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PDF STTA312B Data sheet ( Hoja de datos )
| Número de pieza | STTA312B | |
| Descripción | TURBOSWITCHTM ULTRA-FAST HIGH VOLTAGE DIODE | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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® STTA312B
TURBOSWITCHTM ULTRA-FAST HIGH VOLTAGE DIODE
MAIN PRODUCT CHARACTERISTICS
IF(AV)
VRRM
trr (typ)
VF (max)
3A
1200 V
65 ns
1.7 V
FEATURES AND BENEFITS
SPECIFICTO THE FOLLOWING OPERATIONS:
SNUBBING OR CLAMPING, DEMAGNETIZA-
TION AND RECTIFICATION
ULTRA-FAST, SOFT RECOVERY
VERY LOW OVERALL POWER LOSSES AND
PARTICULARY LOW FORWARD VOLTAGE
HIGHFREQUENCY OPERATION
HIGH REVERSE VOLTAGE CAPABILITY
K
A
NC
DPAK
DESCRIPTION
TURBOSWITCH 1200V drastically cuts losses in
all high voltage operationswhich require extremely
fast, soft and noise-free power diodes.
Due to their optimized switching performances
they also highly decrease power losses in any
associated switching IGBT or MOSFET in all
”freewheel mode” operations.
They are particularly suitable in motor control
circuitries, or in primary of SMPS as snubber,
clamping or demagnetizing diodes. They are also
suitablefor the secondaryof SMPS as high voltage
rectifier diodes.
ABSOLUTE RATINGS (limiting values)
Symbol
VRRM
VRSM
IF(RMS)
IFRM
IFSM
Tstg
Tj
Parameter
Repetitive peak reverse voltage
Non repetitive peak reverse voltage
RMS forward current
Repetitive peak forward current
tp = 5 µs F = 5kHz square
Surge non repetitive forward current tp = 10ms sinusoidal
Storage temperature range
Maximum operating junction temperature
Value
1200
1200
6
35
25
- 65 to + 150
125
Unit
V
V
A
A
A
°C
°C
TURBOSWITCH is a trademark of STMicroelectronics
November 1999 - Ed: 4A
1/8
1 page  
APPLICATION DATA
The 1200V TURBOSWITCHTM series has been
designed to provide the lowest overall power
losses in all frequency or high pulsed current
operations.
In such application (fig. A to D), the way of
calculating the power losses is given below :
TOTAL LOSSES
due to the diode
P = P1+ P2+ P3+ P4+ P5 Watts
STTA312B
CONDUCTION
LOSSES
in the diode
REVERSE
LOSSES
in the diode
SWITCHING
LOSSES
in the diode
SWITCHING
LOSSES
in the diode
due to the diode
Fig. A : ”FREEWHEEL MODE”.
SWITCHING
TRANSISTOR
DIODE:
TURBOSWITCH
VR
t
T
F = 1/T = t/T
IL
LOAD
5/8
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| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet STTA312B.PDF ] | |
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