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JINGHENG ELECTRONICS
JINGHENG ELECTRONICS

1N4728 Datasheet Preview

1N4728 Datasheet

1W SILICON PLANAR ZENER DIODES

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1N4728 pdf
R
SEMICONDUCTOR
1N4727 THRU 1N4764
1W SILICON PLANAR ZENER DIODES
FEATURES
DO-41(GLASS)
Silicon planar power zener diode
For use in stabilizing and clipping circuits with high power rating.
Standard Zener voltage tolerance is 10%.
Add suffix "A" for 5% tolerance and suffix"B"for 2%tolerance.
Other tolerance is available upon request.
High temperature soldering guaranteed:260℃/10 seconds at terminals
Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC
JF
0.107(2.7)
0.080(2.0)
DIA.
1.00(25.4)
MIN.
0.205(5.20)
0.161(4.10)
MECHANICAL DATA
Case: DO-41 glass case
Weight: Approx. 0.35 gram
0.034(0.86)
MAX
DIA.
1.00(25.4)
MIN.
Dimensions in inches and (millimeters)
ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES) (TA=25 C)
Symbols
Zener current see table "Characteristics"
Power dissipation at TA=25 C
Ptot
Junction temperature
TJ
Storage temperature range
TSTG
1) Valid provided that a distance of 8mm from case is kept at ambient temperature
Value
11)
200
-65 to+200
Units
W
C
C
ELECTRICAL CHARACTERISTICS (TA=25 C)
Symbols
Min
Thermal resistance junction to ambient
R JA
Forward voltage at IF=200mA
VF
1) Valid provided that a distance of 8mm from case is kept at ambient temperature.
Typ Max Units
1701)
1.2
K /W
V
JINAN JINGHENG ELECTRONICS CO., LTD.
10-12
HTTP://WWW.JINGHENGGROUP.COM



JINGHENG ELECTRONICS
JINGHENG ELECTRONICS

1N4728 Datasheet Preview

1N4728 Datasheet

1W SILICON PLANAR ZENER DIODES

No Preview Available !

1N4728 pdf
1N4727 ...1N4764 SILICON PLANAR ZENER DIODES
Type
1N4727
1N4728
1N4729
1N4730
1N4731
1N4732
1N4733
1N4734
1N4735
1N4736
1N4737
1N4738
1N4739
1N4740
1N4741
1N4742
1N4743
1N4744
1N4745
1N4746
1N4747
1N4748
1N4749
1N4750
1N4751
1N4752
1N4753
1N4754
1N4755
1N4756
1N4757
1N4758
1N4759
1N4760
1N4761
1N4762
1N4763
1N4764
Nominal
Zener
Voltage 1)
at
IZT
VZ V
3
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
82
91
100
Test
Current
IZT mA
83
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
6.5
6
5.5
5
4.5
4
3.7
3.3
3
2.8
2.5
Maximum Zener Impedance 2)
at
IZT
ZZT
10
10
10
9
9
8
7
5
2
3.5
4
4.5
5
7
8
9
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
110
125
150
175
200
250
350
ZZK
400
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
1,000
1,000
1,000
1,000
1,500
1,500
1,500
2,000
2,000
2,000
2,000
3,000
3,000
3,000
at
IZK
mA
1
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
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 at VR
AV
150 1
150 1
100 1
100 1
50 1
10 1
10 1
10 2
10 3
10 4
10 5
10 6
10 7
10 7.6
5 8.4
5 9.1
5 9.9
5 11.4
5 12.2
5 13.7
5 15.2
5 16.7
5 18.2
5 20.6
5 22.8
5 25.1
5 27.4
5 29.7
5 32.7
5 35.8
5 38.8
5 42.6
5 47.1
5 51.7
5 56
5 62.2
5 69.2
5 76
Surge
current 3)
at TA=25
IR
mA
1,375
1,375
1,260
1,190
1,070
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
55
50
45
Maximum
regulator
Current 4)
IZM
mA
275
275
252
234
217
193
178
162
146
133
121
110
100
91
83
76
69
61
57
50
45
41
38
34
30
27
25
23
22
19
18
16
14
13
12
11
10
9
Notes: 1) The Zener impedance is derived from the 1KHz 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.
2) Valid provided that electrodes at a distance of 10mm from case are kept at ambient temperature.
3) Measured under thermal equilibrium and DC test conditions.
4)The rating listed in the electrical characteristics table is maximum peak,non-repetitive,reverse surge current of ½ square wave or equivalent sine wave pulse
of 1/120 second duration superimposed on the test current Izt.
5)Tested with pulses tp=20ms.
JINAN JINGHENG ELECTRONICS CO., LTD.
10-13
HTTP://WWW.JINGHENGGROUP.COM


Part Number 1N4728
Description 1W SILICON PLANAR ZENER DIODES
Maker JINGHENG ELECTRONICS
Total Page 4 Pages
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