参数资料
型号: SM6T47AY
厂商: STMICROELECTRONICS
元件分类: TVS二极管 - 瞬态电压抑制
英文描述: 4000 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AA
封装: ROHS COMPLIANT, PLASTIC, SMB, 2 PIN
文件页数: 9/11页
文件大小: 150K
代理商: SM6T47AY
SM6TY
Characteristics
Doc ID 17741 Rev 1
7/11
Figure 12.
Relative variation of thermal
impedance, junction to ambient,
versus pulse duration
Figure 13.
Thermal resistance junction to
ambient versus copper surface
under each lead
Zth (j-a)/Rth (j-a)
0.01
0.10
1.00
1.0E-03
1.0E-02
1.0E-01
1.0E+00
1.0E+01
1.0E+02
1.0E+03
Recommended pad layout
Printed circuit board FR4, copper thickness = 35 m
ms
tp
R
th(j-a) (°C/W)
0
10
20
30
40
50
60
70
80
90
100
110
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Printed circuit board FR4,
copper thickness = 35 m
SCu(cm)
Figure 14.
Leakage current versus junction
temperature (typical values)
Figure 15.
Peak forward voltage drop versus
peak forward current
(typical values)
I
R (nA)
1.E-01
1.E+00
1.E+01
1.E+02
1.E+03
25
50
75
100
125
150
V
R=VRM
V
RM ≥ 10 V
V
R=VRM
V
RM < 10 V
T (° C)
j
1.0E-02
1.0E-01
1.0E+00
1.0E+01
1.0E+02
0.0
0.5
1.0
1.5
2.0
2.5
3.0
I
FM(A)
T
j =25 °C
T
j =125 °C
VFM(V)
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