1N4733A-AP - Micro Commercial Components Corp.

Features

 Hermetic Glass Package

 Silicon Planar Zener Diodes



Mechanical Data

 Case: DO-41 Glass Package



 Weight: 0.309 grams (Approx.)

Maximum Ratings

 Operating Temperature: -65oC to +200oC

 Storage Temperature: -65oC to +200oC

 For capacitive load, derate current by 20%

Electrical Characteristics @ 25oC Unless Otherwise Specified

Note: (1) Valid provided that electrodes at a distance

of 10mm from case are kept at ambient

temperature.

1N4728

THRU

1N476

1.0 Watt

Zener Diode

3.3 to 75 Volts

Cathode

Mark

DO-41G

omponents

20736 Marilla Street Chatsworth



 !"#

$%    !"#

MCC

DC Power

Dissipation Pd 1.0W TA50OC

Forward

Thermal

Resistance RthJA 100K/W Note 1

Power Derating

from 100oCPtot 10mW/oC

Micro Commercial Components

Marking : Cathode band and type number

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1 of 4

1N4728

THRU

1N4761

Voltage VF1.2V

Drop

≤

Revision: A 2011/01/01

Lead Free Finish/Rohs Compliant (Note2) ("P"Suffix designates

Compliant. See ordering information)

(2).Lead in Glass Exemption Applied, see EU Directive Annex 5.

----- ----- 4.50

0.177

MIN MAX MIN M A X

DIMENSIONS

DIM

INCHES MM

NOTE

----- -----

C 0.02 6 0.03 4 0.70 0.90 Di ameter

D 1.00 0 ----- 25.40 -----

B2.80

0.110 Diameter



Moisture Sensitivity: Level 1

Note 1: The JEDEC type number shown with an A suffix have a 5% tolerance on nominal zener voltage. No

suffix signifies a 10% tolerance, C signifies 2%.

2: The Zener impedance is derived from the 60 Hz ac voltage, which results when an ac current having an

rms value equal to 10% of the DC Zener current(IZT or IZK) is superimposed on IZT or IZK. Zener

impedance is measured at two points to insure a sharp knee on the breakdown curve and eliminate

unstable units.

3: The reverse surge current is measured at 25oC ambient using a 1/2 square wave or equivalent sine

wave pulse 1/120 second duration superimposed on I ZT.

4: Voltage measurements tobe performed 90 seconds after application of DC current.

MCC

5: RoHs Compliant already and Pb-free sticker on reel , box & carton indicated RoHs compliant .

MCC Zener Test Surge Maximum

Part Number Voltage Current Current Regulator

Current

VZ @IZT IZT ZZT @IZT ZZK @IZK IZK IR @VRVRIRIZM

Volts mA OHMS OHMS mA uA Volts mA mA

1N4728 3.3 76 10 400 1 100 1 1380 276

1N4729 3.6 69 10 400 1 100 1 1260 252

1N4730 3.9 64 9 400 1 50 1 1190 234

1N4731 4.3 58 9 400 1 10 1 1070 217

1N4732 4.7 53 8 500 1 10 1 970 193

1N4733 5.1 49 7 550 1 10 1 890 178

1N4734 5.6 45 5 600 1 10 2 810 162

1N4735 6.2 41 2 700 1 10 3 730 146

1N4736 6.8 37 3.5 700 1 10 4 660 133

1N4737 7.5 34 4 700 0.5 10 5 605 121

1N4738 8.2 31 4.5 700 0.5 10 6 550 110

1N4739 9.1 28 5 700 0.5 10 7 500 100

1N4740 10 25 7 700 0.25 10 7.6 454 91

1N4741 11 23 8 700 0.25 5 8.4 414 83

1N4742 12 21 9 700 0.25 5 9.1 380 76

1N4743 13 19 10 700 0.25 5 9.9 344 69

1N4744 15 17 14 700 0.25 5 11.4 304 61

1N4745 16 15.5 16 700 0.25 5 12.2 285 57

1N4746 18 14 20 750 0.25 5 13.7 250 50

1N4747 20 12.5 22 750 0.25 5 15.2 225 45

1N4748 22 11.5 23 750 0.25 5 16.7 205 41

1N4749 24 10.5 25 750 0.25 5 18.2 190 38

1N4750 27 9.5 35 750 0.25 5 20.6 170 34

1N4751 30 8.5 40 1000 0.25 5 22.8 150 30

1N4752 33 7.5 45 1000 0.25 5 25.1 135 27

1N4753 36 7 50 1000 0.25 5 27.4 125 25

1N4754 39 6.5 60 1000 0.25 5 29.7 115 23

1N4755 43 6 70 1500 0.25 5 32.7 110 22

1N4756 47 5.5 80 1500 0.25 5 35.8 95 19

1N4757 51 5 95 1500 0.25 5 38.8 90 18

1N4758 56 4.5 110 2000 0.25 5 42.6 80 16

1N4759 62 4 125 2000 0.25 5 47.1 70 14

1N4760 68 3.7 150 2000 0.25 5 51.7 65 13

1N4761 75 3.3 175 2000 0.25 5 56 60 12

Leakage Current

Maximum ReverseMaximum Dynamic Impedance

Electrical Characteristics(TA= 25°C unless otherwise noted). Maximum VF= 1.2V at IF= 200mA

1N4728 thru 1N4761

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Micro Commercial Components

MCC

Revision: A 2011/01/01

1N4728 thru 1N4761

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MCC

Micro Commercial Components

Figure 3. Effect of Zener Current

on Zener Impedance Figure 4. Effect of Zener Voltage

on Zener Impedance

1000

500

200

100

10.1 0.2 0.5 1 2 5 10 20 50 100

IZ, ZENER CURRENT (mA)

ZZ, DYNAMIC IMPEDANCE (OHMS)

1000

700

500

200

100

11 2 100

VZ, ZENER CURRENT (mA)

3 5 7 10 20 30 50 70

ZZ, DYNAMIC IMPEDANCE (OHMS)

TJ = 25

iZ(rms) = 0.1 IZ(dc)

f = 60 Hz

6.2 V

27 V

VZ = 2.7 V

47 V

TJ = 25

iZ(rms) = 0.1 IZ(dc)

f = 60 Hz

20 mA

5 mA

IZ = 1 mA

Figure 1. Typical Thermal Resistance

versus Lead Length Figure 2. Effect of Zener Current

175

150

125

100

00 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

L, LEAD LENGTH TO HEAT SINK (INCHES)

JL , JUNCTION-TO-LEAD THERMAL RESISTANCE (mV/

C/W)

VZ, TEMPERATURE COEFFICIENT (mV/

–2

–4 3 4 5 6 7 8

VZ, ZENER VOLTAGE (VOLTS)

VZ@ IZ

TA= 25

20 mA

0.01 mA

1 mA

NOTE: BELOW 3 VOLTS AND ABOVE 8 VOLTS

NOTE: CHANGES IN ZENER CURRENT DO NOT

NOTE: EFFECT TEMPERATURE COEFFICIENTS

Figure 5. Maximum Surge Power

100

10.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 20 50 100 200 500 1000

PW, PULSE WIDTH (ms)

This graph represents 90 percentile data points.

For worst case design characteristics, multiply surge power by 2/3.

Ppk, PEAK SURGE POWER (WATTS)

11 V–100 V NONREPETITIVE

3.3 V–10 V NONREPETITIVE

5% DUTY CYCLE

10% DUTY CYCLE

20% DUTY CYCLE

RECTANGULAR

WAVEFORM

TJ= 25

C PRIOR TO

INITIAL PULSE

Revision: A 2011/01/01

MCC

Micro Commercial Components

www.mccsemi.com

4 of 4

Revision: A 2011/01/01

Device Packing

Part Number-TP Tape&Reel: 5Kpcs/Reel

Part Number-AP Ammo Packing: 2.5Kpcs/Ammo Box

Part Number-BP Bulk: 50Kpcs/Carton

Ordering Information :

***IMPORTANT NOTICE***

Micro Commercial Components Corp. reserves the right to make changes without further notice to any product herein to

make corrections, modifications , enhancements , improvements , or other changes . Micro Commercial Components

Corp . does not assume any liability arising out of the application or use of any product described herein; neither does it

convey any license under its patent rights ,nor the rights of others . The user of products in such applications shall assume all

risks of such use and will agree to hold Micro Commercial Components Corp . and all the companies whose products are

represented on our website, harmless against all damages.

***LIFE SUPPORT***

MCC's products are not authorized for use as critical components in life support devices or systems without the express written

approval of Micro Commercial Components Corporation.

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