impedance junction to case versus
pulse duration (TO-220AC, DPAK)
Z/R
th(j-c) th(j-c)
1.0
Single pulse
0.9
TO-220AC
DPAK
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
1.E-031.E-021.E-011.E+00
t (s)
p
Figure 5.Peak reverse recovery current
versus dI
I (A)
RM
14
V =400V
R
T=125°C
j
12
10
8
6
I =0.25 x I
FF(AV)
4
2
0
050100 150 200 250 300 350 400 450 500
/dt (typical values)
F
I=I
FF(AV)
I =0.5 x I
FF(AV)
dI /dt(A/µs)
F
I =2 x I
FF(AV)
Figure 4.Relative variation of thermal
impedance junction to case versus
pulse duration (TO-220FPAC)
Z/R
th(j-c) th(j-c)
1.0
Single pulse
0.9
TO-220FPAC
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
1.E-031.E-021.E-011.E+001.E+01
t (s)
p
Figure 6.Reverse recovery time versus
dIF/dt (typical values)
t (ns)
rr
250
200
I =2 x I
150
100
50
0
050 100 150 200 250 300 350 400 450 500
FF(AV)
I=I
F F(AV)
dI /dt(A/µs)
F
I =0.5 x I
FF(AV)
V =400V
R
T=125°C
j
Figure 7.Reverse recovery charges versus
dI
/dt (typical values)
F
Q (nC)
rr
350
V =400V
R
T=125°C
j
300
250
200
150
100
50
050 100 150 200 250 300 350 400 450 500
I =2 x I
FF(AV)
dI /dt(A/µs)
F
I=I
FF(AV)
I =0.5 x I
FF(AV)
Figure 8.Softness factor versus
dIF/dt (typical values)
S factor
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
050 100 150 200 250 300 350 400 450 500
dI /dt(A/µs)
F
3/9
I = 2 x I
FF(AV)
V = 400 V
R
T = 125° C
j
Page 4
CharacteristicsSTTH506
Figure 9.Relative variations of dynamic
parameters versus junction
temperature
1.50
1.25
1.00
0.75
0.50
0.25
0.00
255075100125
I and
RM
S factor
T (°C)
j
Q
RR
I=I
FF(AV)
V =400V
R
Reference:T =125°C
j
Figure 11. Forward recovery time versus
dI
/dt (typical values)
F
t (ns)
fr
220
200
180
160
140
120
100
80
60
40
20
0
0100200300400500
dI /dt(A/µs)
F
I=I
FF(AV)
V =1.1 x V max.
FRF
T=125°C
j
Figure 10. Transient peak forward voltage
versus dI
V (V)
FP
26
I=I
FF(AV)
24
T=125°C
j
22
20
18
16
14
12
10
8
6
4
2
0
0100200300400500
/dt (typical values)
F
dI /dt(A/µs)
F
Figure 12. Junction capacitance versus
reverse voltage applied
(typical values)
C(pF)
100
10
V (V)
1
1101001000
R
F=1MHz
V =30mV
OSCRMS
T=25°C
j
Figure 13. Thermal resistance junction to
ambient versus copper surface
under tab (printed circuit board
FR4, e
R(°C/W)
th(j-a)
100
90
80
70
60
50
40
30
20
10
0
0510152025303540
4/9
= 35 µm)
CU
S(cm²)
(Cu)
DPAK
Page 5
STTH506Package mechanical data
2 Package mechanical data
Epoxy meets UL94, V0
Cooling method: by conduction (C)
Recommended torque value: 0.80 Nm
Maximum torque value: 1.0 Nm
Table 5.DPAK Dimensions
Dimensions
E
B2
L2
H
L4
B
G
A2
0.60 MIN.
R
A1
V2
A
C2
D
R
C
Figure 14. DPAK Footprint dimensions (in mm)
Ref.
MillimetersInches
Min.MaxMin.Max.
A2.202.400.0860.094
A10.901.100.0350.043
A20.030.230.0010.009
B0.640.900.0250.035
B25.205.400.2040.212
C0.450.600.0170.023
C20.480.600.0180.023
D6.006.200.2360.244
E6.406.600.2510.259
G4.404.600.1730.181
H9.3510.100.3680.397
L20.80 typ.0.031 typ.
L40.601.000.0230.039
V20°8°0°8°
6.7
6.733
1.6
2.3
2.3
1.6
5/9
Page 6
Package mechanical dataSTTH506
Table 6.TO-220AC Dimensions
Dimensions
L2
F1
Ref.
Millimeters Inches
Min.Max.Min.Max.
H2
Ø I
L5
A
C
L7
L6
A4.404.600.1730.181
C1.231.320.0480.051
D2.402.720.0940.107
E0.490.700.0190.027
F0.610.880.0240.034
F11.141.700.0440.066
G4.955.150.1940.202
L9
L4
F
G
D
H210.0010.400.3930.409
L216.40 typ.0.645 typ.
L413.0014.000.5110.551
M
E
L52.652.950.1040.116
L615.2515.750.6000.620
L76.206.600.2440.259
L93.503.930.1370.154
M2.6 typ.0.102 typ.
Diam. I3.753.850.1470.151
6/9
Page 7
STTH506Package mechanical data
Table 7.TO-220FPAC Dimensions
Dimensions
Ref.
MillimetersInches
Min.Max.Min.Max.
A4.44.60.1730.181
A
H
B
B2.52.70.0980.106
D2.52.750.0980.108
E0.450.700.0180.027
Dia
L6
L2
L3
L5
D
F1
L4
L7
F0.7510.0300.039
F11.151.700.0450.067
G4.955.200.1950.205
G12.42.70.0940.106
H1010.40.3930.409
L216 Typ.0.63 Typ.
F
G1
G
E
L328.630.61.1261.205
L49.810.60.3860.417
L52.93.60.1140.142
L615.916.40.6260.646
L79.009.300.3540.366
Dia.3.003.200.1180.126
In order to meet environmental requirements, ST offers these devices in ECOPACK®
packages. These packages have a lead-free second level interconnect. The category of
second level interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com.
7/9
Page 8
Ordering informationSTTH506
3 Ordering information
Part NumberMarkingPackageWeightBase qty
STTH506BSTTH506BDPAK0.3 g75Tube
STTH506B-TRSTTH506BDPAK0.3 g2500Tape and reel
STTH506DSTTH506DTO-220AC1.8650Tube
STTH506FPSTTH506FPTO-220FPAC1.8 g50Tube
Delivery
mode
4 Revision history
DateRevisionDescription of Changes
18-May-20061First issue.
8/9
Page 9
STTH506
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