SINGLE 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

CS30-16IO1

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

65 mA

330 A

THROUGH-HOLE

RECTANGULAR

31 A

1

5 mA

1600 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

49 A

R-PSFM-T3

2.5 V

Not Qualified

1600 V

1000 V/us

100 mA

TO-247AD

NOT SPECIFIED

NOT SPECIFIED

S0308R

Loras Industries

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

THROUGH-HOLE

RECTANGULAR

8 A

1

.2 mA

10 uA

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

TIN LEAD

8 A

R-PSFM-T3

1.5 V

Not Qualified

30 V

125 V/us

30 mA

TO-220AB

e0

S4065KTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

950 A

THROUGH-HOLE

RECTANGULAR

41 A

1

3 mA

400 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

65 A

R-PSFM-T3

2 V

Not Qualified

400 V

550 V/us

80 mA

TO-218AC

e3

40

260

UL RECOGNIZED

S8010L

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

15 mA

100 A

THROUGH-HOLE

RECTANGULAR

10 A

1

1 mA

800 V

3

Silicon Controlled Rectifiers

100 Cel

-40 Cel

Matte Tin (Sn)

10 A

R-PSFM-T3

2

1.5 V

Not Qualified

800 V

20 V/us

20 mA

TO-220AB

e3

40

260

UL RECOGNIZED

S8010LTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

15 mA

100 A

THROUGH-HOLE

RECTANGULAR

6.4 A

1

.5 mA

800 V

3

Silicon Controlled Rectifiers

100 Cel

-40 Cel

MATTE TIN

10 A

R-PSFM-T3

1.5 V

Not Qualified

800 V

200 V/us

30 mA

TO-220AB

e3

40

260

UL RECOGNIZED

TYN1012TRG

STMicroelectronics

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

146 A

THROUGH-HOLE

RECTANGULAR

8 A

1

2 mA

1000 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

12 A

R-PSFM-T3

1.3 V

Not Qualified

1000 V

40 V/us

15 mA

TO-220AB

e3

VS-16TTS12-M3

Vishay Intertechnology

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

PLASTIC/EPOXY

60 mA

200 A

THROUGH-HOLE

RECTANGULAR

10 A

1

10 mA

1200 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

16 A

R-PSFM-T3

3 V

1200 V

500 V/us

100 mA

110 us

TO-220AB

e3

16TTS08STRRPBF

Vishay Intertechnology

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

60 mA

170 A

GULL WING

RECTANGULAR

10 A

1

10 mA

800 V

2

Silicon Controlled Rectifiers

125 Cel

-40 Cel

TIN

16 A

R-PSSO-G2

1

3 V

Not Qualified

800 V

500 V/us

100 mA

110 us

TO-220AC

e3

40TPS12PBF

Vishay Intertechnology

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

PLASTIC/EPOXY

150 mA

600 A

THROUGH-HOLE

RECTANGULAR

35 A

1

10 mA

1200 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

55 A

R-PSFM-T3

4 V

Not Qualified

1200 V

1000 V/us

150 mA

TO-247AC

NOT SPECIFIED

NOT SPECIFIED

BTW68-1200RG

STMicroelectronics

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

420 A

THROUGH-HOLE

RECTANGULAR

25 A

1

3 mA

1200 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

30 A

R-PSFM-T3

3 V

Not Qualified

1200 V

500 V/us

75 mA

100 us

e3

UL RECOGNIZED

BTW68-800RG

STMicroelectronics

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

420 A

THROUGH-HOLE

RECTANGULAR

16 A

1

3 mA

800 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

30 A

R-PSFM-T3

1

3 V

Not Qualified

800 V

500 V/us

75 mA

100 us

UL RECOGNIZED

MCR25DG

Onsemi

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

30 mA

300 A

THROUGH-HOLE

RECTANGULAR

25 A

1

2 mA

400 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

TIN

25 A

R-PSFM-T3

1 V

Not Qualified

400 V

100 V/us

40 mA

TO-220AB

e3

260

S4008R

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

THROUGH-HOLE

RECTANGULAR

8 A

1

.2 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

Matte Tin (Sn)

8 A

R-PSFM-T3

1.5 V

Not Qualified

400 V

125 V/us

30 mA

TO-220AB

e3

40

260

UL RECOGNIZED

S4008RS2

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

100 A

THROUGH-HOLE

RECTANGULAR

5.1 A

1

.25 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

Matte Tin (Sn)

8 A

R-PSFM-T3

.8 V

400 V

6 mA

50 us

TO-220AB

e3

40

260

UL RECOGNIZED

S4008RS2TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

100 A

THROUGH-HOLE

RECTANGULAR

5.1 A

1

.25 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

Matte Tin (Sn)

8 A

R-PSFM-T3

.8 V

400 V

6 mA

TO-220AB

e3

40

260

UL RECOGNIZED

S4008RS3

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

100 A

THROUGH-HOLE

RECTANGULAR

5.1 A

1

.25 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

Matte Tin (Sn)

8 A

R-PSFM-T3

.8 V

400 V

8 mA

45 us

TO-220AB

e3

40

260

UL RECOGNIZED

S4008RS3TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

100 A

THROUGH-HOLE

RECTANGULAR

5.1 A

1

.25 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

Matte Tin (Sn)

8 A

R-PSFM-T3

.8 V

400 V

8 mA

TO-220AB

e3

40

260

UL RECOGNIZED

S4008RTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

THROUGH-HOLE

RECTANGULAR

5.1 A

1

.5 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSFM-T3

1.5 V

400 V

250 V/us

30 mA

TO-220AB

e3

40

260

UL RECOGNIZED

S4025LTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

35 mA

350 A

THROUGH-HOLE

RECTANGULAR

16 A

1

1 mA

400 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

25 A

R-PSFM-T3

1.5 V

Not Qualified

400 V

350 V/us

50 mA

TO-220AB

e3

40

260

UL RECOGNIZED

S6020L

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

30 mA

225 A

THROUGH-HOLE

RECTANGULAR

20 A

1

2 mA

600 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

Matte Tin (Sn)

20 A

R-PSFM-T3

2

2 V

Not Qualified

600 V

150 V/us

40 mA

TO-220AB

e3

10

260

UL RECOGNIZED

S6025LTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

35 mA

350 A

THROUGH-HOLE

RECTANGULAR

16 A

1

1 mA

600 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

25 A

R-PSFM-T3

1.5 V

Not Qualified

600 V

325 V/us

50 mA

TO-220AB

e3

40

260

UL RECOGNIZED

S8006LTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

15 mA

THROUGH-HOLE

RECTANGULAR

6 A

1

.5 mA

800 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

Matte Tin (Sn)

6 A

R-PSFM-T3

1.5 V

Not Qualified

800 V

200 V/us

30 mA

TO-220AB

e3

40

260

UL RECOGNIZED

TS820-600T

STMicroelectronics

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

73 A

THROUGH-HOLE

RECTANGULAR

5 A

1

600 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

8 A

R-PSFM-T3

.8 V

Not Qualified

600 V

5 V/us

5 mA

SENSITIVE GATE

TO-220AB

e3

TYN612MFP

STMicroelectronics

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

5 mA

125 A

THROUGH-HOLE

RECTANGULAR

8 A

1

2 mA

600 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

12 A

R-PSFM-T3

1.3 V

Not Qualified

600 V

50 V/us

20 mA

TO-220AB

e3

VS-25TTS12S-M3

Vishay Intertechnology

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

45 mA

GULL WING

RECTANGULAR

1

1200 V

2

125 Cel

-40 Cel

25 A

R-PSSO-G2

1

1200 V

TO-263AB

VS-25TTS12STRL-M3

Vishay Intertechnology

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

45 mA

GULL WING

RECTANGULAR

1

1200 V

2

125 Cel

-40 Cel

25 A

R-PSSO-G2

1

1200 V

TO-263AB

VS-40TPS08A-M3

Vishay Intertechnology

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

PLASTIC/EPOXY

150 mA

600 A

THROUGH-HOLE

RECTANGULAR

35 A

1

10 mA

800 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

55 A

R-PSFM-T3

4 V

800 V

500 V/us

150 mA

TO-247AC

e3

CS20-22MOF1

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

250 mA

200 A

THROUGH-HOLE

RECTANGULAR

18 A

1

.05 mA

2200 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

TIN SILVER COPPER

28.26 A

R-PSIP-T3

2.3 V

Not Qualified

2200 V

2500 V/us

150 mA

HIGH RELIABILITY

e1

NOT SPECIFIED

NOT SPECIFIED

S6015LTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

30 mA

225 A

THROUGH-HOLE

RECTANGULAR

1

600 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

15 A

R-PSFM-T3

1.5 V

Not Qualified

600 V

325 V/us

40 mA

TO-220AB

e3

40

260

UL RECOGNIZED

S8040NRP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

40 mA

520 A

GULL WING

RECTANGULAR

25 A

1

3 mA

800 V

2

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

40 A

R-PSSO-G2

1.5 V

Not Qualified

800 V

475 V/us

60 mA

TO-263AB

e3

40

260

TN1625-1000G-TR

STMicroelectronics

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

25 mA

190 A

GULL WING

RECTANGULAR

10 A

1

2 mA

1000 V

2

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

16 A

R-PSSO-G2

1.3 V

Not Qualified

1000 V

500 V/us

40 mA

e3

TN2540-600G-TR

STMicroelectronics

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

40 mA

314 A

GULL WING

RECTANGULAR

16 A

1

4 mA

600 V

5 uA

2

Silicon Controlled Rectifiers

125 Cel

-40 Cel

Matte Tin (Sn) - annealed

25 A

R-PSSO-G2

1

1.3 V

Not Qualified

600 V

500 V/us

50 mA

e3

30

245

UL RECOGNIZED

TYN1012RG

STMicroelectronics

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

146 A

THROUGH-HOLE

RECTANGULAR

8 A

1

2 mA

1000 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

12 A

R-PSFM-T3

1.3 V

Not Qualified

1000 V

200 V/us

30 mA

TO-220AB

e3

VS-16TTS12S-M3

Vishay Intertechnology

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

60 mA

GULL WING

RECTANGULAR

1

1200 V

2

125 Cel

-40 Cel

Matte Tin (Sn)

16 A

R-PSSO-G2

1

1200 V

TO-263AB

e3

30

245

TYN640RG

STMicroelectronics

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

35 mA

480 A

THROUGH-HOLE

RECTANGULAR

40 A

1

4 mA

600 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

40 A

R-PSFM-T3

1.3 V

Not Qualified

600 V

1000 V/us

75 mA

TO-220AB

e3

2N6404G

Onsemi

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

30 mA

250 A

THROUGH-HOLE

RECTANGULAR

16 A

1

2 mA

600 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

TIN

16 A

R-PSFM-T3

1.5 V

Not Qualified

600 V

80 mA

35 us

TO-220AB

e3

260

MCR106-6G

Onsemi

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

25 A

THROUGH-HOLE

RECTANGULAR

4 A

1

.2 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

TIN

4 A

R-PSFM-T3

1 V

Not Qualified

400 V

10 V/us

5 mA

TO-225AA

e3

260

CS60-16IO1

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

100 mA

1500 A

THROUGH-HOLE

RECTANGULAR

48 A

1

10 mA

1600 V

3

Silicon Controlled Rectifiers

140 Cel

-40 Cel

TIN SILVER COPPER

75 A

R-PSIP-T3

1.6 V

Not Qualified

1600 V

200 mA

e1

IEC-60747

S6065KTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

950 A

THROUGH-HOLE

RECTANGULAR

41 A

1

3 mA

600 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

65 A

R-PSFM-T3

2 V

Not Qualified

600 V

500 V/us

80 mA

TO-218AC

e3

40

260

UL RECOGNIZED

SV6050NA2RP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

MAIN TERMINAL 2

1.6 V

PLASTIC/EPOXY

15 mA

550 A

GULL WING

RECTANGULAR

31.5 A

1

600 V

5000 uA

2

150 Cel

-40 Cel

50 A

R-PSSO-G2

1.3 V

600 V

1000 V/us

50 mA

TO-263AB

AEC-Q101, MIL-STD-750, UL RECOGNIZED

SV6050NA2TP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

MAIN TERMINAL 2

1.6 V

PLASTIC/EPOXY

15 mA

550 A

GULL WING

RECTANGULAR

31.5 A

1

600 V

5000 uA

2

150 Cel

-40 Cel

50 A

R-PSSO-G2

1.3 V

600 V

1000 V/us

50 mA

TO-263AB

AEC-Q101, MIL-STD-750, UL RECOGNIZED

TYN612RG

STMicroelectronics

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

146 A

THROUGH-HOLE

RECTANGULAR

8 A

1

2 mA

600 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

12 A

R-PSFM-T3

1.3 V

Not Qualified

600 V

200 V/us

30 mA

TO-220AB

e3

C106D

Onsemi

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

20 A

THROUGH-HOLE

RECTANGULAR

4 A

1

.1 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

TIN LEAD

4 A

R-PSFM-T3

.8 V

Not Qualified

400 V

8 V/us

3 mA

SENSITIVE GATE

40 us

TO-225AA

e0

235

MCR716T4G

Onsemi

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.075 mA

25 A

GULL WING

RECTANGULAR

4 A

1

400 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

TIN

4 A

R-PSSO-G2

1

1 V

Not Qualified

400 V

5 V/us

10 mA

2 us

e3

30

260

2N6397

Onsemi

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

30 mA

100 A

THROUGH-HOLE

RECTANGULAR

5 A

1

2 mA

400 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

TIN LEAD

12 A

R-PSFM-T3

2.5 V

Not Qualified

400 V

60 mA

TO-220AB

e0

235

BT151-500C

NXP Semiconductors

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

110 A

THROUGH-HOLE

RECTANGULAR

7.5 A

1

.5 mA

500 V

3

Silicon Controlled Rectifiers

125 Cel

TIN

12 A

R-PSFM-T3

1.5 V

Not Qualified

500 V

50 V/us

20 mA

70 us

TO-220AB

e3

SV6050RA2TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

1.6 V

PLASTIC/EPOXY

15 mA

550 A

THROUGH-HOLE

RECTANGULAR

31.5 A

1

600 V

5000 uA

3

150 Cel

-40 Cel

50 A

R-PSFM-T3

1.3 V

600 V

1000 V/us

50 mA

TO-220AB

AEC-Q101, MIL-STD-750, UL RECOGNIZED

C106M1G

Onsemi

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

20 A

THROUGH-HOLE

RECTANGULAR

2.55 A

1

.1 mA

600 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

TIN

4 A

R-PSFM-T3

1 V

Not Qualified

600 V

6 mA

EUROPEAN PART NUMBER

TO-225AA

e3

260

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.