300A
PHASE CONTROL THYRISTORS Stud Version
ST300S SERIES
1
Bulletin I25158 rev. B 01/94
www.irf.com
Features
Center amplifying gate
Hermetic metal case with ceramic insulator
International standard case TO-209AE (TO-118)
Threaded studs UNF 3/4 - 16UNF2A or ISO M24x1.5
Compression Bonded Encapsulation for heavy duty
operations such as severe thermal cycling
Typical Applications
DC motor controls
Controlled DC power supplies
AC controllers
IT(AV) 300 A
@ TC75 °C
IT(RMS) 470 A
ITSM @ 50Hz 8000 A
@ 60Hz 8380 A
I2t@
50Hz 320 KA2s
@ 60Hz 292 KA2s
VDRM/VRRM 400 to 2000 V
tqtypical 100 µs
TJ- 40 to 125 °C
Parameters ST300S Units
Major Ratings and Characteristics
case style
TO-209AE (TO-118)
ST300S Series
2
Bulletin I25158 rev. B 01/94
www.irf.com
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage VDRM/VRRM, max. repetitive VRSM , maximum non- IDRM/IRRM max.
Type number Code peak and off-state voltage repetitive peak voltage @ TJ = TJ max
VVmA
04 400 500
08 800 900
12 1200 1300
16 1600 1700
18 1800 1900
20 2000 2100
ST300S 50
IT(AV) Max. average on-state current 300 A 180 ° conduction, half sine wave
@ Case temperature 75 °C
IT(RMS) Max. RMS on-state current 470 A DC @ 64°C case temperature
ITSM Max. peak, one-cycle 8000 t = 10ms No voltage
non-repetitive surge current 8380 t = 8.3ms reapplied
6730 t = 10ms 100% VRRM
7040 t = 8.3ms reapplied Sinusoidal half wave,
I2t Maximum I2t for fusing 32 0 t = 10ms No voltage Initial TJ = TJ max.
292 t = 8.3 ms reapplied
22 6 t = 10ms 100% VRRM
20 7 t = 8.3ms reapplied
I2√t Maximum I2√t for fusing 3200 KA2√s t = 0.1 to 10ms, no voltage reapplied
VT(TO)1 Low level value of threshold
voltage
VT(TO)2 High level value of threshold
voltage
rt1Low level value of on-state
slope resistance
rt2High level value of on-state
slope resistance
VTM Max. on-state voltage 1.66 V Ipk= 940A, TJ = TJ max, tp = 10ms sine pulse
IHMaximum holding current 600
ILTypical latching current 1000
0.97 (16.7% x π x IT(AV) < I < π x IT(AV)), T J = TJ max.
0.74 (16.7% x π x IT(AV) < I < π x IT(AV)), TJ = TJ max.
0.73 (I > π x IT(AV)),TJ = TJ max.
Parameter ST300S Units Conditions
0.98 (I > π x I T(AV)),TJ = TJ max.
On-state Conduction
KA2s
mΩ
mA TJ = 2 5 ° C , anode supply 12V resistive load
V
A
ST300S Series
3
Bulletin I25158 rev. B 01/94
www.irf.com
Parameter ST300S Units Conditions
Switching
µs
dv/dt Maximum critical rate of rise of
off-state voltage
IRRM Max. peak reverse and off-state
IDRM leakage current
Blocking
500 V/µs TJ = TJ max. linear to 80% rated VDRM
Parameter ST300S Units Conditions
50 mA TJ = TJ max, rated VDRM/VRRM applied
PGM Maximum peak gate power 10.0 TJ = TJ max, tp ≤ 5ms
PG(AV) Maximum average gate power 2.0 TJ = TJ max, f = 50Hz, d% = 50
IGM Max. peak positive gate current 3.0 A TJ = TJ max, tp ≤ 5ms
+VGM Maximum peak positive
gate voltage
-VGM Maximum peak negative
gate voltage
IGT DC gate current required TJ = - 40°C
to trigger m A TJ = 25°C
TJ = 125°C
VGT DC gate voltage required TJ = - 40°C
to trigger V TJ = 25°C
TJ = 125°C
IGD DC gate current not to trigger 10.0 mA
Parameter ST300S Units Conditions
20
5.0
Triggering
VGD DC gate voltage not to trigger 0.25 V TJ = TJ max
TYP. MAX.
200 -
100 200
50 -
2.5 -
1.8 3
1.1 -
Max. gate current/ voltage not to
trigger is the max. value which
will not trigger any unit with rated
VDRM anode-to-cathode applied
VT
J = TJ max, tp ≤ 5ms
Max. required gate trigger/ cur-
rent/ voltage are the lowest value
which will trigger all units 12V
anode-to-cathode applied
W
di/dt Max. non-repetitive rate of rise Gate drive 20V, 20 Ω, tr ≤ 1µs
of turned-on current TJ = TJ max, anode voltage ≤ 80% VDRM
Gate current 1A, d ig/dt = 1A/µs
Vd = 0.67% VDRM, TJ = 25°C
ITM = 550A, TJ = TJ max, di/dt = 40A/µs, VR = 50V
dv/dt = 20V/µs, Gate 0V 100Ω, tp = 500µs
tdTypical delay time 1.0
tqTypical turn-off time 100
1000 A/µs
ST300S Series
4
Bulletin I25158 rev. B 01/94
www.irf.com
TJMax. operating temperature range -40 to 125
Tstg Max. storage temperature range -40 to 150
RthJC Max. thermal resistance,
junction to case
RthCS Ma x. thermal resistance,
case to heatsink
T Mounting torque, ± 10% 48.5
(425)
wt Approximate weight 535 g
Case style TO - 209AE (TO-118) See Outline Table
Parameter ST300S Units Conditions
0.10 DC operation
0.03 Mounting surface, smooth, flat and greased
°C
Thermal and Mechanical Specification
Non lubricated threads
K/W
Nm
(lbf-in)
∆RthJC Conduction
(The following table shows the increment of thermal resistence RthJC when devices operate at different conduction angles than DC)
180° 0.011 0.008 TJ = TJ max.
120° 0.013 0.014
90° 0.017 0.018 K/W
60° 0.025 0.026
30° 0.041 0.042
Conduction angle Sinusoidal conduction Rectangular conduction Units Conditions
Ordering Information Table
1- Thyristor
2- Essential part number
3-0 = Converter grade
4-S = Compression bonding Stud
5- Voltage code: Code x 100 = VRRM (See Voltage Rating Table)
6- P = Stud base 16UNF threads
M = Stud base metric threads (M24 x 1.5)
7- 0 = Eyelet terminals (Gate and Auxiliary Cathode Leads)
1 = Fast - on terminals (Gate and Auxiliary Cathode Leads)
3 = Threaded top terminal 3/8" 24UNF-2A
8- Critical dv/dt: None = 500V/µsec (Standard value)
L = 1000V/µsec (Special selection)
Device Code
53 4
ST 30 0 S 20 P 0
7 812 6
ST300S Series
5
Bulletin I25158 rev. B 01/94
www.irf.com
Fast-on Terminals
Case Style TO-209AE (TO-118)
All dimensions in millimeters (inches)
Outline Table
Case Style TO-209AE (TO-118)
with top thread terminal 3/8"
All dimensions in millimeters (inches)
RED CATHODE
RED SILICON RUBBER
10.5 (0.41)
245 (9.65) ± 10 (0.39)
WHITE GATE
4.3 (0.17) DIA.
CERAMIC HOUSING
WHITE SHRINK
NOM.
47 (1.85)
MAX.
2 45 ( 9.65 )
38 (1.50)
MAX. DIA.
* FOR METRIC DEVICE: M24 X 1.5 - LENGHT SCREW 21 (0.83) MAX.
22 (0.87) MAX.
MAX.
21 (0.82) MAX .
SW 45
2
FLEXIBLE LEAD
4.5 (0.18) MAX.
C.S. 50mm
(0.078 s.i.)
255 (10. 04)
RED SHRINK
22 (0.86) MIN.
49 (1.92) MAX.
3/4"16 UNF-2A
27. 5 (1 . 0 8 )
9.5 (0.37) MIN.
47 (1.85)
27.5 (1.08) 77.5 (3. 05)
80.5 (3. 17)
38 (1.5)
DIA. MAX.
MAX.
MAX.
MAX.
CERAMIC HOUSING
SW 45
* FOR METRIC DEVICE: M24 x 1.5 - LENGHT SCREW 21 (0.83) MAX.
21 (0.83)
3/4"-16UNF-2A *
25 (0.98)
3/8"-24UNF-2A
17 (0.67) DIA.
AMP. 280000-1
REF-250
ST300S Series
6
Bulletin I25158 rev. B 01/94
www.irf.com
Fig. 3 - On-state Power Loss Characteristics
Fig. 4 - On-state Power Loss Characteristics
25 50 75 100 125
Maximu m A llowable Amb ien t Temp era tu re ( °C)
0.08 K/W
0.2 K/W
0.3 K/W
0.4 K/W
0.6 K/W
1.2 K/W
R = 0.03 K/W - Delta R
thSA
0.12 K/W
0
40
80
120
160
200
240
280
320
360
400
440
480
0 40 80 120 160 200 240 280 320
180°
120°
90°
60°
30°
RMS Lim it
Conduction Angle
M a x imu m Av e ra g e On -sta te P o we r Los s (W)
Average On- state Curren t (A)
ST300S S er ies
T = 12 5°C
J
25 50 75 100 125
M ax imum Allo w a ble Am b ient Tem p era t u re ( °C)
R = 0.03 K/W - Delta R
thSA
0.08 K/W
0.12 K/W
0.2 K/W
0.3 K/W
0.6 K/W
1.2 K/W
0
50
100
150
200
250
300
350
400
450
500
550
600
650
0
100 200 300 400 500
DC
180°
120°
90°
60°
30°
RMS Limit
Cond uct ion P eriod
Maximum Average On -state P ower Loss (W)
Average On-state Current (A)
S T300S Se r ie s
T = 125° C
J
60
70
80
90
100
110
120
130
0 100 200 300 400 500
DC
30°60° 90°120° 180°
Average On-state Current (A)
Ma ximum Al lowable Case Te mp er a tu r e (°C)
Con duct ion Period
ST3 0 0S Ser ies
R (DC) = 0.10 K/W
thJC
70
80
90
100
110
120
130
0 50 100 150 200 250 300 350
Maximum Allowable Case Temperature (°C)
30°60° 90° 120° 180°
A verage On- st ate Current (A)
Con duct ion Angl e
S T300S Ser ies
R (DC) = 0.10 K/W
thJC
Fig. 1 - Current Ratings Characteristics Fig. 2 - Current Ratings Characteristics
ST300S Series
7
Bulletin I25158 rev. B 01/94
www.irf.com
Fig. 7 - On-state Voltage Drop Characteristics
100
1000
10000
0123456789
T = 25°C
J
Instantaneous On-state Current (A)
Instantaneous On-st ate Voltage ( V)
T = 125°C
J
ST300S Serie s
0.001
0.01
0.1
1
0.001 0.01 0.1 1 10
Square Wave Pulse Duration (s)
thJC
S T300S Se r ie s
Transient Thermal Impedanc e Z (K/W)
Steady State Value
R = 0 .10 K/W
(DC Opera tio n)
thJC
Fig. 8 - Thermal Impedance ZthJC Characteristic
Fig. 6 - Maximum Non-Repetitive Surge CurrentFig. 5 - Maximum Non-Repetitive Surge Current
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
110100
Num ber Of Equal Amplit ude Half Cycle Cu r r e nt Pu lse s (N )
Peak Half Sine Wave On-state Current (A)
ST300S Serie s
Init ial T = 125°C
@ 60 Hz 0. 0083 s
@ 50 Hz 0. 0100 s
J
At Any Rated Load Condition And With
Rat ed V Applied Follow ing Surge.
RRM
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
0.01 0.1 1
Pulse Train Duration (s)
Versus Pul se Train Duration. Co nt rol
Peak Half Sine Wav e On-s tat e Curr en t (A)
ST300S Series
In iti a l T = 125 °C
No Voltage Reapplied
Rat ed V Reapplied
J
RRM
Max imum No n Re petit ive Surge C urrent
Of Condu cti o n M a y N o t Be M aint a i ne d .
ST300S Series
8
Bulletin I25158 rev. B 01/94
www.irf.com
Fig. 9 - Gate Characteristics
0.1
1
10
100
0.001 0.01 0.1 1 10 100
VGD IGD
(b)
(a)
Tj=25 °C
Tj=125 °C
Tj=-40 ° C
(2) (3)
Instanta neous Gate Current (A)
Inst a ntan eous Gate Voltage (V)
Re ctangu lar gate pul se
a) Recommended load line for
b ) R e com m en ded loa d lin e for
<=30% rated di/dt : 10V, 10ohms
Frequenc y Limi ted by PG(A V)
rated d i/dt : 20V, 10ohms; tr<=1 µs
tr<=1 µs
D evice : ST300S Ser ie s
(1)
(1) PGM = 10W, tp = 4ms
(2) PGM = 20W, tp = 2ms
(3) PGM = 40W, tp = 1ms
(4) PGM = 60W, tp = 0.66ms
(4)
