CLL4728A THRU CLL4764A
SURFACE MOUNT
SILICON ZENER DIODE
1 WATT, 3.3 THRU 100 VOLTS
w w w. c e n t r a l s e m i . c o m
DESCRIPTION:
The CENTRAL SEMICONDUCTOR CLL4728A Series
Silicon Zener Diode is a high quality voltage regulator
for use in surface mount industrial, commercial,
entertainment and computer applications.
MARKING: CATHODE BAND
MELF CASE
MAXIMUM RATINGS:
(TA=25 °C)
SYMBOL
Power Dissipation
PD
1.0
Operating and Storage Junction Temperature
TJ, Tstg
-65 to +200
VZ Tolerance: Part number with “A” suffix
±5
VZ Tolerance: Part number with “C” suffix
±2
VZ Tolerance: Part number with “D” suffix
±1
ELECTRICAL CHARACTERISTICS:
(TA=25 °C) VF=1.2MAX @ IF =200mA (for all types)
TYPE
ZENER
VOLTAGE
VZ @ IZT
V
CLL4728A
CLL4729A
CLL4730A
CLL4731A
CLL4732A
CLL4733A
CLL4734A
CLL4735A
CLL4736A
CLL4737A
CLL4738A
CLL4739A
CLL4740A
CLL4741A
CLL4742A
CLL4743A
CLL4744A
CLL4745A
CLL4746A
CLL4747A
CLL4748A
CLL4749A
CLL4750A
CLL4751A
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
UNITS
W
°C
%
%
%
MAXIMUM
CURRENT
IZM
V
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
7.6
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
TEST
CURRENT
IZT
mA
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
17
15.5
14
12.5
11.5
10.5
9.5
8.5
MAXIMUM ZENER IMPEDANCE
ZZT @ IZT
Ω
10
10
9.0
9.0
8.0
7.0
5.0
2.0
3.5
4.0
4.5
5.0
7.0
8.0
9.0
10
14
16
20
22
23
25
35
40
MAXIMUM REVERSE
CURRENT
I R @ VR
μA
100
100
50
10
10
10
10
10
10
10
10
10
10
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
ZZK @ IZK
Ω
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
1000
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
mA
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
304
285
250
225
205
190
170
150
R4 (21-April 2010)
CLL4728A THRU CLL4764A
SURFACE MOUNT
SILICON ZENER DIODE
1 WATT, 3.3 THRU 100 VOLTS
ELECTRICAL CHARACTERISTICS - Continued:
(TA=25 °C) VF=1.2MAX @ IF =200mA (for all types)
TYPE
ZENER
VOLTAGE
VZ @ IZT
V
CLL4752A
CLL4753A
CLL4754A
CLL4755A
CLL4756A
CLL4757A
CLL4758A
CLL4759A
CLL4760A
CLL4761A
CLL4762A
CLL4763A
CLL4764A
33
36
39
43
47
51
56
62
68
75
82
91
100
TEST
CURRENT
IZT
mA
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
MAXIMUM ZENER IMPEDANCE
ZZT @ IZT
Ω
45
50
60
70
80
95
110
125
150
175
200
250
350
MAXIMUM REVERSE
CURRENT
IR @ VR
μA
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
MAXIMUM
CURRENT
IZM
ZZK @ IZK
Ω
1000
1000
1000
1500
1500
1500
2000
2000
2000
2000
3000
3000
3000
mA
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
V
25.1
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56
62.2
69.2
76
mA
135
125
115
110
95
90
80
70
65
60
55
50
45
MELF CASE - MECHANICAL OUTLINE
MARKING: CATHODE BAND
R4 (21-April 2010)
w w w. c e n t r a l s e m i . c o m
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Central’s applications engineering team is ready to discuss your design challenges. Just ask.
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nd
day air)
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REQUESTING PRODUCT PLATING
1.
2.
If requesting Tin/Lead plated devices, add the suffix “ TIN/LEAD” to the part number when
ordering (example: 2N2222A TIN/LEAD).
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when ordering (example: 2N2222A PBFREE).
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w w w. c e n t r a l s e m i . c o m
(001)
http://www.centralsemi.com
PDN01083
5/31/18
11/30/18
5/31/19
Summary:All extreme low and high voltage Zener diodes in the MELF package are discontinued and now classified as End of Life (EOL).
Although Central Semiconductor Corp. makes every effort to continue to produce devices that have been proclaimed EOL (End of Life) by
other manufacturers, it is an accepted industry practice to discontinue certain devices when customer demand falls below a minimum level of
sustainability. Accordingly, the following product(s) have been transitioned to End of Life status as part of Central's ongoing Product
Management Process. Any replacement products are noted below. The effective date for placing last purchase orders will be six (6) months
from the date of this notice and twelve (12) months from the notice date for final shipments, and minimum order quantities may apply.
The last purchase and shipment dates may be extended if inventory is available.
Central Part Number
CLL4728A BK
CLL4728A TR
CLL4729A BK
CLL4729A TR
CLL4729C BK
CLL4729C TR
CLL4730A BK
CLL4730A TR
CLL4731A BK
CLL4731A TR
CLL4732A BK
CLL4732A TR
CLL4733A BK
CLL4733A TR
CLL4733D TR
CLL4734A BK
CLL4734A TR
CLL4735A BK
CLL4735A TR
CLL4735D BK
CLL4735D TR
CLL4755A BK
CLL4755A TR
CLL4756A BK
CLL4756A TR
CLL4757A BK
CLL4757A TR
CLL4758A BK
CLL4758A TR
CLL4759A BK
CLL4759A TR
CLL4760A BK
CLL4760A TR
CLL4761A BK
CLL4761A TR
*** CONTINUED ***
Replacement
N/A
N/A
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N/A
N/A
N/A
N/A
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N/A
N/A
N/A
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http://www.centralsemi.com
PDN01083
5/31/18
11/30/18
5/31/19
*** CONTINUED FROM PRIOR PAGE ***
Central Part Number
Replacement
Central would be happy to assist you by providing additional information or technical data to help locate an alternate source if we
have no replacement available. Please email your requests to engineering@centralsemi.com.
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