CLL4728A THRU CLL4764A
SURFACE MOUNT
SILICON ZENER DIODE
1 WATT, 3.3 THRU 100 VOLTS
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
TYPE ZENER
VOLTAGE
TEST
CURRENT MAXIMUM ZENER IMPEDANCE MAXIMUM REVERSE
CURRENT
MAXIMUM
CURRENT
VZ @ IZT IZT ZZT @ IZT ZZK @ IZK IR @ VRIZM
VmAΩ ΩmAμA VmA
CLL4728A 3.3 76 10 400 1.0 100 1.0 1380
CLL4729A 3.6 69 10 400 1.0 100 1.0 1260
CLL4730A 3.9 64 9.0 400 1.0 50 1.0 1190
CLL4731A 4.3 58 9.0 400 1.0 10 1.0 1070
CLL4732A 4.7 53 8.0 500 1.0 10 1.0 970
CLL4733A 5.1 49 7.0 550 1.0 10 1.0 890
CLL4734A 5.6 45 5.0 600 1.0 10 2.0 810
CLL4735A 6.2 41 2.0 700 1.0 10 3.0 730
CLL4736A 6.8 37 3.5 700 1.0 10 4.0 660
CLL4737A 7.5 34 4.0 700 0.5 10 5.0 605
CLL4738A 8.2 31 4.5 700 0.5 10 6.0 550
CLL4739A 9.1 28 5.0 700 0.5 10 7.0 500
CLL4740A 10 25 7.0 700 0.25 10 7.6 454
CLL4741A 11 23 8.0 700 0.25 5.0 8.4 414
CLL4742A 12 21 9.0 700 0.25 5.0 9.1 380
CLL4743A 13 19 10 700 0.25 5.0 9.9 344
CLL4744A 15 17 14 700 0.25 5.0 11.4 304
CLL4745A 16 15.5 16 700 0.25 5.0 12.2 285
CLL4746A 18 14 20 750 0.25 5.0 13.7 250
CLL4747A 20 12.5 22 750 0.25 5.0 15.2 225
CLL4748A 22 11.5 23 750 0.25 5.0 16.7 205
CLL4749A 24 10.5 25 750 0.25 5.0 18.2 190
CLL4750A 27 9.5 35 750 0.25 5.0 20.6 170
CLL4751A 30 8.5 40 1000 0.25 5.0 22.8 150
MAXIMUM RATINGS: (TA=25 °C) SYMBOL UNITS
Power Dissipation PD 1.0 W
Operating and Storage Junction Temperature TJ, Tstg -65 to +200 °C
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)
MELF CASE
R4 (21-April 2010)
www.centralsemi.com
CLL4728A THRU CLL4764A
SURFACE MOUNT
SILICON ZENER DIODE
1 WATT, 3.3 THRU 100 VOLTS
TYPE ZENER
VOLTAGE
TEST
CURRENT MAXIMUM ZENER IMPEDANCE MAXIMUM REVERSE
CURRENT
MAXIMUM
CURRENT
VZ @ IZT IZT ZZT @ IZT ZZK @ IZK IR @ VRIZM
VmAΩ ΩmAμA VmA
CLL4752A 33 7.5 45 1000 0.25 5.0 25.1 135
CLL4753A 36 7.0 50 1000 0.25 5.0 27.4 125
CLL4754A 39 6.5 60 1000 0.25 5.0 29.7 115
CLL4755A 43 6.0 70 1500 0.25 5.0 32.7 110
CLL4756A 47 5.5 80 1500 0.25 5.0 35.8 95
CLL4757A 51 5.0 95 1500 0.25 5.0 38.8 90
CLL4758A 56 4.5 110 2000 0.25 5.0 42.6 80
CLL4759A 62 4.0 125 2000 0.25 5.0 47.1 70
CLL4760A 68 3.7 150 2000 0.25 5.0 51.7 65
CLL4761A 75 3.3 175 2000 0.25 5.0 56 60
CLL4762A 82 3.0 200 3000 0.25 5.0 62.2 55
CLL4763A 91 2.8 250 3000 0.25 5.0 69.2 50
CLL4764A 100 2.5 350 3000 0.25 5.0 76 45
ELECTRICAL CHARACTERISTICS - Continued: (TA=25 °C) VF=1.2MAX @ IF =200mA (for all types)
MELF CASE - MECHANICAL OUTLINE
MARKING: CATHODE BAND
www.centralsemi.com
R4 (21-April 2010)
For the latest version of Central Semiconductor’s LIMITATIONS AND DAMAGES DISCLAIMER,
which is part of Central’s Standard Terms and Conditions of sale, visit: www.centralsemi.com/terms
OUTSTANDING SUPPORT AND SUPERIOR SERVICES
PRODUCT SUPPORT
Central’s operations team provides the highest level of support to insure product is delivered on-time.
• Supply management (Customer portals) • Custom bar coding for shipments
• Inventory bonding • Custom product packing
• Consolidated shipping options
CONTACT US
Corporate Headquarters & Customer Support Team
Central Semiconductor Corp.
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Main Tel: (631) 435-1110
Main Fax: (631) 435-1824
Support Team Fax: (631) 435-3388
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Worldwide Distributors:
www.centralsemi.com/wwdistributors
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Central’s applications engineering team is ready to discuss your design challenges. Just ask.
• Free quick ship samples (2nd day air) • Special wafer diffusions
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• SPICE models • Package details
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• Customer specific screening • Custom product and package development
• Up-screening capabilities
(001)
REQUESTING PRODUCT PLATING
1. If requesting Tin/Lead plated devices, add the suffix “ TIN/LEAD” to the part number when
ordering (example: 2N2222A TIN/LEAD).
2. If requesting Lead (Pb) Free plated devices, add the suffix “ PBFREE” to the part number
when ordering (example: 2N2222A PBFREE).
www.centralsemi.com
PDN01083
5/31/18
11/30/18
http://www.centralsemi.com 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 Replacement
CLL4728A BK N/A
CLL4728A TR N/A
CLL4729A BK N/A
CLL4729A TR N/A
CLL4729C BK N/A
CLL4729C TR N/A
CLL4730A BK N/A
CLL4730A TR N/A
CLL4731A BK N/A
CLL4731A TR N/A
CLL4732A BK N/A
CLL4732A TR N/A
CLL4733A BK N/A
CLL4733A TR N/A
CLL4733D TR N/A
CLL4734A BK N/A
CLL4734A TR N/A
CLL4735A BK N/A
CLL4735A TR N/A
CLL4735D BK N/A
CLL4735D TR N/A
CLL4755A BK N/A
CLL4755A TR N/A
CLL4756A BK N/A
CLL4756A TR N/A
CLL4757A BK N/A
CLL4757A TR N/A
CLL4758A BK N/A
CLL4758A TR N/A
CLL4759A BK N/A
CLL4759A TR N/A
CLL4760A BK N/A
CLL4760A TR N/A
CLL4761A BK N/A
CLL4761A TR N/A
*** CONTINUED ***
PDN01083
5/31/18
11/30/18
http://www.centralsemi.com 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.
PDN01010
11/02/15
5/02/16
http://www.centralsemi.com 11/02/16
Summary:1 Watt, High Voltage (82V thru 100V), glass body Zener diodes manufactured in the DO-41 and MELF packages 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
various 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
Product Management Process. Any replacement product will be noted below. The effective date for placing the last purchase order will
be six(6) months from the date of this notice and twelve(12) months from the notice date for final shipments; this may be extended if
inventory is available.
Central Part Number _________________________Replacement _________________________
CLL4762A BK N/A
CLL4762A TR N/A
CLL4762C BK N/A
CLL4762C TR N/A
CLL4763A BK N/A
CLL4763A TR N/A
CLL4764 TR N/A
CLL4764A BK N/A
CLL4764A TR N/A
1N4762A BK N/A
1N4762A TR N/A
1N4763A BK N/A
1N4763A TR N/A
1N4764 BK N/A
1N4764 TR N/A
1N4764A BK N/A
1N4764A TR N/A
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.
