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12TTS08
800V 8A Phase Control SCR in a TO-220 package
International
IéaR Rectifier
Preliminary Data Sheet I2144 11/97
SAFEIR Series
12TTS08
PHASE CONTROL SCR
Description/Features
The 12TTSO8 SAFEIR series ofsilicon controlled
rectifers are specifically designed for medium
power switching and phase control applications.
The glass passivation technology used has reli-
able operation up to 125° C junction temperature.
Typical applications are in input rectification and
crow-bar (soft start) and these products are
designed to be used with International Rectifier
input diodes, switches and output recWers which
are available in identical package outlines.
Output Current in Typical Applications
v <1.2V@8A
ITSM = 140A
vRRM = 800V
Applications
Single-phase Bridge Three-phase Bridge Units
Capacitive inputfilterTA = 55°C, To =125°C,
common heatsinkofr'CIW
13.5 17 A
Major Ratings and Characteristics
Characteristics 12TTS08 Units
IHAV) Sinusoidal 8 A
waveform
|T(RMS) 12.5 A
VRRM/VDRM 800 V
|TSM 140 A
v, @8A,TJ=25°C 1.2 V
dv/dt 150 V/ps
di/dt 100 Alps
T, range -40to 125 ''C
Package Outline
T0-220AC
Also available in SMD-220 package (series 12TTS..S)
12TTSO8 SAFEIR Series
International
Preliminary Data Sheet I2144 11/97 TOR Rechfler
Voltage Ratings
VRRM, maximum VDRM, maximum IRRN/IDRM
Part Number peak reverse voltage peak direct voltage 125''C
V V mA
12TTS08 800 800 1.0
Absolute Maximum Ratings
Parameters 121T808 Units Conditions
ITW) Max.AverageOn-stateCurrent 8 A @TC=108°C.180°conductionhalfsinewave
|T(RMS) Max.RMSOn-stateCurrent 12.5
ITSM Max.PeakOneCycleNon-Repetitive 120 A 10mssinepulse,ratedvRRMapplied,Tr- 125°C
SurgeCurrent 140 10msSine pulse,novoltagereapplied,TJ= 125°C
Pt Maxittortusing 72 A23 10mssinepulse,ratedvRRMapplied,To= 125°C
100 1OmsSinepuise,novoltagereapplied,TJ= 125°C
I24t Max. fHttorfusing 1000 NHs t=0.1 to 10ms, no voltagereapplied.TJ= 125°C
VTM Max.On-stateVoltageDrop 1.2 V @8A, T J: 25°C
r, On-state slope resistance 16.2 mn T J = 125''C
VWO) Threshold Voltage 0.87 V
lRu% Max.Reverse and Direct 0.05 mA T, = 25 ''C
VR = rated VRRM/ VDRM
LeakageCurrent 1.0 T, = 125 ''C
IH Typ. Holding Current 30 mA Anode Supply = 6V, Resistive load, Initial IT=1A
|L Max. Latching Current 50 mA Anode Supply = 6V, Resistive load
dv/dt Max. rate of rise of off-state Voltage 150 V/ps T J = 25°C
di/dt Max. rate ofrise ofturned-onCurrent 100 Alps
