1SMA4728AG THRU 1SMA4777AG
Silicon Planar Zener Diodes
PINNING
PIN
FEATURES
• Total power dissipation: Max. 1 W.
• Wide zener reverse voltage range 3.3V to 330V.
• Small plastic package suitable for surface mounted design.
DESCRIPTION
1
Cathode
2
Anode
2
MECHANICAL DATA
• Case: SMA
• Terminals: Solderable per MIL-STD-750, Method 2026
• A pprox. Weight: 0.055g / 0.002oz
1
Simplified outline SMA and symbol
Absolute Maximum Ratings And Characteristics (Ta = 25 °C)
Symbol
Value
Unit
Power Dissipation at T c =75°C
PD
1
W
Forward Voltage at I F = 200 mA
VF
1.2
V
Junction Temperature Range
TJ
- 55 to + 150
°C
Storage Temperature Range
TS
- 55 to + 150
°C
Parameter
Fig.1 Maximum Continuous Power Derating
1.2
Power Dissipation ( W )
1.0
0.8
0.6
0.4
0.2
0.0
25
50
75
100
125
T c ,Case Temperature (°C)
REV.08
1 of 3
150
175
Characteristics at Ta = 25°C
Dynamic
Impedance
Zener Voltage Range (1)
Type
Marking
V ZT(at I ZT)
Reverse Current
I ZT
Z ZT(at I ZT)
IR
at V R
Admissible
Zener Current
Min(V)
Nom(V)
Max(V)
(mA)
Max (Ω)
Max(μA)
(V)
I ZM (mA)
1SMA4728AG
728A
3.10
3.3
3.50
75
10
100
1
285
1SMA4729AG
729A
3.40
3.6
3.80
69
10
100
1
263
1SMA4730AG
730A
3.70
3.9
4.10
64
9.0
50
1
243
1SMA4731AG
731A
4.06
4.3
4.56
58
9.0
25
1
219
4.7
4.93
53
8.0
10
1
203
1SMA4732AG
732A
4.50
1SMA4733AG
733A
4.84
5.1
5.36
49
7.0
10
1
186
1SMA4734AG
734A
5.32
5.6
5.92
45
5.0
10
2
170
1SMA4735 AG
735A
5.86
6.2
6.51
41
2.0
10
3
154
1SMA4736 AG
736A
6.46
6.8
7.18
37
3.5
10
4
140
1SMA4737 AG
737A
7.12
7.5
7.88
34
4.0
10
5
127
1SMA4738 AG
738A
7.79
8.2
8.67
31
4.5
10
6
116
1SMA4739 AG
739A
8.60
9.1
9.59
28
5.0
10
7
104
1SMA4740 AG
740A
9.50
10
10.5
25
7.0
10
7
95
1SMA4741 AG
741A
10.4
11
11.6
23
8.0
5
8
86
1SMA4742 AG
742A
11.4
12
12.6
21
9.0
5
9
79
1SMA4743 AG
743A
12.4
13
14.1
19
10
5
10
71
1SMA4744 AG
744A
13.8
15
15.8
17
14
5
11
63
1SMA4745 AG
745A
15.2
16
17.1
16
16
5
12
58
1SMA4746 AG
746A
16.8
18
19.2
14
20
5
13
52
1SMA4747 AG
747A
19.0
20
21.2
13
22
5
15
47
1SMA4748 AG
748A
20.8
22
23.3
12
23
5
17
43
1SMA4749 AG
749A
22.8
24
26.0
11
25
5
18
38
1SMA4750 AG
750A
25.3
27
28.9
9.5
35
5
21
35
1SMA4751 AG
751A
28.2
30
32.0
8.5
40
5
23
31
1SMA4752 AG
752A
31.3
33
34.9
7.5
45
5
25
28
1SMA4753 AG
753A
34.2
36
37.9
7.0
50
5
27
26
1SMA4754 AG
754A
37.2
39
41.5
6.5
60
5
30
24
1SMA4755 AG
755A
40.9
43
45.6
6.0
70
1
32
22
1SMA4756 AG
756A
44.9
47
49.8
5.5
80
1
35
20
1SMA4757 AG
757A
48.6
51
54.0
5.0
95
1
38
18
1SMA4758 AG
758A
53.6
56
58.8
4.5
110
1
42
17
1SMA4759 AG
759A
58.9
62
65.6
4.0
125
1
47
15
1SMA4760 AG
760A
64.6
68
71.7
3.7
150
1
52
14
1SMA4761 AG
761A
71.2
75
78.8
3.3
175
1
56
12
1SMA4762 AG
762A
77.9
82
87.0
3.0
200
1
62
11
1SMA4763 AG
763A
86.0
91
96.0
2.8
250
1
69
10
1SMA4764 AG
764A
95.0
100
105
2.5
350
1
76
9.5
1SMA4765 AG
765A
104
110
116
2.3
450
1
84
8.6
1SMA4766 AG
766A
114
120
127
2.0
550
1
91
7.8
1SMA4767 AG
767A
125
135
142
1.9
700
1
100
7.0
1SMA4768 AG
768A
140
150
157
1.7
900
1
110
6.3
1SMA4769 AG
769A
155
165
172
1.6
1100
1
120
5.8
1SMA4770 AG
770A
170
180
191
1.4
1200
1
135
5.2
1SMA4771 AG
771A
189
200
211
1.2
1400
1
150
4.7
1SMA4772 AG
772A
209
220
231
1.0
1600
1
165
4.3
1SMA4773 AG
773A
229
240
251
1.0
1800
1
180
3.9
1SMA4774 AG
774A
249
260
271
1.0
2000
1
190
3.7
1SMA4775 AG
775A
269
280
291
1.0
2100
1
205
3.4
1SMA4776 AG
776A
289
300
315
1.0
2300
1
230
3.1
777A
313
330
346
1.0
2500
1
250
2.8
1SMA4777 AG
(1) V ZT is tested with pulses (20 ms)
2 of 3
1SMA4728AG THRU 1SMA4777AG
PACKAGE OUTLINE
Plastic surface mounted package; 2 leads
A
A
SMA
c
a
VM
e
A
HE
g
e
E
A
D
E
HE
c
e
g
max
2.2
4.5
2.7
5.2
0.31
1.6
1.5
min
1.9
4.0
2.3
4.7
0.15
1.3
0.9
max
87
181
106
205
12
63
59
min
75
157
91
185
6
51
35
UNIT
mm
mil
g
e
A
D
The recommended mounting pad size
2.4
(94)
1.8
(71)
1.8
(71)
1.8
(71)
mm
Unit :
(mil)
REV.08
3 of 3
a
0.3
12
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