DYNEX ACR44U16LE, ACR44U14LE, ACR44U12LE, ACR44U08LE, ACR44U10LE Datasheet
ACR44U
ACR44U
Fast Turn-off Asymmetric Thyristor
Advance Information
Replaces March 1998 version, DS4222-3.4 DS4222-4.0 January 2000
APPLICATIONS
■ High Frequency Applications
■ Regulated Power Supplies
■ Capacitor Discharge
■ Ultrasonic Generators
■ Induction Heating
FEATURES
■ The ACR44U is a glass passivated asymmetric
thyristor which has exceptionally fast turn-off capabilities
combined with good turn-on characteristics.
VOLTAGE RATINGS
Type Number Repetitive Peak
Off-state Voltage
V
DRM
V
ACR44U 16LE
ACR44U 14LE
ACR44U 12LE
ACR44U 10LE
ACR44U 08LE
1600
1400
1200
1000
800
Repetitive Peak
Reverse Voltage
V
RRM
V
2
2
2
2
2
KEY PARAMETERS
V
DRM
I
T(AV)
I
TSM
dVdt* 600V/
1600V
44A
550A
µs
dI/dt 2000A/µs
t
q
*dV/dt Available to 1000V/µs
6.0µs
Lower voltage grades available.
See Package Details for further information.
Outline type code: SO28.
CURRENT RATINGS
Symbol Parameter Conditions UnitsMax.
I
T(AV)
I
T(RMS)
I
Mean on-state current
RMS value
T
Continuous (direct) on-state current
Half wave resistive load, T
= 70oC69A
T
case
T
= 85oC57A
case
= 80oC44A
case
1/7
ACR44U
SURGE RATINGS
Symbol
I
TSM
2
tI
I
Parameter
Surge (non-repetitive) forward current
2
t for fusing 1500 A2s
10ms half sine; T
Conditions Max. Units
= 125oC
case
THERMAL AND MECHANICAL DATA
Symbol Parameter
th(j-c)
th(c-h)
T
vj
T
stg
- 3.5
Thermal resistance - junction to caseR
Thermal resistance - case to heatsinkR
Virtual junction temperature
Storage temperature range
Mounting torque
d.c.
Mounting torque 3.5Nm
with mounting compound
On-state (conducting) - 125
Conditions Min. Max. Units
DYNAMIC CHARACTERISTICS
550 A
- 0.35
0.25-
-55 125
4.0 Nm
o
C/W
o
C/W
o
o
C
C
T
= 125˚C unless otherwise stated.
case
ParameterSymbol Conditions
V
TM
I
RRM/IDRM
Maximum on-state voltage At 100A peak, T
Peak reverse and off-state current At V
dV/dt Maximum linear rate of rise of off-state voltage To V
V
T(TO)
r
T
I
L
I
H
t
d
q
Threshold voltage -
On-state slope resistance -
Latching current
Holding current -
Delay time VD = 300V, gate source = 15V, 15Ω
Turn-off time (with antiparallel diode)t
= 25oC
case
, T
RRM/VDRM
DRM Tj
From V
tr = 50ns
= 125oC, gate open circuit
DRM
= 125oC
case
to 125A. Gate source 15V, 15Ω
-
I
= 50A, square wave tp = 50µs, Tj = 120˚C,
T
dI
/dt = 50A/µs, dV/dt = 600V/µs to V
R
gate voltage at turn-off 3.5-4.5V. VR = -1V.
DRM
Typ. Max. Units
-V
- 20/10 mA
- 600*V/µs
- 2000 A/µsRate of rise of on-state currentdI/dt
- 13.3 mΩ
120 - mA
25 - mA
- 250 ns
,
2.7
1.5-V
µs6.0-
* Available to 1000V/µs.
2/7
GATE TRIGGER CHARACTERISTICS AND RATINGS
ACR44U
V
V
V
I
I
FGM
P
G(AV)
GT
GT
FGM
RGM
GM
Gate trigger voltage V
Gate trigger current
V
Peak forward gate voltage - - 40 V
Peak reverse gate voltage
Peak forward gate current -
Peak gate power -
Average gate power
Average time 10ms maxP
WAVEFORM OF GATE VOLTAGE AT TURN-OFF
= 12V, RL = 30Ω, T
DWM
= 12V, RL = 30Ω, T
DWM
ConditionsParameterSymbol
= 25oC
case
= 25oC
case
Typ.
0.9 3.0 V
-
Max. Units
60 200 mA
-10V
-10A
-40W
Forward
Reverse
-10W
-6W
+
I
T
0
a) Anode current waveform
+
V
a
0
b) Anode voltage waveform
+
V
gt
0
c) Gate voltage waveform
3/7
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