DYNEX TF92125H, TF92124H, TF92122H Datasheet
TF921..H
TF921..H
Fast Switching Thyristor
Advance Information
Replaces June 1998 version, DS4280-3.0 DS4280-4.0 January 2000
APPLICATIONS
■ High Power Inverters And Choppers
■ UPS
■ Railway Traction
■ Induction Heating
■ AC Motor Drives
■ Cycloconverters
FEATURES
■ Double Side Cooling
■ High Surge Capability
■ High Voltage
VOLTAGE RATINGS
Type Number
TF921 25H
TF921 24H
TF921 22H
Repetitive
Peak
Voltages
V
DRM VRRM
2500
2400
2200
V
I
DRM
Conditions
= V
RSM
RRM
= I
RRM
+ 100V
= 100mA
KEY PARAMETERS
V
DRM
I
T(RMS)
I
TSM
dV/dt 500V/
2500V
1570A
13600A
µs
dI/dt 500A/µs
t
q
120µs
Lower voltage grades available.
CURRENT RATINGS
Symbol
I
T(AV)
I
T(RMS)
Mean on-state current
RMS value
at V
or V
RRM
Parameter Conditions Max. Units
DRM
& T
vj
Half sinewave, 50Hz, T
Half sinewave, 50Hz, T
Outline type code: MU169.
See Package Details for further information.
case
case
= 80oC
= 80oC
1000
1570
A
A
1/5
TF921..H
SURGE RATINGS
Symbol
I
TSM
I2t 930 x 10
Surge (non-repetitive) on-state current
2
t for fusing
I
Parameter Conditions Max. Units
10ms half sine; VR = 0% V
10ms half sine; VR = 0% V
, Tj = 125˚C 13.6 kA
RRM
, Tj = 125˚C
RRM
THERMAL AND MECHANICAL DATA
Symbol
R
th(j-c)
R
th(c-h)
T
vj
Parameter
Thermal resistance - junction to case
Thermal resistance - case to heatsink
Virtual junction temperature
Double side cooled
Single side cooled
Clamping force 23.5kN
with mounting compound
On-state (conducting) - 135
Reverse (blocking)
Conditions Min. Max. Units
dc
Cathode dc - Double side
Single side
- 0.02
0.006
-
- 0.012
125
-
3
A2s
o
C/W
o
C/W--Anode dc
o
C/W
o
C/W
o
C/W
o
C
o
C
T
stg
-
Storage temperature range
Clamping force 22.3 24.6 kN
MEASUREMENT OF RECOVERED CHARGE - Q
Measurement of Q
I
TM
tp = 1ms
dIR/dt
RA1
: Q
= IRR x t
RA1
Q
I
RR
2
RA1
0.5x I
RR
RR
RA1
-40 150
o
C
2/5
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