1N4728A

- 1N4758A

— Zener D

iodes

© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com1N4728A - 1N4758A Rev. H3 1

April 2009

1N4728A - 1N4758AZener Diodes

Absolute Maximum Ratings * Ta = 25°C unless otherwise noted

* These ratings are limiting values above which the serviceability of the diode may be impaired.

Electrical Characteristics Ta = 25°C unless otherwise noted

Symbol Parameter Value UnitsPD Power Dissipation

@ TL 50C, Lead Length = 3/8”1.0 W

Derate above 50C 6.67 mW/C

TJ, TSTG Operating and Storage Temperature Range -65 to +200 C

DeviceVZ (V) @ IZ (Note 1)

Test CurrentIZ (mA)

Max. Zener Impedance Leakage Current

Non-Repetitive Peak Reverse

Current IZSM (mA) (Note 2)

Min. Typ. Max. ZZ @ IZ ()

ZZK @IZK ()

IZK(mA)

IR (A)

VR(V)

1N4728A1N4729A1N4730A1N4731A1N4732A

3.1353.423.7054.0854.465

3.33.63.94.34.7

3.4653.784.0954.5154.935

7669645853

1010998

400400400400500

11111

100100501010

11111

1380126011901070970

1N4733A1N4734A1N4735A1N4736A1N4737A

4.8455.325.896.467.125

5.15.66.26.87.5

5.3555.886.517.147.875

4945413734

752

3.54

550600700700700

1111

0.5

1010101010

12345

890810730660605

1N4738A1N4739A1N4740A1N4741A1N4742A

7.798.6459.5

10.4511.4

8.29.1101112

8.619.55510.511.5512.6

3128252321

4.55789

700700700700700

0.50.50.250.250.25

10101055

67

7.68.49.1

550500454414380

DO-41 Glass caseCOLOR BAND DENOTES CATHODE

Tolerance = 5%

1N4728A

- 1N4758A

— Zener D

iodes

© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com1N4728A - 1N4758A Rev. H3 2

Notes:1. Zener Voltage (VZ)

The zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (TL) at 30C ± 1C and 3/8” lead length.2. 2 Square wave Reverse Surge at 8.3 msec soak time.

Top Mark Information

DeviceVZ (V) @ IZ (Note 1)

Test CurrentIZ (mA)

Max. Zener Impedance Leakage Current

Non-Repetitive Peak Reverse

Current IZSM (mA) (Note 2)

Min. Typ. Max. ZZ @ IZ ()

ZZK @IZK ()

IZK(mA)

IR (A)

VR(V)

1N4743A1N4744A1N4745A1N4746A1N4747A

12.3514.2515.217.119

1315161820

13.6515.7516.818.921

1917

15.514

12.5

1014162022

700700700750750

0.250.250.250.250.25

55555

9.911.412.213.715.2

344304285250225

1N4748A1N4749A1N4750A1N4751A1N4752A

20.922.825.6528.531.35

2224273033

23.125.228.3531.534.65

11.510.59.58.57.5

2325354045

750750750

10001000

0.250.250.250.250.25

55555

16.718.220.622.825.1

205190170150135

1N4753A1N4754A1N4755A1N4756A1N4757A

34.237.0540.8544.6548.45

3639434751

37.840.9545.1549.3553.55

76.56

5.55

5060708095

10001000150015001500

0.250.250.250.250.25

55555

27.429.732.735.838.8

1251151109590

1N4758A 53.2 56 58.8 4.5 110 2000 0.25 5 42.6 80

Device Line 1 Line 2 Line 3 Line 4 Line 51N4728A1N4729A1N4730A1N4731A1N4732A

LOGOLOGOLOGOLOGOLOGO

4747474747

2829303132

AAAAA

XYXYXYXYXY

1N4733A1N4734A1N4735A1N4736A1N4737A

LOGOLOGOLOGOLOGOLOGO

4747474747

3334353637

AAAAA

XYXYXYXYXY

1N4738A1N4739A1N4740A1N4741A1N4742A

LOGOLOGOLOGOLOGOLOGO

4747474747

3839404142

AAAAA

XYXYXYXYXY

1N4743A1N4744A1N4745A1N4746A1N4747A

LOGOLOGOLOGOLOGOLOGO

4747474747

4344454647

AAAAA

XYXYXYXYXY

1N4748A1N4749A1N4750A1N4751A1N4752A

LOGOLOGOLOGOLOGOLOGO

4747474747

4849505152

AAAAA

XYXYXYXYXY

1N4753A1N4754A1N4755A1N4756A1N4757A

LOGOLOGOLOGOLOGOLOGO

4747474747

5354555657

AAAAA

XYXYXYXYXY

1N4758A LOGO 47 58 A XY

1N4728A

- 1N4758A

— Zener D

iodes

© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com1N4728A - 1N4758A Rev. H3 3

Top Mark Information (Continued)

General Requirements: 1.0 Cathode Band

2.0 First Line: F - Fairchild Logo

3.0 Second Line: Device name - For 1Nxx series: 3rd to 4th characters of the device name.For BZxx series: 4th to 6th characters of the device name.

4.0 Third Line: Device name - For 1Nxx series: 5th to 6th characters of the device name.For BZXyy series: Voltage rating

5.0 Third Line: Device name - For 1Nxx series: 7th to 8th characters of the device name.(the 8th character is the large die identification)

For BZXyy series: Large Die Identification character

6.0 Fourth Line: Date Code - Two Digit - Six Weeks Date CodeWhere: X represents the last digit of the calendar yearY represents the Six weeks numeric code

7.0 Devices shall be marked as required in the device specification (PID or FSC Test Spec).

8.0 Maximum no. of marking lines: 5

9.0 Maximum no. of digits per line: 3

10.0 FSC logo must be 20 % taller than the alphanumeric marking and should occupy the 2 characters of the specified line.

11.0 Marking Font: Arial (Except FSC Logo)

12.0 First character of each marking line must be aligned vertically.

13.0 All device markings must be based on Fairchild device specification.

F47

36A

FXY

1st line: F - Fairchild Logo

2nd line: Device Name - 3rd to 4th characters of device name for 1Nxx seriesor 4th to 6th characters for BZXyy series

3rd line: Device Name - 5th to 6th characters of device name for 1Nxx seriesor Voltage rating for BZXyy series

4th line: Device Name - 7th to 8th characters of device name for 1Nxx seriesor Large Die identification only for BZXyy series

5th line: Date Code - Two Digit - Six Weeks Date Code