Vishay 181RKI SERIES Data Sheet
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DISCRETE POWER DIODES and THYRISTORS
DATA BOOK
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181RKI SERIES
PHASE CONTROL THYRISTORS |
Stud Version |
Features |
180A |
Hermetic glass-metal seal
dv/dt = 1000V/µs 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
Major Ratings and Characteristics |
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Parameters |
181RKI |
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Units |
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IT(AV) |
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180 |
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A |
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@ TC |
80 |
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°C |
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IT(RMS) |
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285 |
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A |
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ITSM |
@ 50Hz |
3800 |
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A |
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@ 60Hz |
4000 |
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A |
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I2t |
@ 50Hz |
72 |
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KA2s |
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@ 60Hz |
66 |
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KA2s |
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VDRM/VRRM |
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400 to 1000 |
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V |
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tq |
typical |
100 |
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µs |
case style |
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TO-209AB (TO-93) |
TJ |
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- 40 to 125 |
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°C |
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ELECTRICAL SPECIFICATIONS |
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Voltage Ratings |
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Voltage |
VDRM/VRRM, max. repetitive |
VRSM , maximum non- |
IDRM/IRRM max. |
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Type number |
Code |
peak and off-state voltage |
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repetitive peak voltage |
@ TJ = TJ max. |
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V |
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V |
mA |
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40 |
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400 |
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500 |
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181RKI |
80 |
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800 |
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900 |
30 |
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100 |
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1000 |
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1100 |
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On-state Conduction |
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Parameter |
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181RKI |
Units |
Conditions |
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IT(AV) |
Max. average on-state current |
180 |
A |
180° conduction, half sine wave |
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@ Case temperature |
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80 |
°C |
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IT(RMS) |
Max. RMS on-state current |
285 |
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DC @ 79°C case temperature |
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ITSM |
Max. peak, one-cycle |
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3800 |
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t = 10ms |
No voltage |
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non-repetitive surge current |
4000 |
A |
t = 8.3ms |
reapplied |
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3500 |
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t = 10ms |
100% VRRM |
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3660 |
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t = 8.3ms |
reapplied |
Sinusoidal half wave, |
I2t |
Maximum I2t for fusing |
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72 |
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t = 10ms |
No voltage |
Initial TJ = TJ max. |
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66 |
KA2s |
t = 8.3ms |
reapplied |
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61 |
t = 10ms |
100% VRRM |
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56 |
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t = 8.3ms |
reapplied |
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I2Öt |
Maximum I2Öt for fusing |
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720 |
KA2Ös |
t = 0.1 to 10ms, no voltage reapplied |
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VT(TO)1 |
Low level value of threshold |
0.83 |
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(16.7% x p x IT(AV) < I < p x IT(AV)), TJ = TJ max. |
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voltage |
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V |
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VT(TO)2 |
High level value of threshold |
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0.89 |
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(I > p x IT(AV)),TJ = TJ max. |
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voltage |
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rt1 |
Low level value of on-state |
0.92 |
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(16.7% x p x IT(AV) < I < p x IT(AV)), TJ = TJ max. |
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slope resistance |
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mW |
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rt2 |
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High level value of on-state |
0.81 |
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(I > p x IT(AV)),TJ = TJ max. |
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slope resistance |
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VTM |
Max. on-state voltage |
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1.35 |
V |
Ipk= 570A, TJ = TJ max, tp = 10ms sine pulse |
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IH |
Maximum holding current |
600 |
mA |
TJ = 25°C, anode supply 12V resistive load |
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IL |
Typical latching current |
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1000 |
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Switching |
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Parameter |
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181RKI |
Units |
Conditions |
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di/dt |
Max. non-repetitive rate of rise |
300 |
A/µs |
Gate drive 20V, 20W, tr £1µs |
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of turned-on current |
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TJ = TJ max, anode voltage £ 80% VDRM |
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td |
Typical delay time |
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1.0 |
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Gate current 1A, dig/dt = 1A/µs |
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µs |
Vd = 0.67% VDRM, TJ = 25°C |
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ITM = 50A, TJ = TJ max, di/dt = 10A/µs, V R = 100V |
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tq |
Typical turn-off time |
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100 |
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dv/dt = 20V/µs |
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