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STMicroelectronics Electronic Components Datasheet

STTH112U Datasheet

HIGH VOLTAGE ULTRAFAST RECTIFIER

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STTH112U pdf
® STTH112/A/U
HIGH VOLTAGE ULTRAFAST RECTIFIER
MAIN PRODUCT CHARACTERISTICS
IF(AV)
VRRM
Tj (max)
VF (max)
1A
1200 V
175 °C
1.65 V
FEATURES AND BENEFITS
s Low forward voltage drop
s High reliability
s High surge current capability
s Soft switching for reduced EMI disturbances
s Planar technology
DO-41
STTH112
DESCRIPTION
The STTH112, which is using ST ultrafast high
voltage planar technology, is specially suited for
free-wheeling, clamping, snubbering, demagneti-
zation in power supplies and other power switching
applications.
SMA
STTH112A
SMB
STTH112U
ABSOLUTE RATINGS (limiting values)
Symbol
Parameter
VRRM Repetitive peak reverse voltage
V(RMS) RMS voltage
IF(AV) Average forward current
Tl = 85°C δ =0.5
Tl = 115°C δ =0.5
Tl = 125°C δ =0.5
IFSM Forward surge current t = 8.3 ms
Tstg Storage temperature range
Tj Maximum operating junction temperature
DO-41
SMA
SMB
DO-41
SMA
SMB
Value
1200
850
1
Unit
V
V
A
20 A
18
- 50 + 175
+ 175
°C
°C
January 2003 - Ed: 2
1/6


STMicroelectronics Electronic Components Datasheet

STTH112U Datasheet

HIGH VOLTAGE ULTRAFAST RECTIFIER

No Preview Available !

STTH112U pdf
STTH112/A/U
THERMAL PARAMETERS
Symbol
Rth (j-l) Junction to lead
Rth (j-a) Junction to ambient
Parameter
L = 10 mm
L = 10 mm
DO-41
SMA
SMB
DO-41
Value
45
30
25
110
Unit
°C/W
STATIC ELECTRICAL CHARACTERISTICS
Symbol
Parameter
Tests conditions
Min.
IR Reverse leakage current VR = 1200V Tj = 25°C
Tj = 125°C
VF Forward voltage drop
IF = 1 A
Tj = 25°C
Tj = 125°C
To evaluate the maximum conduction losses use the following equation :
P = 1.35 x IF(AV) + 0.3 x IF2(RMS)
Typ.
1.17
Max.
5
50
1.9
1.65
Unit
µA
V
DYNAMIC ELECTRICAL CHARACTERISTICS
Symbol
Parameter
Tests conditions
Min. Typ. Max. Unit
trr Reverse recovery time IF = 0.5 A
Tj = 25°C
Irr = 0.25 A IR = 1A
75 ns
tfr Forward recovery time IF = 1 A
Tj = 25°C
VFP
Forward recovery voltage
dIF/dt = 50 A/µs
VFR = 1.1 x VFmax
500 ns
30 V
Fig. 1: Conduction losses versus average current.
P(W)
2.2
2.0
1.8
δ = 0.1 δ = 0.2
δ = 0.05
δ = 0.5
1.6
1.4 δ = 1
1.2
1.0
0.8
0.6
T
0.4
0.2
IF(AV)(A)
δ=tp/T
tp
0.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
Fig. 2: Forward voltage drop versus forward
current.
IFM(A)
100.0
10.0
Tj=125°C
(maximum values)
Tj=125°C
(typical values)
Tj=25°C
(maximum values)
1.0
VFM(V)
0.1
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
2/6


Part Number STTH112U
Description HIGH VOLTAGE ULTRAFAST RECTIFIER
Maker ST Microelectronics
Total Page 6 Pages
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