Bulletin I25153 rev. D 09/03
180/181RKI SERIES
PHASE CONTROL THYRISTORS
Stud Version
Features
Hermetic glass-metal seal
International standard case TO-209AB (TO-93)
180A
Typical Applications
DC motor controls
Controlled DC power supplies
AC controllers
Major Ratings and Characteristics
Parameters
I
T(AV)
@ T
C
I
T(RMS)
I
TSM
@ 50Hz
@ 60Hz
I
2
t
@ 50Hz
@ 60Hz
V
DRM
/V
RRM
t
q
T
J
typical
180/181RKI
180
80
285
3800
4000
72
66
400 to 1000
100
- 40 to 125
Units
A
°C
A
A
A
KA
2
s
KA
2
s
V
µs
°C
case style
TO-209AB (TO-93)
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180/181RKI Series
Bulletin I25153 rev. D 09/03
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage
Type number
Code
40
180/181RKI
80
100
V
DRM
/V
RRM
, max. repetitive
peak and off-state voltage
V
400
800
1000
repetitive peak voltage
V
500
900
1100
V
RSM
, maximum non-
I
DRM
/I
RRM
max.
@ T
J
= T
J
max.
mA
30
On-state Conduction
Parameter
I
T(AV)
Max. average on-state current
@ Case temperature
I
T(RMS)
Max. RMS on-state current
I
TSM
Max. peak, one-cycle
non-repetitive surge current
180/181RKI
180
80
285
3800
4000
3500
3660
Units Conditions
A
°C
DC @ 79°C case temperature
t = 10ms
A
t = 8.3ms
t = 10ms
t = 8.3ms
t = 10ms
KA
2
s
t = 8.3ms
t = 10ms
t = 8.3ms
KA
2
√s
No voltage
reapplied
100% V
RRM
reapplied
No voltage
reapplied
100% V
RRM
reapplied
Sinusoidal half wave,
Initial T
J
= T
J
max.
180° conduction, half sine wave
I
2
t
Maximum
I
2
t
for fusing
72
66
61
56
I
2
√t
Maximum I
2
√t
for fusing
720
0.83
t = 0.1 to 10ms, no voltage reapplied
(16.7% x
π
x I
T(AV)
< I <
π
x I
T(AV)
), T
J
= T
J
max.
V
T(TO)1
Low level value of threshold
voltage
V
T(TO)
2
High level value of threshold
voltage
r
t1
r
t2
V
TM
I
H
I
L
Low level value of on-state
slope resistance
High level value of on-state
slope resistance
Max. on-state voltage
Maximum holding current
Typical latching current
V
0.89
(I >
π
x I
T(AV)
),T
J
= T
J
max.
(16.7% x
π
x I
T(AV)
< I <
π
x I
T(AV)
), T
J
= T
J
max.
mΩ
0.81
1.35
600
1000
V
mA
(I >
π
x I
T(AV)
),T
J
= T
J
max.
I
pk
= 570A, T
J
= T
J
max, t
p
= 10ms sine pulse
T
J
= 25°C, anode supply 12V resistive load
0.92
Switching
Parameter
di/dt
Max. non-repetitive rate of rise
of turned-on current
t
d
t
q
Typical delay time
Typical turn-off time
180/181RKI
300
1.0
Units Conditions
A/µs
Gate drive 20V, 20Ω, t
r
≤1µs
T
J
= T
J
max, anode voltage
≤
80% V
DRM
Gate current 1A, di
g
/dt = 1A/µs
V
d
= 0.67% V
DRM
, T
J
= 25°C
dv/dt = 20V/µs
µs
100
I
TM
= 50A, T
J
= T
J
max, di/dt = 10A/µs, V
R
= 100V
2
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180/181RKI Series
Bulletin I25153 rev. D 09/03
Blocking
Parameter
dv/dt
I
RRM
I
DRM
Maximum critical rate of rise of
off-state voltage
Max. peak reverse and off-state
leakage current
180/181RKI
500
30
Units Conditions
V/µs
mA
T
J
= T
J
max. linear to 80% rated V
DRM
T
J
= T
J
max, rated V
DRM
/V
RRM
applied
Triggering
Parameter
P
GM
I
GM
+V
GM
-V
GM
Maximum peak gate power
Max. peak positive gate current
Maximum peak positive
gate voltage
Maximum peak negative
gate voltage
TYP.
I
GT
DC gate current required
to trigger
130
65
35
V
GT
DC gate voltage required
to trigger
2.0
1.2
0.9
I
GD
V
GD
DC gate current not to trigger
DC gate voltage not to trigger
10
0.25
P
G(AV)
Maximum average gate power
180/181RKI
10
2.0
3.0
20
Units Conditions
W
A
T
J
= T
J
max, t
p
≤
5ms
T
J
= T
J
max, f = 50Hz, d% = 50
T
J
= T
J
max, t
p
≤
5ms
V
5.0
MAX.
-
150
-
-
2.5
-
mA
V
V
mA
T
J
= T
J
max., t
p
≤
5ms
T
J
= - 40°C
T
J
= 25°C
T
J
= 125°C
T
J
= - 40°C
T
J
= 25°C
T
J
= 125°C
T
J
= T
J
max.
Max. gate current/ voltage not to
trigger is the max. value which
will not trigger any unit with rated
V
DRM
anode-to-cathode applied
Max. required gate trigger/ cur-
rent/ voltage are the lowest value
which will trigger all units 12V
anode-to-cathode applied
Thermal and Mechanical Specification
Parameter
T
J
T
stg
Max. operating temperature range
Max. storage temperature range
180/181RKI
-40 to 125
-40 to 150
0.15
Units Conditions
°C
R
thJC
Max. thermal resistance,
junction to case
R
thCS
Max. thermal resistance,
case to heatsink
T
Mounting torque, ± 10%
DC operation
K/W
Mounting surface, smooth, flat and greased
0.04
31
(275)
24.5
(210)
Nm
(lbf-in)
Non lubricated threads
Lubricated threads
g
See Outline Table
wt
Approximate weight
Case style
280
TO - 209AB (TO-93)
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180/181RKI Series
Bulletin I25153 rev. D 09/03
∆R
thJC
Conduction
Conduction angle
180°
120°
90°
60°
30°
(The following table shows the increment of thermal resistence R
thJC
when devices operate at different conduction angles than DC)
Sinusoidal conduction Rectangular conduction Units
0.050
0.063
0.080
0.118
0.225
0.032
0.059
0.082
0.124
0.228
K/W
Conditions
T
J
= T
J
max.
Ordering Information Table
Device Code
18
1
2
3
4
-
-
-
-
I
T(AV)
rated average output current (rounded/10)
0 = Eyelet terminals (Gate and Auxiliary Cathode Leads)
1 = Fast - on terminals (Gate and Auxiliary Cathode Leads)
Thyristor
Voltage code: Code x 10 = V
RRM
(See Voltage Rating Table)
1
1
2
RKI 100
3
4
Outline Table
GLASS METAL SEAL
19 (0.75) MAX.
8.5 (0.33) DIA.
4.3 (0.17) DIA.
9.
5(
0.3
6)
7)
MI
M
N.
IN
.
4 (0.16) MAX.
FLEXIBLE LEAD
C.S. 25mm 2
RED SILICON RUBBER
10 (0.39)
RED CATHODE
C.S. 0.4mm
(0.0006 s.i.)
WHITE GATE
2
(0.039 s.i.)
+I
210 (8.26)
Case Style TO-209AB (TO-93)
All dimensions in millimeters (inches)
82 (3.23) MIN.
RED SHRINK
220 (8.66) +10 (0.39)
-
WHITE SHRINK
Fast-on Terminals
28.5 (1.12)
16 (0.63) MAX.
MAX.
28.5 (1.12) MAX. DIA.
21 (0.83)
MAX.
SW 32
3/4"-16UNF-2A
35 (1.38) MAX.
4
22
AMP. 280000-1
REF-250
(0
.8
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180/181RKI Series
Bulletin I25153 rev. D 09/03
Maximum Allowable Case Temperature (°C)
130
120
110
Conduction Angle
Maximum Allowable Case Temperature (°C)
180/181RKI Series
181RKI Series
R
thJC
(DC) = 0.15 K/W
130
120
110
180/181RKI Series
181RKI Series
R
thJC
(DC) = 0.15 K/W
Conduction Period
100
90
80
70
0
20 40 60 80 100 120 140 160 180 200
Average On-state Current (A)
Fig. 1 - Current Ratings Characteristics
100
90
80
70
0
50
100
150
200
250
300
Average On-state Current (A)
Fig. 2 - Current Ratings Characteristics
30°
60°
90°
30°
60°
90°
120° 180°
120°
180°
DC
Maximum Average On-state Power Loss (W)
240
S
R
th
220
200
180
160
140
180°
120°
90°
60°
30°
RMS Limit
2K
0.
3
0.
W
K/
0.6
K/
W
A
/W
K/ W
.1
=0
elt
-D
aR
120
100
80
60
0 .8
1K
K/W
/W
Conduction Angle
1 .5
K/W
40
20
0
180/181RKI Series
181RKI Series
T
J
= 125°C
2 K /W
0
20
40
60
80 100 120 140 160 180
0
25
50
75
100
125
Average On-state Current (A)
Maximum Allowable Ambient Temperature (°C)
Fig. 3 - On-state Power Loss Characteristics
Maximum Average On-state Power Loss (W)
350
300
250
200
DC
180°
120°
90°
60°
30°
A
hS
R
t
0.
2
K/
=
W
1
0.
0.
3
W
K/
K/
W
el
-D
ta
R
150 RMS Limit
Conduction Period
0.6
K/ W
100
50
0
0
50
100
180/181RKI Series
181RKI Series
T
J
= 125°C
150
200
250
K/ W
1 K/
W
1.5 K
/W
2 K/ W
0.8
0
300
25
50
75
100
125
Average On-state Current (A)
Maximum Allowable Ambient Temperature (°C)
Fig. 4 - On-state Power Loss Characteristics
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