUM
TYPE
ZENER
TEST
ZENER
REVERSE
TEST
KNEE
TEST
NUMBER
VOLTAGE
CURRENT
IMPEDANCE
CURRENT
VOLTAGE
IMPEDANCE
CURRENT
(VZ)
(lZT)
(ZZT @ lZT)
(lR @ VR)
(VR)
(ZZK )
(lZK)
(Note 1)
(Note 2)
(Note 2)
VOLTS
mA
OHMS
A
VOLTS
OHMS
mA
CD4728A
3.3
76
10
100
1
400
1.0
CD4729A
3.6
69
10
100
1
400
1.0
CD4730A
3.9
64
9
100
1
400
1.0
CD4731A
4.3
58
9
10
1
400
1.0
CD4732A
4.7
53
8
10
1
500
1.0
CD4733A
5.1
49
7
5
1
550
1.0
CD4734A
5.6
45
5
5
2
600
1.0
CD4735A
6.2
41
2
5
3
700
1.0
CD4736A
6.8
37
3.5
3
4
700
1.0
CD4737A
7.5
34
4.0
3
5
700
0.5
CD4738A
8.2
31
4.5
3
6
700
0.5
CD4739A
9.1
28
5.0
3
7
700
0.5
CD4740A
10
25
7
3
7.6
700
0.25
CD4741A
11
23
8
2
8.4
700
0.25
CD4742A
12
21
9
1
9.1
700
0.25
CD4743A
13
19
10
0.5
9.9
700
0.25
CD4744A
15
17
14
0.1
11.4
700
0.25
CD4745A
16
15.5
16
0.1
12.2
700
0.25
CD4746A
18
14
20
0.1
13.7
750
0.25
CD4747A
20
12.5
22
0.1
15.2
750
0.25
CD4748A
22
11.5
23
0.1
16.7
750
0.25
CD4749A
24
10.5
25
0.1
18.2
750
0.25
CD4750A
27
9.5
35
0.1
20.6
750
0.25
CD4751A
30
8.5
40
0.1
22.8
1000
0.25
CD4752A
33
7.5
45
0.1
25.1
1000
0.25
CD4753A
36
7.0
50
0.1
27.4
1000
0.25
CD4754A
39
6.5
60
0.1
29.7
1000
0.25
CD4755A
43
6.0
70
0.1
32.7
1500
0.25
CD4756A
47
5.5
80
0.1
35.8
1500
0.25
CD4757A
51
5.0
95
0.1
38.8
1500
0.25
CD4758A
56
4.5
110
0.1
42.6
2000
0.25
CD4759A
62
4.0
125
0.1
47.1
2000
0.25
CD4760A
68
3.7
150
0.1
51.7
2000
0.25
CD4761A
75
3.3
175
0.1
56.0
2000
0.25
CD4762A
82
3.0
200
0.1
62.2
3000
0.25
CD4763A
91
2.8
250
0.1
69.2
3000
0.25
CD4764A
100
2.5
350
0.1
76.0
3000
0.25
NOTE 1 Zener voltage range equals nominal Zener voltage + 5% for "A" Suffix. No Suffix
denotes + 10%. Zener voltage is read using a pulse measurement, 10 milliseconds
maximum. "C" suffix = + 2% and "D" suffix = + 1%.
NOTE 2 Zener impedance is derived by superimposing on lZT A 60Hz rms a.c. current
equal to 10% of lZT.
BACKSIDE IS CATHODE
FIGURE 1
22 COREY STREET, MELROSE, MASSACHUSETTS 02176
PHONE (781) 665-1071
FAX (781) 665-7379
WEBSITE: http://www.cdi-diodes.com
E-mail: mail@cdi-diodes.com
PDF 
ZIP