• 1 WATT ZENER DIODES
• LEADLESS PACKAGE FOR SURFACE MOUNT
• DOUBLE PLUG CONSTRUCTION
• METALLURGICALLY BONDED
CDLL4728
thru
CDLL4764A
and
CDLL1W110
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
Power Derating: 20mW / °C above TEC = +125°C
Forward voltage @ 200mA: 1.2 volts maximum
ELECTRICAL CHARACTERISTICS
@ 25°C, unless otherwise specified.
CDI
TYPE
NUMBER
NOMINAL
ZENER
VOLTAGE
VZ
(Note 1&3)
VOLTS
CDLL4728A
CDLL4729A
CDLL4730A
CDLL4731A
CDLL4732A
CDLL4733A
CDLL4734A
CDLL4735A
CDLL4736A
CDLL4737A
CDLL4738A
CDLL4739A
CDLL4740A
CDLL4741A
CDLL4742A
CDLL4743A
CDLL4744A
CDLL4745A
CDLL4746A
CDLL4747A
CDLL4748A
CDLL4749A
CDLL4750A
CDLL4751A
CDLL4752A
CDLL4753A
CDLL4754A
CDLL4755A
CDLL4756A
CDLL4757A
CDLL4758A
CDLL4759A
CDLL4760A
CDLL4761A
CDLL4762A
CDLL4763A
CDLL4764A
CDLL1W110A
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
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
TEST
CURRENT
lZT
mA
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
29
17
15.5
14
12.5
11.5
10.5
9.5
8.5
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.7
3.3
3.0
2.8
2.5
2.3
MAXIMUM
ZENER
IMPEDANCE
ZZT @ lZT
(Note 2)
OHMS
10
10
9
9
8
7
5
2
3.5
4.0
4.5
5.0
7
8
9
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
110
125
150
175
200
250
350
450
MAXIMUM
REVERSE
CURRENT
lR @ VR
TEST
VOLTAGE
VR
VOLTS
1
1
1
1
1
1
2
3
4
5
6
7
7.6
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56.0
62.2
69.2
76.0
83.6
MAXIMUM
KNEE
IMPEDANCE
ZZK @ lZK
(Note 2)
OHMS
400
400
400
400
500
550
600
700
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
TEST
CURRENT
lZK
mA
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
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
µ
A
100
100
100
10
10
5
5
5
3
3
3
3
3
2
1
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
DIM
D
F
G
G1
S
MILLIMETERS
MIN MAX
2.39
2.66
0.41
0.55
4.80
5.20
4.11 REF.
0.03 MIN.
INCHES
MIN MAX
.094 .105
.016 .022
.189 .205
.159 REF.
.001 MIN.
FIGURE 1
DESIGN DATA
CASE:
DO-213AB, Hermetically sealed
glass case. (MELF, LL41)
LEAD FINISH:
Tin / Lead
THERMAL RESISTANCE: (R
OJEC):
100 ˚C/W maximum at L = 0 inch
THERMAL IMPEDANCE: (Z
OJX): 15
˚C/W maximum
POLARITY:
Diode to be operated with
the banded (cathode) end positive.
MOUNTING SURFACE SELECTION:
The Axial Coefficient of Expansion
(COE) Of this Device is Approximately
+6PPM/°C. The COE of the Mounting
Surface System Should Be Selected To
Provide A Suitable Match With This
Device.
NOTE 1
“A” suffix = + 5%, no suffix = +10%, "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 or lZK.
NOTE 3
Nominal Zener voltage is measured with the device junction in thermal equilibrium
at an ambient temperature of 25°C + 3°C.
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
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