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
CDI 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
lZK
(Note 1&3)
(Note 2)
(Note 2)
VOLTS
mA
OHMS
A
VOLTS
OHMS
mA
CDLL4728A
3.3
76
10
100
1
400
1.0
CDLL4729A
3.6
69
10
100
1
400
1.0
CDLL4730A
3.9
64
9
100
1
400
1.0
CDLL4731A
4.3
58
9
10
1
400
1.0
CDLL4732A
4.7
53
8
10
1
500
1.0
CDLL4733A
5.1
49
7
5
1
550
1.0
CDLL4734A
5.6
45
5
5
2
600
1.0
CDLL4735A
6.2
41
2
5
3
700
1.0
CDLL4736A
6.8
37
3.5
3
4
700
1.0
CDLL4737A
7.5
34
4.0
3
5
700
0.5
CDLL4738A
8.2
31
4.5
3
6
700
0.5
CDLL4739A
9.1
28
5.0
3
7
700
0.5
CDLL4740A
10
25
7
3
7.6
700
0.25
CDLL4741A
11
23
8
2
8.4
700
0.25
CDLL4742A
12
21
9
1
9.1
700
0.25
CDLL4743A
13
29
10
0.5
9.9
700
0.25
CDLL4744A
15
17
14
0.1
11.4
700
0.25
CDLL4745A
16
15.5
16
0.1
12.2
700
0.25
CDLL4746A
18
14
20
0.1
13.7
750
0.25
CDLL4747A
20
12.5
22
0.1
15.2
750
0.25
CDLL4748A
22
11.5
23
0.1
16.7
750
0.25
CDLL4749A
24
10.5
25
0.1
18.2
750
0.25
CDLL4750A
27
9.5
35
0.1
20.6
750
0.25
CDLL4751A
30
8.5
40
0.1
22.8
1000
0.25
CDLL4752A
33
7.5
45
0.1
25.1
1000
0.25
CDLL4753A
36
7.0
50
0.1
27.4
1000
0.25
CDLL4754A
39
6.5
60
0.1
29.7
1000
0.25
CDLL4755A
43
6.0
70
0.1
32.7
1500
0.25
CDLL4756A
47
5.5
80
0.1
35.8
1500
0.25
CDLL4757A
51
5.0
95
0.1
38.8
1500
0.25
CDLL4758A
56
4.5
110
0.1
42.6
2000
0.25
CDLL4759A
62
4.0
125
0.1
47.1
2000
0.25
CDLL4760A
68
3.7
150
0.1
51.7
2000
0.25
CDLL4761A
75
3.3
175
0.1
56.0
2000
0.25
CDLL4762A
82
3.0
200
0.1
62.2
3000
0.25
CDLL4763A
91
2.8
250
0.1
69.2
3000
0.25
CDLL4764A
100
2.5
350
0.1
76.0
3000
0.25
CDLL1W110A
110
2.3
450
0.1
83.6
4000
0.25
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 25C + 3C.
MAXIMUM RATINGS
Operating Temperature: -65C to +175C
Storage Temperature: -65C to +175C
Power Derating: 20mW / C above TEC = +125C
Forward voltage @ 200mA: 1.2 volts maximum
ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified.
FIGURE 1
DESIGN DATA
CASE: DO-213AB, Hermetically sealed
glass case. (MELF, LL41)
LEAD FINISH: Tin / Lead
THERMAL RESISTANCE: (ROJEC):
100 C/W maximum at L = 0 inch
THERMAL IMPEDANCE: (ZOJX): 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.
MILLIMETERS INCHES
DIM
MIN
MAX
MIN
MAX
D
2.39
2.66
.094
.105
F
0.41
0.55
.016
.022
G
4.80
5.20
.189
.205
G1
4.11 REF.
.159 REF.
S
0.03 MIN.
.001 MIN.
1 WATT ZENER DIODES
LEADLESS PACKAGE FOR SURFACE MOUNT
DOUBLE PLUG CONSTRUCTION
METALLURGICALLY BONDED
CDLL4728
thru
CDLL4764A
and
CDLL1W110
CDLL4728 thru CDLL4764A and CDLL1W110
.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
1000
500
400
300
200
100
50
40
30
20
10
5
4
3
2
1
ZENER
IMPEDANCE
Z
ZT
(OHMS)
3.3
VOL
T
5.1
VOL
T
27
VOL
T
11
V
OL
T
6.2
VOL
T
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