1SMA4749A [SYNSEMI]
SURFACE MOUNT ZENER DIODES; 表面贴装齐纳二极管
| 型号： | 1SMA4749A |
| 厂家： | 
SYNSEMI, INC. |
| 描述： | SURFACE MOUNT ZENER DIODES |
| 文件： | 总2页 (文件大小：33K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SURFACE MOUNT
ZENER DIODES
1SMA4728A-1SMA4764A
VZ : 3.3 - 100Volts
PD : 1 Watt
SMA-L
1.3 ± 0.2
FEATURES :
* Complete voltage range 3.3 to 100 volts
* High peak reverse power dissipation
* High reliability
1.8 ± 0.2
* Low leakage current
2.3 ± 0.2
2.7 ± 0.2
* Standard zener voltage tolerance is ± 5%.
* Pb / RoHS Free
1.8 ± 0.2
MECHANICAL DATA :
* Case : SMA-L Molded plastic
Dimensions in millimeter
* Epoxy : UL94V-O rate flame retardant
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.060 gram (Approximately)
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)
Page 1 of 2
Rev. 03: January 14, 2006
ELECTRICAL CHARACTERISTICS
Rating at25 °C ambient temperature unless otherwise specifie
Nominal Zener
Maximum Zener
Impedance
Maximum Reverse Maximum DC
Maximum
Voltage
VZ @ IZT
Leakage Current Zener Current Surge Current
Device
Marking
Type
(2)
IZT
ZZT @ IZT ZZK @ IZK
IZK
IR
@
VR
(V)
IZM
IRM
(V)
(mA)
(Ω)
(Ω)
(mA)
(mA)
(mApk)
(μA)
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
728A
729A
730A
731A
732A
733A
734A
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
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
76.0
69.0
64.0
58.0
53.0
49.0
45.0
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
10
10
400
400
1.0
100
100
50
1.0
1.0
276
252
234
217
193
178
162
146
133
121
110
100
91
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
305
285
250
225
205
190
170
150
135
125
115
110
95
1.0
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
400
1.0
1.0
400
1.0
10
1.0
500
1.0
10
1.0
550
1.0
10
1.0
600
1.0
10
2.0
700
1.0
10
3.0
700
1.0
50
4.0
700
0.5
50
5.0
700
0.5
50
6.0
700
0.5
50
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
50
7.6
700
50
8.4
83
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
9.1
76
700
9.9
69
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
61
16
700
57
20
750
50
22
750
45
23
750
41
25
750
38
35
750
34
8.5
40
1000
1000
1000
1000
1500
1500
1500
2000
2000
2000
2000
3000
3000
3000
30
7.5
45
27
7.0
50
25
6.5
60
23
6.0
70
22
5.5
80
19
5.0
95
18
90
4.5
110
125
150
175
200
250
350
16
80
4.0
14
70
3.7
13
65
3.3
12
60
3.0
11
55
2.8
10
50
2.5
9.0
45
Notes :
(1) The type number listed have a standard tolerance on the nominal zener voltage ± 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
Page 2 of 2
Rev. 03: January 14, 2006
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