參數(shù)資料
型號(hào): SMCJ85A-TR
廠商: STMICROELECTRONICS
元件分類: TVS二極管 - 瞬態(tài)電壓抑制
英文描述: 1500 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AB
封裝: ROHS COMPLIANT, PLASTIC, SMC, 2 PIN
文件頁(yè)數(shù): 6/10頁(yè)
文件大?。?/td> 125K
代理商: SMCJ85A-TR
SMCJ
Characteristics
Doc ID 5617 Rev 8
5/10
Figure 6.
Junction capacitance versus
reverse applied voltage for
unidirectional types (typical values)
Figure 7.
Junction capacitance versus
reverse applied voltage for
bidirectional types (typical values)
0.01
0.10
1.00
10.00
1
10
100
1000
C(nF)
F=1 MHz
V
OSC=30 mVRMS
T
j=25 °C
SMCJ5.0A
SMCJ12A
SMCJ24A
SMCJ40A
SMCJ85A
SMCJ188A
VR(V)
0.01
0.10
1.00
10.00
1
10
100
1000
C(nF)
F=1 MHz
V
OSC=30 mVRMS
T
j=25 °C
SMCJ5.0CA
SMCJ12CA
SMCJ24CA
SMCJ40CA
SMCJ85CA
SMCJ188CA
VR(V)
Figure 8.
Peak forward voltage drop
versus peak forward current
(typical values)
Figure 9.
Relative variation of thermal
impedance, junction to ambient,
versus pulse duration
Figure 10. Thermal resistance junction to
ambient versus copper surface
under each lead
Figure 11. Leakage current versus junction
temperature (typical values)
I
FM(A)
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
T
j =25 °C
T
j =125 °C
VFM(V)
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
Z
th(j-a) /Rth(j-a)
tP(s)
Recommended pad layout
PCB FR4, copper thickness = 35 m
0
10
20
30
40
50
60
70
80
90
100
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
R
th(j-a) (°C/W)
SCU(cm)
PCB FR4, copper thickness = 35 m
IR (nA)
1.0E+00
1.0E+01
1.0E+02
1.0E+03
1.0E+04
25
50
75
100
125
150
V
R=VRM
V
RM ≥ 10 V
V
R=VRM
V
RM <10 V
Tj(°C)
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