SMCJ50A-TR Datasheet, PDF (4/5 Pages) STMicroelectronics – TRANSILTM

SMCJxxxA-TR, CA-TR
Fig. 5-1: Capacitance versus reverse applied volt-
age (typical values) (SMCJxxA serie).
C(nF)
10.00
SMCJ5.0A
F=1MHz
1.00
0.10
SMCJ18A
SMCJ33A
SMCJ58A
SMCJ188A
Fig. 5-2: Capacitance versus reverse applied volt-
age (typical values) (SMCJxxCA serie).
C(nF)
10.00
SMCJ5.0CA
F=1MHz
1.00
0.10
SMCJ18CA
SMCJ33CA
SMCJ58CA
SMCJ188CA
0.01
1
10
VR(V)
100 200
Fig. 6: Peak forward voltage drop versus peak for-
ward current (typical values).
IFM(A)
200.0
100.0
Tj=125°C
10.0
Tj=25°C
1.0
0.01
1
10
VR(V)
100 200
Fig. 7: Relative variation of thermal impedance
junction to ambient versus pulse duration.
(Printed circuit board FR4, S(Cu)=1cm²).
Zth(j-a)/Rth(j-a)
1.00
0.10
0.1
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0.01
1E-2
VFM(V)
1E-1
1E+0
1E+1
tp(s)
1E+2 5E+2
Fig. 8: Thermal resistance junction to ambient ver-
sus copper surface under each lead
(Printed circuit board FR4, e(Cu)=35µm)
Rth(j-a) (°C/W)
100
90
80
70
60
50
40
0
1
2
3
4
5
S(cm²)
Fig. 9: Relative variation of leakage current versus
junction temperature.
IR[Tj] / IR [Tj=25°C]
2E+3
1E+3
1E+2
VBR upper or
equal to 8.5V
1E+1
1E+0
VBR<8.5V
1E-1
0
25 50 75 100 125 150
Tj(°C)
4/5