L1N4728 thru LZ1200
Surface Mount Zener Diodes
Vz Range:3.3 to 200V Power Dissipation:1W
Features
• Toal power dissipation:max,1.0W
• Low leakage current
• Moisture
sensitivity: level 1
• Solder dip 260 °C, 10 s
,
eSGB (SMAF)
• Low profile， typical thickness 1.0mm
• For use in stabilizing and clipping circuits with high power rating
Maximum Ratings and Thermal Characteristics
(TA = 25 °C unless otherwise noted)
Value
Unit
Parameter
Symbol
See Next Table
Zener current
Power dissipation at
Tamb=50℃
1
W
V
Ptot
VF
Maximum instantaneous
forward voltage at 200mA
1.2
85
Thermal resistance
junction to ambient air
Rthja
℃/W
Operating junction and
storage temperature range
-65 to +175
℃
TJ, TSTG
Note1:Thermal resistance from junction to mount,mounted on PCB with 8.0×8.0mm copper pads
Electrical Characteristics (TA = 25 °C unless otherwise noted)
Test
Dynamic
Knee
Knee
Reverse Reverse Max.DC
Zener voltage
current impedance current impedance current
IZT
Vz(MAX) m A
voltage
VR
V
current
IZM
m A
276
252
234
217
193
178
162
146
133
121
110
Part Number
VZ /V
ZZT
Ω
10
10
9
9
8
7
5
IZK
m A
1
1
1
1
1
1
1
1
1
0.5
0.5
ZZK
Ω
IR(Max)
µAdc
100
100
50
Vz(MIN)
3.135
3.42
L1N4728
L1N4729
L1N4730
L1N4731
L1N4732
L1N4733
L1N4734
L1N4735
L1N4736
L1N4737
L1N4738
3.465
3.78
76
69
64
58
53
49
45
41
37
34
31
400
400
400
400
500
550
600
700
700
700
700
1
1
1
1
1.5
2
3
4
5.2
6
3.705
4.085
4.465
4.845
5.32
4.095
4.515
4.935
5.355
5.88
10
10
10
10
10
10
10
10
5.89
6.51
2
3.5
4
6.46
7.14
7.125
7.79
7.875
8.61
4.5
6.5
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