FLANGE MOUNT Silicon Controlled Rectifiers (SCR) 2,400+

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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

TT251N14KOF-AK34

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

1400 V

7

125 Cel

-40 Cel

410 A

R-XUFM-X7

2 V

1400 V

1000 V/us

300 mA

HIGH RELIABILITY

250 us

IEC-747-6; UL RECOGNIZED

TD162N14KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

UNSPECIFIED

RECTANGULAR

1

1400 V

5

260 A

R-XUFM-X5

1400 V

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

TT122N22KOC-A

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

COMMON ANODE, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

2900 A

UNSPECIFIED

RECTANGULAR

122 A

2

2200 V

7

Silicon Controlled Rectifiers

125 Cel

220 A

R-XUFM-X7

Not Qualified

2200 V

500 V/us

300 us

TD162N14KOFHOSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

UNSPECIFIED

RECTANGULAR

1

1400 V

5

260 A

R-XUFM-X5

Not Qualified

1400 V

UL RECOGNIZED

TT251N14KOFHOSA1

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

1400 V

7

125 Cel

-40 Cel

410 A

R-XUFM-X7

2 V

Not Qualified

1400 V

1000 V/us

300 mA

HIGH RELIABILITY

250 us

IEC-747-6; UL RECOGNIZED

TT250N14KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

7000 A

UNSPECIFIED

RECTANGULAR

250 A

2

50 mA

1400 V

7

Silicon Controlled Rectifiers

125 Cel

-40 Cel

410 A

R-XUFM-X7

1

2 V

Not Qualified

1400 V

300 mA

UL RECOGNIZED

TT122N18KOFHOSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

UNSPECIFIED

RECTANGULAR

2

1800 V

7

220 A

R-XUFM-X7

Not Qualified

1800 V

TT250N18KOF-K

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

COMMON CATHODE, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

7000 A

UNSPECIFIED

RECTANGULAR

250 A

2

50 mA

1800 V

7

Silicon Controlled Rectifiers

125 Cel

-40 Cel

410 A

R-XUFM-X7

2 V

Not Qualified

1800 V

1000 V/us

250 us

UL RECOGNIZED

TT250N12KOF-K

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

COMMON CATHODE, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

7000 A

UNSPECIFIED

RECTANGULAR

250 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

TT320N16SOFTIMHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

1.47 V

UNSPECIFIED

150 mA

9500 A

UNSPECIFIED

RECTANGULAR

320 A

2

60 mA

1600 V

7

130 Cel

-40 Cel

520 A

R-XUFM-X7

2 V

1600 V

1000 V/us

150 mA

200 us

NOT SPECIFIED

NOT SPECIFIED

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

TT320N18SOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

1.47 V

UNSPECIFIED

150 mA

9500 A

UNSPECIFIED

RECTANGULAR

320 A

2

60 mA

1800 V

7

130 Cel

-40 Cel

520 A

R-XUFM-X7

2 V

1800 V

1000 V/us

150 mA

200 us

NOT SPECIFIED

NOT SPECIFIED

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

TT122N18KOC-A

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

COMMON ANODE, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

2900 A

UNSPECIFIED

RECTANGULAR

122 A

2

1800 V

7

Silicon Controlled Rectifiers

125 Cel

220 A

R-XUFM-X7

Not Qualified

1800 V

500 V/us

300 us

TT122N22KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

UNSPECIFIED

RECTANGULAR

2

2200 V

7

220 A

R-XUFM-X7

2200 V

NOT SPECIFIED

NOT SPECIFIED

TD330N16KOFHOSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

200 mA

UNSPECIFIED

RECTANGULAR

1

1600 V

5

520 A

R-XUFM-X5

Not Qualified

1600 V

NOT SPECIFIED

NOT SPECIFIED

TT122N24KOF-A

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

COMMON ANODE, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

2900 A

UNSPECIFIED

RECTANGULAR

122 A

2

2400 V

7

Silicon Controlled Rectifiers

125 Cel

220 A

R-XUFM-X7

Not Qualified

2400 V

TT122N22KOFHOSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

UNSPECIFIED

RECTANGULAR

2

2200 V

7

220 A

R-XUFM-X7

Not Qualified

2200 V

NOT SPECIFIED

NOT SPECIFIED

TT250N16KOF_TIM

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

1.4 V

PLASTIC/EPOXY

200 mA

9100 A

UNSPECIFIED

RECTANGULAR

250 A

2

50 mA

1600 V

7

125 Cel

-40 Cel

410 A

R-PUFM-X7

2 V

1600 V

1000 V/us

300 mA

HIGH RELIABILITY

250 us

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

TT122N24KOC-A

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

COMMON ANODE, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

2900 A

UNSPECIFIED

RECTANGULAR

122 A

2

2400 V

7

Silicon Controlled Rectifiers

125 Cel

220 A

R-XUFM-X7

Not Qualified

2400 V

TT122N22KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

3300 A

UNSPECIFIED

RECTANGULAR

140 A

2

30 mA

2200 V

7

Silicon Controlled Rectifiers

125 Cel

-40 Cel

220 A

R-XUFM-X7

2 V

Not Qualified

2200 V

300 mA

NOT SPECIFIED

NOT SPECIFIED

TD330N12KOC

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

200 mA

9100 A

UNSPECIFIED

RECTANGULAR

330 A

1

70 mA

1200 V

5

Silicon Controlled Rectifiers

135 Cel

-40 Cel

MATTE TIN

520 A

R-XUFM-X5

2 V

Not Qualified

1200 V

300 mA

e3

TD330N14KOFHOSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

200 mA

UNSPECIFIED

RECTANGULAR

1

1400 V

5

MATTE TIN

520 A

R-XUFM-X5

Not Qualified

1400 V

e3

TD162N16KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

UNSPECIFIED

RECTANGULAR

1

1600 V

5

260 A

R-XUFM-X5

1600 V

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

TD330N16AOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

200 mA

UNSPECIFIED

RECTANGULAR

1

1600 V

5

130 Cel

475 A

R-XUFM-X5

1600 V

TT251N16KOFHPSA1

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

1600 V

7

125 Cel

-40 Cel

410 A

R-XUFM-X7

2 V

1600 V

1000 V/us

300 mA

HIGH RELIABILITY

250 us

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TT320N16SOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

1.47 V

UNSPECIFIED

150 mA

9500 A

UNSPECIFIED

RECTANGULAR

320 A

2

60 mA

1600 V

7

130 Cel

-40 Cel

520 A

R-XUFM-X7

2 V

1600 V

1000 V/us

150 mA

200 us

NOT SPECIFIED

NOT SPECIFIED

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

TD330N12KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

200 mA

9100 A

UNSPECIFIED

RECTANGULAR

330 A

1

70 mA

1200 V

5

Silicon Controlled Rectifiers

135 Cel

-40 Cel

520 A

R-XUFM-X5

2 V

Not Qualified

1200 V

300 mA

NOT SPECIFIED

NOT SPECIFIED

TT122N22KOF-A

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

COMMON ANODE, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

2900 A

UNSPECIFIED

RECTANGULAR

122 A

2

2200 V

7

Silicon Controlled Rectifiers

125 Cel

220 A

R-XUFM-X7

Not Qualified

2200 V

1000 V/us

300 us

TD330N16AOFHOSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

200 mA

UNSPECIFIED

RECTANGULAR

1

1600 V

5

130 Cel

475 A

R-XUFM-X5

1600 V

NOT SPECIFIED

NOT SPECIFIED

TT251N18KOFHPSA1

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

1800 V

7

125 Cel

-40 Cel

410 A

R-XUFM-X7

2 V

1800 V

1000 V/us

300 mA

HIGH RELIABILITY

250 us

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TD330N14KOC

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

200 mA

9100 A

UNSPECIFIED

RECTANGULAR

330 A

1

70 mA

1400 V

5

Silicon Controlled Rectifiers

135 Cel

-40 Cel

MATTE TIN

520 A

R-XUFM-X5

2 V

Not Qualified

1400 V

300 mA

e3

TT250N12KOFHPSA1

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

UL RECOGNIZED

TT251N16KOF

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

1600 V

7

Silicon Controlled Rectifiers

125 Cel

-40 Cel

410 A

R-XUFM-X7

1

2 V

1600 V

1000 V/us

300 mA

HIGH RELIABILITY

250 us

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TT250N12KOF

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

1

1200 V

HIGH RELIABILITY

UL RECOGNIZED

TT250N16KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

7000 A

UNSPECIFIED

RECTANGULAR

250 A

2

50 mA

1600 V

7

Silicon Controlled Rectifiers

125 Cel

-40 Cel

410 A

R-XUFM-X7

2 V

Not Qualified

1600 V

1000 V/us

300 mA

250 us

UL RECOGNIZED

TD162N16KOFHOSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

UNSPECIFIED

RECTANGULAR

1

1600 V

5

260 A

R-XUFM-X5

Not Qualified

1600 V

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

TT320N16SOFTIM

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

1.47 V

UNSPECIFIED

150 mA

9500 A

UNSPECIFIED

RECTANGULAR

320 A

2

60 mA

1600 V

7

130 Cel

-40 Cel

520 A

R-XUFM-X7

2 V

1600 V

1000 V/us

150 mA

200 us

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

TT250N16KOFHPSA1

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

TD160N18SOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

145 mA

UNSPECIFIED

RECTANGULAR

1

1800 V

5

125 Cel

-40 Cel

275 A

R-XUFM-X5

1800 V

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TD240N36KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UNSPECIFIED

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

250 mA

UNSPECIFIED

RECTANGULAR

1

3600 V

5

125 Cel

-40 Cel

700 A

R-XXFM-X5

3600 V

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TD240N16SOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

1.52 V

UNSPECIFIED

145 mA

5200 A

UNSPECIFIED

RECTANGULAR

240 A

2

30 mA

1600 V

5

140 Cel

275 A

R-XUFM-X5

2.5 V

1600 V

1000 V/us

200 mA

370 us

NOT SPECIFIED

NOT SPECIFIED

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

TT250N14KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

200 mA

UNSPECIFIED

RECTANGULAR

2

1400 V

7

410 A

R-XUFM-X7

1400 V

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

TT250N12KOFKHPSA1

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

UL RECOGNIZED

TD160N16SOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

1.82 V

UNSPECIFIED

145 mA

4500 A

UNSPECIFIED

RECTANGULAR

.00016 A

1

30 mA

1600 V

5

125 Cel

-40 Cel

275 A

R-XUFM-X5

2.5 V

1600 V

1000 V/us

200 mA

320 us

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TD330N16KOF

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

200 mA

9100 A

UNSPECIFIED

RECTANGULAR

330 A

1

70 mA

1600 V

5

Silicon Controlled Rectifiers

135 Cel

-40 Cel

520 A

R-XUFM-X5

2 V

Not Qualified

1600 V

300 mA

NOT SPECIFIED

NOT SPECIFIED

TT121N18KOFHOSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

150 mA

UNSPECIFIED

RECTANGULAR

2

1800 V

7

200 A

R-XUFM-X7

Not Qualified

1800 V

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

TT251N14KOFHPSA1

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

1400 V

7

125 Cel

-40 Cel

410 A

R-XUFM-X7

2 V

1400 V

1000 V/us

300 mA

HIGH RELIABILITY

250 us

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TT251N12KOF

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

Silicon Controlled Rectifiers

125 Cel

-40 Cel

410 A

R-XUFM-X7

1

2 V

1200 V

1000 V/us

300 mA

HIGH RELIABILITY

250 us

IEC-747-6; UL RECOGNIZED

TT251N14KOF

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

1400 V

7

125 Cel

-40 Cel

410 A

R-XUFM-X7

1

2 V

Not Qualified

1400 V

1000 V/us

300 mA

HIGH RELIABILITY

250 us

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.