SERIES CONNECTED, CENTER TAP, 2 ELEMENTS Silicon Controlled Rectifiers (SCR) 522

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Part RoHS Manufacturer Trigger Device Type Package Style (Meter) Surface Mount Terminal Position Configuration Case Connection Maximum On-state Voltage Package Body Material Maximum DC Gate Trigger Current Non Repetitive Peak On-state Current Terminal Form Package Shape Maximum On-state Current No. of Elements Maximum Leakage Current Repetitive Peak Reverse Voltage Maximum Repetitive Peak Off-state Leakage Current No. of Terminals Sub-Category Maximum Operating Temperature Minimum Operating Temperature Terminal Finish Maximum RMS On-state Current JESD-30 Code Moisture Sensitivity Level (MSL) Maximum DC Gate Trigger Voltage Qualification Repetitive Peak Off-state Voltage Minimum Critical Rate of Rise of Off-state Voltage Maximum Holding Current Additional Features Nominal Circuit Commutated Turn-off Time JEDEC-95 Code JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Reference Standard

TT200F12KEC

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

250 mA

6400 A

UNSPECIFIED

RECTANGULAR

200 A

2

1200 V

7

Silicon Controlled Rectifiers

125 Cel

410 A

R-XUFM-X7

1200 V

TT200F10KSC

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

250 mA

6400 A

UNSPECIFIED

RECTANGULAR

200 A

2

1000 V

7

Silicon Controlled Rectifiers

125 Cel

410 A

R-XUFM-X7

1000 V

DT170N2014KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

UNSPECIFIED

RECTANGULAR

2

1400 V

5

350 A

R-XUFM-X5

1400 V

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

TT305N16KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

PLASTIC/EPOXY

200 mA

UNSPECIFIED

RECTANGULAR

2

1600 V

7

130 Cel

-40 Cel

520 A

R-PUFM-X7

1600 V

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

PR175

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

PLASTIC/EPOXY

60 mA

375 A

SOLDER LUG

RECTANGULAR

12 A

2

10 mA

1200 V

5

Silicon Controlled Rectifiers

125 Cel

-40 Cel

28 A

R-PUFM-D5

2 V

1200 V

100 mA

PR165

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

PLASTIC/EPOXY

60 mA

375 A

SOLDER LUG

RECTANGULAR

12 A

2

10 mA

1200 V

4

Silicon Controlled Rectifiers

125 Cel

-40 Cel

28 A

R-PUFM-D4

2 V

1200 V

100 mA

TT200F11KEL

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

250 mA

6400 A

UNSPECIFIED

RECTANGULAR

200 A

2

1100 V

7

Silicon Controlled Rectifiers

125 Cel

410 A

R-XUFM-X7

1100 V

TT200F12KEM

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

250 mA

6400 A

UNSPECIFIED

RECTANGULAR

200 A

2

1200 V

7

Silicon Controlled Rectifiers

125 Cel

410 A

R-XUFM-X7

1200 V

TT200F13KEL

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

250 mA

6400 A

UNSPECIFIED

RECTANGULAR

200 A

2

1300 V

7

Silicon Controlled Rectifiers

125 Cel

410 A

R-XUFM-X7

1300 V

TT200F08KEC

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

250 mA

6400 A

UNSPECIFIED

RECTANGULAR

200 A

2

800 V

7

Silicon Controlled Rectifiers

125 Cel

410 A

R-XUFM-X7

800 V

TT280N16SOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

150 mA

UNSPECIFIED

RECTANGULAR

2

1600 V

7

130 Cel

-40 Cel

520 A

R-XUFM-X7

1600 V

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TT270N16KOFHOSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

PLASTIC/EPOXY

200 mA

UNSPECIFIED

RECTANGULAR

2

1600 V

7

130 Cel

-40 Cel

450 A

R-PUFM-X7

1600 V

HIGH RELIABILITY

UL RECOGNIZED

TT310N22KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

250 mA

UNSPECIFIED

RECTANGULAR

2

2200 V

7

125 Cel

-40 Cel

700 A

R-XUFM-X7

2200 V

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TT390N16SOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

1.47 V

UNSPECIFIED

150 mA

9500 A

UNSPECIFIED

RECTANGULAR

380 A

2

70 mA

1600 V

7

125 Cel

-40 Cel

520 A

R-XUFM-X7

2 V

1600 V

1000 V/us

150 mA

430 us

NOT SPECIFIED

NOT SPECIFIED

IEC-61140, IEC-747-6, UL RECOGNIZED

TT92N16KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

120 mA

UNSPECIFIED

RECTANGULAR

2

1600 V

7

160 A

R-XUFM-X7

1600 V

NOT SPECIFIED

NOT SPECIFIED

TT142N16KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

150 mA

UNSPECIFIED

RECTANGULAR

2

1600 V

7

230 A

R-XUFM-X7

1600 V

NOT SPECIFIED

NOT SPECIFIED

TT400N26KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UNSPECIFIED

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

250 mA

13000 A

UNSPECIFIED

RECTANGULAR

510 A

2

2600 V

7

Silicon Controlled Rectifiers

125 Cel

-40 Cel

800 A

R-XXFM-X7

2.2 V

Not Qualified

2600 V

300 mA

NOT SPECIFIED

NOT SPECIFIED

TT106N18KOFHOSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

150 mA

UNSPECIFIED

RECTANGULAR

2

1800 V

7

180 A

R-XUFM-X7

Not Qualified

1800 V

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

TT142N14KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

150 mA

UNSPECIFIED

RECTANGULAR

2

1400 V

7

230 A

R-XUFM-X7

1400 V

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

TT330N12KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

9100 A

UNSPECIFIED

RECTANGULAR

330 A

2

1200 V

7

Silicon Controlled Rectifiers

135 Cel

-40 Cel

520 A

R-XUFM-X7

2 V

Not Qualified

1200 V

300 mA

NOT SPECIFIED

NOT SPECIFIED

TT131N14KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

150 mA

3600 A

UNSPECIFIED

RECTANGULAR

140 A

2

25 mA

1400 V

7

Silicon Controlled Rectifiers

125 Cel

-40 Cel

220 A

R-XUFM-X7

1.4 V

Not Qualified

1400 V

200 mA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

TT160N16SOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

145 mA

UNSPECIFIED

RECTANGULAR

2

1600 V

7

125 Cel

-40 Cel

275 A

R-XUFM-X7

1600 V

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TT500N16KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

PLASTIC/EPOXY

250 mA

UNSPECIFIED

RECTANGULAR

2

1600 V

7

125 Cel

-40 Cel

900 A

R-PUFM-X7

1600 V

HIGH RELIABILITY

UL RECOGNIZED

TT106N14KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

150 mA

2000 A

UNSPECIFIED

RECTANGULAR

106 A

2

30 mA

1400 V

7

Silicon Controlled Rectifiers

140 Cel

-40 Cel

180 A

R-XUFM-X7

1.4 V

Not Qualified

1400 V

200 mA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

TT150N26KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

2.6 V

UNSPECIFIED

200 mA

4500 A

UNSPECIFIED

RECTANGULAR

223 A

2

50 mA

2600 V

7

125 Cel

-40 Cel

350 A

R-XUFM-X7

2 V

2600 V

1000 V/us

300 mA

300 us

NOT SPECIFIED

NOT SPECIFIED

TT70N24KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

1400 A

UNSPECIFIED

RECTANGULAR

70 A

2

2400 V

7

Silicon Controlled Rectifiers

125 Cel

150 A

R-XUFM-X7

Not Qualified

2400 V

TT150N24KOFHOSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

UNSPECIFIED

RECTANGULAR

2

2400 V

7

350 A

R-XUFM-X7

Not Qualified

2400 V

NOT SPECIFIED

NOT SPECIFIED

TT210N12KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

PLASTIC/EPOXY

200 mA

UNSPECIFIED

RECTANGULAR

2

1200 V

7

125 Cel

-40 Cel

410 A

R-PUFM-X7

1200 V

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TT210N16KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

PLASTIC/EPOXY

200 mA

UNSPECIFIED

RECTANGULAR

2

1600 V

7

125 Cel

-40 Cel

410 A

R-PUFM-X7

1600 V

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TT570N18KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

1.38 V

PLASTIC/EPOXY

250 mA

20000 A

UNSPECIFIED

RECTANGULAR

566 A

2

120 mA

1800 V

7

125 Cel

-40 Cel

1050 A

R-PUFM-X7

2 V

1800 V

1000 V/us

300 mA

HIGH RELIABILITY

250 us

IEC-61140, IEC-747-6, UL RECOGNIZED

TT150N24KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

2.6 V

UNSPECIFIED

200 mA

4500 A

UNSPECIFIED

RECTANGULAR

223 A

2

50 mA

2400 V

7

Silicon Controlled Rectifiers

125 Cel

-40 Cel

350 A

R-XUFM-X7

2 V

Not Qualified

2400 V

1000 V/us

300 mA

300 us

NOT SPECIFIED

NOT SPECIFIED

TT71F14KFM

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

150 mA

2100 A

UNSPECIFIED

RECTANGULAR

71 A

2

30 mA

1400 V

7

Silicon Controlled Rectifiers

125 Cel

-40 Cel

180 A

R-XUFM-X7

2 V

Not Qualified

1400 V

150 mA

UL RECOGNIZED

TT425N12KOFHPSA2

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

250 mA

UNSPECIFIED

RECTANGULAR

2

1200 V

7

125 Cel

-40 Cel

800 A

R-XUFM-X7

1200 V

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

TT240N38KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UNSPECIFIED

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

250 mA

UNSPECIFIED

RECTANGULAR

2

3800 V

7

125 Cel

-40 Cel

700 A

R-XXFM-X7

3800 V

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TT104N14KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

120 mA

1800 A

UNSPECIFIED

RECTANGULAR

104 A

2

1400 V

7

Silicon Controlled Rectifiers

140 Cel

-40 Cel

160 A

R-XUFM-X7

Not Qualified

1400 V

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

TT150N26KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

UNSPECIFIED

RECTANGULAR

2

2600 V

7

125 Cel

-40 Cel

350 A

R-XUFM-X7

2600 V

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TT210N18KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

5800 A

UNSPECIFIED

RECTANGULAR

210 A

2

50 mA

1800 V

7

Silicon Controlled Rectifiers

125 Cel

-40 Cel

410 A

R-XUFM-X7

1

2 V

Not Qualified

1800 V

300 mA

UL RECOGNIZED

TT140N22KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

150 mA

4000 A

UNSPECIFIED

RECTANGULAR

159 A

2

30 mA

2200 V

7

Silicon Controlled Rectifiers

125 Cel

-40 Cel

250 A

R-XUFM-X7

2 V

Not Qualified

2200 V

200 mA

NOT SPECIFIED

NOT SPECIFIED

TT210N12KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

5800 A

UNSPECIFIED

RECTANGULAR

210 A

2

50 mA

1200 V

7

Silicon Controlled Rectifiers

125 Cel

-40 Cel

410 A

R-XUFM-X7

2 V

Not Qualified

1200 V

1000 V/us

300 mA

250 us

UL RECOGNIZED

TT330N

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

UNSPECIFIED

RECTANGULAR

2

7

135 Cel

-40 Cel

520 A

R-XUFM-X7

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

TT270N16KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

PLASTIC/EPOXY

200 mA

UNSPECIFIED

RECTANGULAR

2

1600 V

7

130 Cel

-40 Cel

450 A

R-PUFM-X7

1600 V

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

TT104N14KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

120 mA

UNSPECIFIED

RECTANGULAR

2

1400 V

7

160 A

R-XUFM-X7

1400 V

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

SP000096765

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

1.4 V

UNSPECIFIED

200 mA

9100 A

UNSPECIFIED

RECTANGULAR

250 A

2

50 mA

1200 V

7

125 Cel

-40 Cel

410 A

R-XUFM-X7

2 V

1200 V

1000 V/us

300 mA

HIGH RELIABILITY

250 us

IEC-747-6; UL RECOGNIZED

TT215N22KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

PLASTIC/EPOXY

200 mA

UNSPECIFIED

RECTANGULAR

2

2200 V

7

125 Cel

-40 Cel

410 A

R-PUFM-X7

2200 V

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TT104N14KOFHOSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

120 mA

UNSPECIFIED

RECTANGULAR

2

1400 V

7

160 A

R-XUFM-X7

Not Qualified

1400 V

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

TT240N28KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UNSPECIFIED

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

250 mA

UNSPECIFIED

RECTANGULAR

2

2800 V

7

700 A

R-XXFM-X7

2800 V

NOT SPECIFIED

NOT SPECIFIED

TT260N22KOFHOSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

PLASTIC/EPOXY

200 mA

UNSPECIFIED

RECTANGULAR

2

2200 V

7

125 Cel

-40 Cel

450 A

R-PUFM-X7

2200 V

HIGH RELIABILITY

UL RECOGNIZED

TT240N16SOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

1.52 V

UNSPECIFIED

145 mA

5200 A

UNSPECIFIED

RECTANGULAR

240 A

2

30 mA

1600 V

7

140 Cel

275 A

R-XUFM-X7

2.5 V

1600 V

1000 V/us

200 mA

370 us

NOT SPECIFIED

NOT SPECIFIED

IEC-61140, IEC-747-6, UL RECOGNIZED

Silicon Controlled Rectifiers (SCR)

Silicon Controlled Rectifiers (SCRs) are semiconductor devices that are used to control the flow of electrical current in high-power applications. They are also known as thyristors, which are a family of devices that includes SCRs, triacs, and diacs.

SCRs consist of four layers of alternating p-type and n-type semiconductor material, forming three p-n junctions. The device has three terminals: the anode (A), the cathode (K), and the gate (G). The SCR is designed to conduct current only in one direction, from the anode to the cathode.

SCRs work by applying a positive voltage to the anode, which causes current to flow into the device. The gate terminal is used to control the flow of current by applying a small voltage pulse to trigger the device. Once triggered, the SCR conducts current until the voltage across the device drops below a certain level, at which point it turns off.

SCRs are commonly used in high-power applications such as motor control, lighting control, and power supplies. They are often used in conjunction with other components such as capacitors, inductors, and diodes to form complete electronic circuits.

Proper selection and use of SCRs are critical to ensure safe and reliable operation of power control circuits. Factors such as the maximum voltage rating, maximum current rating, and operating temperature range should be considered when selecting an SCR for a particular application.