Fairchild Semiconductor 1N4752A, 1N4751A, 1N4750A, 1N4749A, 1N4748A Datasheet
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1N4728A - 1N4752A Series One Watt Zeners
1N4728A - 1N4752A Series
Absolute Maximum Ratings* TA = 25°C unless otherwise noted
Parameter Value Units
Storage Temperature Range -65 to +200
Maximum Junction Operating Temperature + 200
Lead Tem perature (1/16” from case for 10 seconds) + 230
Total Device Dissipation
Derate above 50°C
Thermal resistance Junction to Lead 53.5
Thermal resistance Junction to Am bient 100
Surge Power** 10 W
1.0
6.67
*These ratings are limiting values above which the serviceability of the diode may be impaired.
**Non-recurrent square wave PW= 8.3 ms, TA= 55 degrees C.
NOTES:
1) These ratings are based on a maximum junction temperature of 200 degrees C.
2) These are steady state limits. The factory should be consulted on applications involving pulsed
or low duty cycle operations.
Electrical Characteristics TA = 25°C unless otherwise noted
V
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
Foward Voltage = 1.2 V M aximum @ I
V
F
Z
(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
Z
(Ω)
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
Z
I
ZT
@
(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
F
Z
ZK
(Ω)
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
I
ZK
@
(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
= 200 mA for all 1N4700 series
C
°
°C
°C
W
mW/°C
C/W
°
°C/W
V
R
(V)
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
7.6
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
Tolerance: A = 5%
DO-41
I
@
(µA)
100
100
50
10
10
10
10
10
10
10
10
10
10
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
I
R
SURGE
(mA)
1,380
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
I
ZM
(mA)
276
252
234
217
193
178
162
146
133
121
110
100
91
83
76
69
61
57
50
45
41
38
34
30
27
1997 Fairchild Semiconductor Corporation
1N4700A Rev. B
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®
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Formative or
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changes at any time without notice in order to improve
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