1SMA4728A
THRU
1SMA4764A
Zener Diodes 1W
FEATURES：
◆ ZENER impedance at low current is small
◆ High rel iabilit y
◆ And welding hot 250 ℃ 10s
MECHANICAL DATA:
◆ Cas e: Molded plast ic
◆ Epoxy：UL94V-0 rat e flame retard ant
◆ Polari ty: Color band den otes cathode end
◆ Mounting position: Any
◆
Weight: 0.066gram
◆
Lead Free Finish/RoHS Compliant
SMA/DO-214AC（SMA）
.0598(1.52) .110(2.79)
.052(1.32) .100(2.54)
.177(4.50)
.155(3.90)
.012(0.31)
.006(0.15)
.095(2.40)
.075(1.90)
.060(1.52)
.006
MAX.
.030(0.76)
(.15)
.208(5.30)
.192(4.90)
1.0 WATT SURFACE MOUNTSI LICON ZENER
DIODES
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECRICAL
CHARACTERISTICS
Rating at 25℃ ambient temperature un less otherwise
specified.
Parameters
SYMBOL VALUE
UNITS
ZENER Current I
Z
MAX
See tabl e
mA
Power dissipation @TL=75℃( Note1 )
Pt 1.0
W
forward voltage @IF=200mA VF 1.5
V
Thermal Resistance s ( Junction to A mbient ,Note1)
R
θ（ja）
32
℃/W
S tore te mperature range
T
J
,
T
STG
-55～+150
℃
NOTES :
1. Thermal Resistance from Junction to terminal mounted on 5×5mm copper pad area.
http://www.bytesonic.com.tw/
Version 1.2 2015/10/14
Type No.
Nominal
Zener
Voltage
Test
Current
Maximum Zener
Impedance
Maximum Reverse
Leakage Current
Maximum DC
Zener
Current
Maximum
Surge
Current
VZ@IZT
IZT
ZZT@IZT
ZZK@IZK IZK IR @ VR IZM
IRM
(
2
)
（V）
（mA）
(
Ω
)
(
Ω
)
(
mA
)
(
uA
)
(
V
)
(
mA
)
(
mApk
)
1SMA4728A
3.3
76.0
10
400 1.0 100 1.0 276
1380
1SMA4729A
3.6
69.0
10
400 1.0 100 1.0 252
1260
1SMA4730A
3.9
58.0
9.0
400 1.0 50 1.0 234
1190
1SMA4731A
4.3
58.0
9.0
400 1.0 10 1.0 217
1070
1SMA4732A
4.7
53.0
8.0
500 1.0 10 1.0 193
970
1SMA4733A
5.1
49.0
7.0
500 1.0 10 1.0 178
890
1SMA4734A
5.6
45.0
5.0
500 1.0 10 2.0 162
810
1SMA4735A
6.2
41.0
2.0
700 1.0 10 3.0 146
730
1SMA4736A
6.8
37.0
3.5
700 1.0 50 4.0 133
660
1SMA4737A
7.5
34.0
4.0
700 0.5 50 5.0 121
605
1SMA4738A
8.2
31.0
4.5
700 0.5 50 6.0 110
550
1SMA4739A
9.1
28.0
5.0
700 0.5 50 7.0 100
500
1SMA4740A
10
25.0
7.0
700 0.25 50 7.6 91
454
1SMA4741A
11
23.0
8.0
700 0.25 50 8.4 83
414
1SMA4742A
12
21.0
9.0
700 0.25 5.0 9.1 76
380
1SMA4743A
13
19.0
10
700 0.25 5.0 9.9 69
144
1SMA4744A
15
17.0
14
700 0.25 5.0 11.4 61
305
1SMA4745A
16
15.5
16
700 0.25 5.0 12.2 57
285
1SMA4746A
18
14.0
20
750 0.25 5.0 13.7 50
250
1SMA4747A
20
12.5
22
750 0.25 5.0 15.2 45
225
1SMA4748A
22
11.5
23
750 0.25 5.0 16.7 41
205
1SMA4749A
24
10.5
25
750 0.25 5.0 18.2 38
190
1SMA4750A
27
9.5
35
750 0.25 5.0 20.6 34
170
1SMA4751A
30
8.5
40
1000 0.25 5.0 22.8 30
150
1SMA4752A
33
7.5
45
1000 0.25 5.0 25.1 27
135
1SMA4753A
36
7.0
50
1000 0.25 5.0 27.4 25
125
1SMA4754A
39
6.5
60
1000 0.25 5.0 29.7 23
115
1SMA4755A
43
6.0
70
1500 0.25 5.0 32.7 22
110
1SMA4756A
47
5.5
80
1500 0.25 5.0 35.8 19
95
1SMA4757A
51
5.0
95
1500 0.25 5.0 38.8 18
90
1SMA4758A
56
4.5
110
2000 0.25 5.0 42.6 16
80
1SMA4759A
62
4.0
125
2000 0.25 5.0 47.1 14
70
1SMA4760A
68
3.7
150
2000 0.25 5.0 51.7 13
65
1SMA4761A
75
3.3
175
2000 0.25 5.0 56.0 12
60
1SMA4762A
82
3.0
200
3000 0.25 5.0 62.2 11
55
1SMA4763A
91
2.8
2.5
3000 0.25 5.0 69.2 10
50
1SMA4764A
100
2.5
350
3000 0.25 5.0 76.0 9.0
45
http://www.bytesonic.com.tw/
Version 1.2 2015/10/14
1SMA4728A
THRU
1SMA4764A
Suffix"A"indi cates±5% tolerance
Note: