Document
1N4728A - 1N4764A Zeners
January 2005
1N4728A - 1N4764A
Zeners
DO-41 Glass case
COLOR BAND DENOTES CATHODE
Absolute Maximum Ratings *
Symbol
PD
Ta = 25°C unless otherwise noted
Parameter
Power Dissipation @ TL ≤ 50°C, Lead Length = 3/8” Derate above 50°C
Value
1.0 6.67 -65 to +200
Units
W mW/°C °C
TJ, TSTG
Operating and Storage Temperature Range
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Electrical Characteristics
Device
1N4728A 1N4729A 1N4730A 1N4731A 1N4732A 1N4733A 1N4734A 1N4735A 1N4736A 1N4737A 1N4738A 1N4739A 1N4740A 1N4741A 1N4742A 1N4743A 1N4744A 1N4745A 1N4746A 1N4747A
Ta = 25°C unless otherwise noted
VZ (V) @ IZ (Note 1) Min.
3.315 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 12.35 14.25 15.2 17.1 19
Typ.
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 13 15 16 18 20
Max.
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 13.65 15.75 16.8 18.9 21
Test Current IZ (mA)
76 69 64 58 53 49 45 41 37 34 31 28 25 23 21 19 17 15.5 14 12.5
Max. Zener Impedance ZZ @ I Z (Ω)
10 10 9 9 8 7 5 2 3.5 4 4.5 5 7 8 9 10 14 16 20 22
Leakage Current IR (µA)
100 100 50 10 10 10 10 10 10 10 10 10 10 5 5 5 5 5 5 5
ZZK @ IZK (Ω)
400 400 400 400 500 550 600 700 700 700 700 700 700 700 700 700 700 700 750 750
IZK (mA)
1 1 1 1 1 1 1 1 1 0.5 0.5 0.5 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
VR (V)
1 1 1 1 1 1 2 3 4 5 6 7 7.6 8.4 9.1 9.9 11.4 12.2 13.7 15.2
©2005 Fairchild Semiconductor Corporation
1
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1N4728A - 1N4764A Rev. G2
1N4728A - 1N4764A Zeners
Electrical Characteristics
VZ (V) @ IZ (Note 1) Device
1N4748A 1N4749A 1N4750A 1N4751A 1N4752A 1N4753A 1N4754A 1N4755A 1N4756A 1N4757A 1N4758A 1N4759A 1N4760A 1N4761A 1N4762A 1N4763A 1N4764A
Notes:
TC = 25°C unless otherwise noted
Min.
20.9 22.8 25.65 28.5 31.35 34.2 37.05 40.85 44.65 48.45 53.2 58.9 64.6 71.25 77.9 86.45 95
Typ.
22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 100
Max.
23.1 25.2 28.35 31.5 34.65 37.8 40.95 45.15 49.35 53.55 58.8 65.1 71.4 78.75 86.1 95.55 105
Test Current IZ (mA)
11.5 10.5 9.5 8.5 7.5 7 6.5 6 5.5 5 4.5 4 3.7 3.3 3 2.8 2.5
Max. Zener Impedance ZZ @ IZ (Ω)
23 25 35 40 45 50 60 70 80 95 110 125 150 175 200 250 350
Leakage Current IR (µA)
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
ZZK @ IZK (Ω)
750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000
IZK (mA)
0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
VR (V)
16.7 18.2 20.6 22.8 25.1 27.4 29.7 32.7 35.8 38.8 42.6 47.1 51.7 56 62.2 69.2 76
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 1N4728A - 1N4764A Rev. G2
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1N4728A - 1N4764A Zeners
Top Mark Information
Device
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 1N4759A 1N4760A 1N4761A 1N4762A 1N4763A 1N4764A
Line 1
LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO
Line 2
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Line 3
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 58 59 60 61 62 63 64
Line 4
A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A
Line 5
XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY
3 1N4728A - 1N4764A Rev. G2
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1N4728A - 1N4764A Zeners
Top Mark Information (Continued)
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
F
General Requirements:
1.0 Cathod 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 .