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Diodes Semiconductor Electronic Components Datasheet

1N4730A Datasheet

1.0W ZENER DIODE

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1N4730A pdf
PART OBSOLETE NO ALTERNATE
PART
1N4728A - 1N4761A
1.0W ZENER DIODE
Features
1.0 Watt Power Dissipation
3.3V - 75V Nominal Zener Voltage
Standard VZ Tolerance is 5%
Lead Free Finish, RoHS Compliant (Note 2)
Mechanical Data
Case: DO-41
Case Material: Glass. UL Flammability
Classification Rating 94V-0
Terminals: Finish Sn96.5Ag3.5. Solderable
per MIL-STD-202, Method 208
Polarity: Cathode Band
Marking: Type Number
Weight: 0.35 grams (approximate)
DO-41 Glass
Dim Min Max
A 26.0 
B  4.10
C  0.86
D  2.60
All Dimensions in mm
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic
Zener Current (see Table page 2)
Power Dissipation
Derate Above 50°C (Note 1)
Thermal Resistance - Junction to Ambient Air
Forward Voltage @ IF = 200 mA
Operating and Storage Temperature Range
Symbol
IZ
Pd
RJA
VF
Tj, TSTG
Value
Pd / VZ
1.0
6.67
175
1.2
-65 to + 175
Notes:
1. Valid provided that leads are kept at TL @ 50°C with lead length = 9.5mm (3/8”) from case.
2. EC Directive 2002/95/EC (RHS) revision 13.2.2003. Glass and high temperature solder exemptions applied where applicable,
see EU Directive Annex Notes 5 and 7.
Unit
mA
W
mW/°C
°C/W
V
°C
DS18007 Rev. 20 - 4
1 of 3
www.diodes.com
1N4728A - 1N4761A
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

1N4730A Datasheet

1.0W ZENER DIODE

No Preview Available !

1N4730A pdf
PART OBSOLETE NO ALTERNATE
PART
Electrical Characteristics @TA = 25°C unless otherwise specified
Type
Number
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
Nominal Zener
Voltage (Note 3)
VZ @ IZT
(V)
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
22
24
27
30
33
36
39
43
47
51
56
62
68
75
Test
Current
IZT
(mA)
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
17
15.5
14
12.5
11.5
10.5
9.5
8.5
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.7
3.3
Maximum Zener Impedance
(Note 4)
ZZT @ IZT
()
10
10
9.0
9.0
8.0
7.0
5.0
2.0
3.5
4.0
4.5
5.0
7.0
8.0
9.0
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
110
125
150
175
ZZK @ IZK
()
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
1000
1000
1000
1000
1500
1500
1500
2000
2000
2000
2000
IZK
(mA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
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
0.25
0.25
0.25
0.25
0.25
Maximum Reverse
Leakage Current
IR @ VR
(µA) (V)
100 1.0
100 1.0
50 1.0
10 1.0
10 1.0
10 1.0
10 2.0
10 3.0
10 4.0
10 5.0
10 6.0
10 7.0
10 7.6
5.0 8.4
5.0 9.1
5.0 9.9
5.0 11.4
5.0 12.2
5.0 13.7
5.0 15.2
5.0 16.7
5.0 18.2
5.0 20.6
5.0 22.8
5.0 25.1
5.0 27.4
5.0 29.7
5.0 32.7
5.0 35.8
5.0 38.8
5.0 42.6
5.0 47.1
5.0 51.7
5.0 56.0
Max Surge
Current
8.3ms
IZS
(mA)
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
304
285
250
225
205
190
170
150
135
125
115
110
95
90
80
70
65
60
Temperature
Coefficient
@ IZT
%/°C
-0.08 to -0.05
-0.08 to -0.05
-0.07 to -0.02
-0.07 to -0.01
-0.03 to +0.04
-0.01 to +0.04
0 to +0.045
+0.01 to +0.055
+0.015 to +0.06
+0.02 to +0.065
0.03 to 0.07
0.035 to 0.075
0.04 to 0.08
0.045 to 0.08
0.045 to 0.085
0.05 to 0.085
0.055 to 0.09
0.055 to 0.09
0.06 to 0.09
0.06 to 0.09
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
Notes:
3. Measured under thermal equilibrium and dc (IZT) test conditions.
4. 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 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 to
eliminate unstable units.
DS18007 Rev. 20 - 4
2 of 3
www.diodes.com
1N4728A - 1N4761A
© Diodes Incorporated


Part Number 1N4730A
Description 1.0W ZENER DIODE
Maker Diodes
Total Page 3 Pages
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