1SMA4749A [LGE]
Surface Mount Zener Diodes; 表面贴装齐纳二极管
| 型号： | 1SMA4749A |
| 厂家： | 
LGE |
| 描述： | Surface Mount Zener Diodes |
| 文件： | 总2页 (文件大小：122K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
1SMA4728A-1SMA4764A
Surface Mount Zener Diodes
V
P
Z
: 3.3 - 100Volts
: 1 Watt
D
SMA
Features
Complete voltage range 3.3 to 100 volts
High peak reverse power dissipation
High reliability
Low leakage current
Standard zener voltage tolerance is ± 5%.
Pb / RoHS Free
1.3 ± 0.2
1.6 ± 0.25
2.6 ± 0.15
Mechanical Data
2.3 ± 0.2
Case : SMA Molded plastic
Epoxy : UL94V-O rate flame retardant
Polarity : Color band denotes cathode end
Mounting position : Any
1.6 ± 0.25
Weight : 0.060 gram (Approximately)
Dimensions in millimeters
MAXIMUM RATINGS
Rating at 25 °C ambient temperature unless otherwise specified
Rating
DC Power Dissipation at TL = 75 °C (Note1)
Maximum Forward Voltage at IF = 200 mA
Junction Temperature Range
Symbol
Value
Unit
PD
VF
TJ
1.0
W
V
1.2
- 55 to + 150
- 55 to + 150
°C
°C
TS
Storage Temperature Range
Note :
(1) P.C.B. Mounted on 0.31x0.31x0.08" (8x8x2mm) copper areas pads.
Fig. 1 MAXIMUM CONTINUOUS POWER DERATING
1.25
1.00
0.75
0.50
0.25
0
P.C.B. Mounted on
0.31x0.31x0.08" (8x8x2mm)
copper areas pads
0
25
50
75
100
125
150
175
TL, LEAD TEMPERATURE (°C)
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mail:lge@luguang.cn
1SMA4728A-1SMA4764A
Surface Mount Zener Diodes
ELECTRICAL CHARACTERISTICS
Rating at 25 °C ambient temperature unless otherwise specified
Nominal Zener
Maximum Zener
Maximum Reverse Maximum DC
Maximum
Voltage
VZ @ IZT
Impedance
Leakage Current Zener Current Surge Current
Device
Type
(2)
IZT
ZZT @ IZT ZZK @ IZK
IZK
IR
@
VR
(V)
IZM
Marking
IRM
(V)
(mA)
(mA)
(mA)
(mApk)
(Ω)
(Ω)
(μA)
1SMA4728A
1SMA4729A
1SMA4730A
1SMA4731A
1SMA4732A
1SMA4733A
728A
729A
730A
731A
732A
733A
3.3
3.6
3.9
4.3
4.7
5.1
76.0
69.0
64.0
58.0
53.0
49.0
10
10
400
400
400
400
500
550
1.0
1.0
1.0
1.0
1.0
1.0
100
100
50
1.0
1.0
1.0
1.0
1.0
1.0
276
252
234
217
193
178
1380
1260
1190
1070
970
9.0
9.0
8.0
7.0
10
10
10
890
1SMA4734A
734A
5.6
45.0
5.0
600
1.0
10
2.0
162
810
1SMA4735A
1SMA4736A
1SMA4737A
1SMA4738A
1SMA4739A
1SMA4740A
1SMA4741A
1SMA4742A
1SMA4743A
1SMA4744A
1SMA4745A
1SMA4746A
1SMA4747A
1SMA4748A
1SMA4749A
1SMA4750A
1SMA4751A
1SMA4752A
1SMA4753A
1SMA4754A
1SMA4755A
1SMA4756A
1SMA4757A
1SMA4758A
1SMA4759A
1SMA4760A
1SMA4761A
1SMA4762A
1SMA4763A
1SMA4764A
735A
736A
737A
738A
739A
740A
741A
742A
743A
744A
745A
746A
747A
748A
749A
750A
751A
752A
753A
754A
755A
756A
757A
758A
759A
760A
761A
762A
763A
764A
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
41.0
37.0
34.0
31.0
28.0
25.0
23.0
21.0
19.0
17.0
15.5
14.0
12.5
11.5
10.5
9.5
2.0
3.5
4.0
4.5
5.0
7.0
8.0
9.0
10
700
700
1.0
10
10
3.0
4.0
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
9.0
730
660
605
550
500
454
414
380
344
305
285
250
225
205
190
170
150
135
125
115
110
95
1.0
700
0.5
10
5.0
700
0.5
10
6.0
700
0.5
10
7.0
700
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
10
7.6
700
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
8.4
700
9.1
700
9.9
14
700
11.4
12.2
13.7
15.2
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
56.0
62.2
69.2
76.0
16
700
20
750
22
750
23
750
25
750
35
750
8.5
40
1000
1000
1000
1000
1500
1500
1500
2000
2000
2000
2000
3000
3000
3000
7.5
45
7.0
50
6.5
60
6.0
70
5.5
80
5.0
95
90
4.5
110
125
150
175
200
250
350
80
4.0
70
3.7
65
3.3
60
3.0
55
2.8
50
2.5
45
Notes :
(1) The type number listed have a standard tolerance on the nominal zener voltage of ± 5%.
(2) The revese surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent sine-wave superimposed
on IZT per JEDEC Method
http://www.luguang.cn
mail:lge@luguang.cn
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