180A
PHASE CONTROL THYRISTORS
Stud Version
181RKI SERIES
Bulletin I25153/B
Features
Hermetic glass-metal seal
dv/dt = 1000V/s option
International standard case TO-209AB (TO-93)
Threaded studs UNF 3/4 - 16UNF2A
Typical Applications
DC motor controls
Controlled DC power supplies
AC controllers
I
T(AV)
180
A
@ T
C
80
C
I
T(RMS)
285
A
I
TSM
@
50Hz
3800
A
@ 60Hz
4000
A
I
2
t
@
50Hz
72
KA
2
s
@ 60Hz
66
KA
2
s
V
DRM
/V
RRM
400 to 1000
V
t
q
typical
100
s
T
J
- 40 to 125
C
Parameters
181RKI
Units
Major Ratings and Characteristics
case style
TO-209AB (TO-93)
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181RKI Series
2222222222222
12
Voltage
V
DRM
/V
RRM
, max. repetitive
V
RSM
, maximum non-
I
DRM
/I
RRM
max.
Type number
Code
peak and off-state voltage
repetitive peak voltage
@ T
J
= T
J
max.
V
V
mA
40
400
500
181RKI
80
800
900
30
100
1000
1100
ELECTRICAL SPECIFICATIONS
Voltage Ratings
I
T(AV)
Max. average on-state current
180
A
180 conduction, half sine wave
@ Case temperature
80
C
I
T(RMS)
Max. RMS on-state current
285
DC @ 79C case temperature
I
TSM
Max. peak, one-cycle
3800
t = 10ms
No voltage
non-repetitive surge current
4000
A
t = 8.3ms
reapplied
3500
t = 10ms
100% V
RRM
3660
t = 8.3ms
reapplied
Sinusoidal half wave,
I
2
t
Maximum I
2
t for fusing
72
t = 10ms
No voltage
Initial T
J
= T
J
max.
66
t = 8.3ms
reapplied
61
t = 10ms
100% V
RRM
56
t = 8.3ms
reapplied
I
2
t
Maximum I
2
t for fusing
720
KA
2
s
t = 0.1 to 10ms, no voltage reapplied
V
T(TO)1
Low level value of threshold
voltage
V
T(TO)
2
High level value of threshold
voltage
r
t1
Low level value of on-state
slope resistance
r
t2
High level value of on-state
slope resistance
V
TM
Max. on-state voltage
1.35
V
I
pk
= 570A, T
J
= T
J
max, t
p
= 10ms sine pulse
I
H
Maximum holding current
600
I
L
Typical latching current
1000
0.83
(16.7% x
x I
T(AV)
< I <
x I
T(AV)
), T
J
= T
J
max.
0.92
(16.7% x
x I
T(AV)
< I <
x I
T(AV)
), T
J
= T
J
max.
0.81
(I >
x I
T(AV)
),T
J
= T
J
max.
Parameter
181RKI
Units Conditions
0.89
(I >
x I
T(AV)
),T
J
= T
J
max.
On-state Conduction
KA
2
s
V
m
mA
T
J
= 25C, anode supply 12V resistive load
di/dt
Max. non-repetitive rate of rise
Gate drive 20V, 20
, t
r
1s
of turned-on current
T
J
= T
J
max, anode voltage
80%
V
DRM
Gate current 1A, di
g
/dt = 1A/s
V
d
= 0.67% V
DRM
,
T
J
= 25C
I
TM
= 50A, T
J
= T
J
max, di/dt
= 10A/s, V
R
= 100V
dv/dt
= 20V/s
Parameter
181RKI
Units Conditions
t
d
Typical delay time
1.0
Switching
t
q
Typical turn-off time
100
s
300
A/s
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181RKI Series
Fig. 4 - On-state Power Loss Characteristics
Fig. 3 - On-state Power Loss Characteristics
Fig. 6 - Maximum Non-Repetitive Surge Current
Fig. 5 - Maximum Non-Repetitive Surge Current
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181RKI Series
Fig. 8 - Thermal Impedance Z
thJC
Characteristic
Fig. 7 - On-state Voltage Drop Characteristics
Fig. 9 - Gate Characteristics
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