1SMA4749A [TAYCHIPST]
ZENER DIODES; 齐纳二极管
| 型号： | 1SMA4749A |
| 厂家： | 
SHENZHEN TAYCHIPST ELECTRONIC CO., LTD |
| 描述： | ZENER DIODES |
| 文件： | 总2页 (文件大小：1488K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
1SMA4728A-1SMA4764A
1000mW
ZENER DIODES
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%.
MECHANICAL DATA
* Case : SMA (DO-214AC) Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Lead formed for Surface mount
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.064 gram
MAXIMUM RATINGS
Rating at 25°C ambient temperature unless otherwise specified
Rating
Symbol
Value
1.0
Unit
W
DC Power Dissipation at TL = 75 °C (Note1)
Maximum Forward Voltage at IF = 200 mA
Junction Temperature Range
PD
VF
TJ
1.2
V
- 55 to + 150
- 55 to + 150
°C
TS
Storage Temperature Range
°C
Note :
(1) P.C.B. Mounted on 0.31x0.31x0.08" (8x8x2mm) copper areas pad
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)
E-mail: sales@taychipst.com
Web Site: www.taychipst.com
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1SMA4728A-1SMA4764A
1000mW
ZENER DIODES
Zener voltage
齐纳电压
Dynamic resistance
Maximum reverse current
最大反向电流
Maximum
regulator current
最大稳压电流
Power
dissipation
耗散功率
动态阻抗
TA=25℃
TYPE
Package
型号
封装形式
VZ@IZT
IZT
mA
IZK
mA
IR@VR
IZM
mA
Pd
mW
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
ZZT@IZT ZZK@IZK
A
100
V
1SMA4728A
1SMA4729A
1SMA4730A
1SMA4731A
1SMA4732A
1SMA4733A
1SMA4734A
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
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
10
10
9
400
1.0
1.0
1.0
276
252
234
217
193
178
162
146
133
121
110
100
91
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
400
100
50
10
10
10
10
10
10
10
10
10
10
5
1.0
400
1.0
1.0
9
400
1.0
1.0
8
500
1.0
1.0
7
550
1.0
1.0
5
600
1.0
2.0
2
700
1.0
3.0
3.5
4
700
1.0
4.0
700
0.5
5.0
4.5
5
700
0.5
6.0
700
0.5
7.0
7
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
7.6
8
700
8.4
83
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
9
700
5
9.1
76
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
110
125
150
175
200
250
350
700
5
9.9
69
700
5
11.4
12.4
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
61
700
5
57
750
5
50
750
5
45
750
5
41
750
5
38
750
5
34
1000
1000
1000
1000
1500
1500
1500
2000
2000
2000
2000
3000
3000
3000
5
30
5
27
5
25
6.5
6
5
23
5
22
5.5
5
5
19
5
18
4.5
4
5
16
5
14
3.7
3.3
3
5
13
5
12
5
62.2
69.2
76
11
2.8
2.5
5
10
5
9
E-mail: sales@taychipst.com
Web Site: www.taychipst.com
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