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