Datasheet 1N4728A, 1N4758A Datasheet (Fairchild)

1N4728A - 1N4758A

Zener Diodes

Tolerance = 5%

DO-41 Glass case

COLOR BAND DENOTE S CATHODE

1N4728A - 1N4758A — Zener Diodes

April 2009

Absolute Maximum Ratings * T

= 25°C unless otherwise noted

a

Symbol Parameter Value Units

P

TJ, T

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

Electrical Characteristics T

Device

1N4728A 1N4729A 1N4730A 1N4731A 1N4732A

1N4733A 1N4734A 1N4735A 1N4736A 1N4737A

1N4738A 1N4739A 1N4740A 1N4741A 1N4742A

Power Dissipation

D

@ TL  50C, Lead Length = 3/8”

Derate above 50C 6.67 mW/C

Operating and Storage Temperature Range -65 to +200 C

STG

= 25°C unless otherwise noted

a

VZ (V) @ IZ (Note 1)

Min. Typ. Max.

3.135

3.42

3.705

4.085

4.465

4.845

5.32

5.89

6.46

7.125

7.79

8.645

9.5

10.45

11.4

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

3.465

3.78

4.095

4.515

4.935

5.355

5.88

6.51

7.14

7.875

8.61

9.555

10.5

11.55

12.6

Test Current

IZ (mA)

76 69 64 58 53

49 45 41 37 34

31 28 25 23 21

Max. Zener Impedance

ZZ @ IZ

()

3.5

4.5

10 10

ZZK @ I

()

ZK

400

400 9 9 8

7 5 2

4

5 7 8 9

400

500

550

600

700

1.0 W

Leakage

Current

I

ZK

(mA)

1 1 1 1 1

1 1 1 1

0.5

0.25

IR

(A)

100 100

50 10 10

10 10 10 10 10

10 10 10

5 5

Non-Repetitive

V

R

(V)

I

1 1 1 1 1

1 2 3 4 5

6 7

7.6

8.4

9.1

Peak Reverse

ZSM

Current

(mA)

(Note 2)

1380 1260 1190 1070

970

890 810 730 660 605

550 500 454 414 380

1N4728A - 1N4758A Rev. H3 1

1N4728A - 1N4758A — Zener Diodes

VZ (V) @ IZ (Note 1)

13.65

15.75

16.8

18.9 21

23.1

25.2

28.35

31.5

34.65

37.8

40.95

45.15

49.35

53.55

Test Current

IZ (mA)

19 17

15.5 14

12.5

11.5

10.5

9.5

8.5

7.5

7

6.5 6

5.5 5

Device

Min. Typ. Max.

1N4743A 1N4744A 1N4745A 1N4746A 1N4747A

1N4748A 1N4749A 1N4750A 1N4751A 1N4752A

1N4753A 1N4754A 1N4755A 1N4756A 1N4757A

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

Notes:

1. Zener Voltage (VZ) The zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (TL) at 30C ± 1C and 3/8” lead length.

2. 2 Square wave Reverse Surge at 8.3 msec soak time.

12.35

14.25

15.2

17.1 19

20.9

22.8

25.65

28.5

31.35

34.2

37.05

40.85

44.65

48.45

13 15 16 18 20

22 24 27 30 33

36 39 43 47 51

Max. Zener Impedance

ZZ @ IZ

()

10 14 16 20 22

23 25 35 40 45

50 60 70 80 95

ZZK @ IZK ()

700 700 700 750 750

750 750

750 1000 1000

1000 1000 1500 1500 1500

I

ZK

(mA)

0.25

Leakage

Current

IR

(A)

5 5 5 5 5

V (V)

9.9

11.4

12.2

13.7

15.2

16.7

18.2

20.6

22.8

25.1

27.4

29.7

32.7

35.8

38.8

R

Non-Repetitive

Peak Reverse

Current

I

(mA)

ZSM

Top Mark Information

344 304 285 250 225

205 190 170 150 135

125 115 110

95 90

(Note 2)

Device Line 1 Line 2 Line 3 Line 4 Line 5

1N4728A 1N4729A 1N4730A 1N4731A 1N4732A

1N4733A 1N4734A 1N4735A 1N4736A 1N4737A

1N4738A 1N4739A 1N4740A 1N4741A 1N4742A

1N4743A 1N4744A 1N4745A 1N4746A 1N4747A

1N4748A 1N4749A 1N4750A 1N4751A 1N4752A

1N4753A 1N4754A 1N4755A 1N4756A 1N4757A

1N4758A LOGO 47 58 A XY

LOGO LOGO LOGO LOGO LOGO

47 47 47 47 47

28 29 30 31 32

33 34 35 36 37

38 39 40 41 42

43 44 45 46 47

48 49 50 51 52

53 54 55 56 57

A A A A A

XY XY XY XY XY

1N4728A - 1N4758A Rev. H3 2

Top Mark Information (Continued)

1N4728A - 1N4758A — Zener Diodes

F

47

36 A

XY

F

1st line: F - Fairchild Logo

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

or 4th to 6th characters for BZXyy series

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

or Voltage rating for BZXyy series

4th line: Device Name - 7th to 8th characters of device name for 1Nxx series

or Large Die identification only for BZXyy series

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

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.

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

5.0 Third Line: Device name - For 1Nxx series: 7th to 8th characters of the device name.

6.0 Fourth Line: Date Code - Two Digit - Six Weeks Date 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.

For BZxx series: 4th to 6th characters of the device name.

For BZXyy series: Voltage rating

(the 8th character is the large die identification)

For BZXyy series: Large Die Identification character

Where: X represents the last digit of the calendar year Y represents the Six weeks numeric code

1N4728A - 1N4758A Rev. H3 3