ANODE Silicon Controlled Rectifiers (SCR) 302

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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

S4008DRP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

GULL WING

RECTANGULAR

5.1 A

1

.5 mA

400 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSSO-G2

1.5 V

400 V

250 V/us

30 mA

TO-252AA

e3

40

260

UL RECOGNIZED

S4008DS2TP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

100 A

GULL WING

RECTANGULAR

5.1 A

1

.25 mA

400 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSSO-G2

.8 V

400 V

6 mA

TO-252AA

e3

40

260

UL RECOGNIZED

S4008DS3RP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

100 A

GULL WING

RECTANGULAR

5.1 A

1

.25 mA

400 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSSO-G2

.8 V

400 V

8 mA

TO-252AA

e3

40

260

UL RECOGNIZED

S4008DS3TP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

100 A

GULL WING

RECTANGULAR

5.1 A

1

.25 mA

400 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSSO-G2

.8 V

400 V

8 mA

TO-252AA

e3

40

260

UL RECOGNIZED

S4008DTP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

GULL WING

RECTANGULAR

5.1 A

1

.5 mA

400 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSSO-G2

1.5 V

400 V

250 V/us

30 mA

TO-252AA

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

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

S4008VS2TP

Littelfuse

SCR

IN-LINE

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

8 A

R-PSIP-T3

.8 V

400 V

6 mA

TO-251AA

e3

40

260

UL RECOGNIZED

S4008VTP

Littelfuse

SCR

IN-LINE

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-PSIP-T3

1.5 V

400 V

250 V/us

30 mA

TO-251AA

e3

40

260

UL RECOGNIZED

S6008DRP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

GULL WING

RECTANGULAR

5.1 A

1

.5 mA

600 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSSO-G2

1.5 V

600 V

225 V/us

30 mA

TO-252AA

e3

40

260

UL RECOGNIZED

S6008DS2TP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

100 A

GULL WING

RECTANGULAR

5.1 A

1

.25 mA

600 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSSO-G2

.8 V

600 V

6 mA

TO-252AA

e3

40

260

UL RECOGNIZED

S6008DS3RP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

100 A

GULL WING

RECTANGULAR

5.1 A

1

.25 mA

600 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSSO-G2

.8 V

600 V

8 mA

TO-252AA

e3

40

260

UL RECOGNIZED

S6008DS3TP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

100 A

GULL WING

RECTANGULAR

5.1 A

1

.25 mA

600 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSSO-G2

.8 V

600 V

8 mA

TO-252AA

e3

40

260

UL RECOGNIZED

S6008DTP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

GULL WING

RECTANGULAR

5.1 A

1

.5 mA

600 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSSO-G2

1.5 V

600 V

225 V/us

30 mA

TO-252AA

e3

40

260

UL RECOGNIZED

S6008RS2TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

100 A

THROUGH-HOLE

RECTANGULAR

5.1 A

1

.25 mA

600 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

Matte Tin (Sn)

8 A

R-PSFM-T3

.8 V

600 V

6 mA

TO-220AB

e3

40

260

UL RECOGNIZED

S6008RS3TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

100 A

THROUGH-HOLE

RECTANGULAR

5.1 A

1

.25 mA

600 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSFM-T3

.8 V

600 V

8 mA

TO-220AB

e3

40

260

UL RECOGNIZED

S6008RS3

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

100 A

THROUGH-HOLE

RECTANGULAR

5.1 A

1

.25 mA

600 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

Matte Tin (Sn)

8 A

R-PSFM-T3

.8 V

600 V

8 mA

45 us

TO-220AB

e3

40

260

UL RECOGNIZED

S6008VS2TP

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

100 A

THROUGH-HOLE

RECTANGULAR

5.1 A

1

.25 mA

600 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSIP-T3

.8 V

600 V

6 mA

TO-251AA

e3

40

260

UL RECOGNIZED

S6008VS3TP

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

100 A

THROUGH-HOLE

RECTANGULAR

5.1 A

1

.25 mA

600 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSIP-T3

.8 V

600 V

8 mA

TO-251AA

e3

40

260

UL RECOGNIZED

S6008VTP

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

THROUGH-HOLE

RECTANGULAR

5.1 A

1

.5 mA

600 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSIP-T3

1.5 V

600 V

225 V/us

30 mA

TO-251AA

e3

40

260

UL RECOGNIZED

S8008DTP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

GULL WING

RECTANGULAR

5.1 A

1

.5 mA

800 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSSO-G2

1.5 V

800 V

200 V/us

30 mA

TO-252AA

e3

40

260

UL RECOGNIZED

S8008VTP

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

THROUGH-HOLE

RECTANGULAR

5.1 A

1

.5 mA

800 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSIP-T3

1.5 V

800 V

200 V/us

30 mA

TO-251AA

e3

40

260

UL RECOGNIZED

SK008DRP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

GULL WING

RECTANGULAR

5.1 A

1

3 mA

1000 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSSO-G2

1.5 V

1000 V

100 V/us

30 mA

TO-252AA

e3

40

260

UL RECOGNIZED

SK008DTP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

GULL WING

RECTANGULAR

5.1 A

1

3 mA

1000 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSSO-G2

1.5 V

1000 V

100 V/us

30 mA

TO-252AA

e3

40

260

UL RECOGNIZED

SK008RTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

THROUGH-HOLE

RECTANGULAR

5.1 A

1

3 mA

1000 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSFM-T3

1.5 V

1000 V

100 V/us

30 mA

TO-220AB

e3

40

260

UL RECOGNIZED

SK008VTP

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

THROUGH-HOLE

RECTANGULAR

5.1 A

1

3 mA

1000 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

8 A

R-PSIP-T3

1.5 V

1000 V

100 V/us

30 mA

TO-251AA

e3

40

260

UL RECOGNIZED

TN1205H-6G

STMicroelectronics

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

5 mA

126 A

GULL WING

RECTANGULAR

12 A

1

3 mA

600 V

2

Silicon Controlled Rectifiers

150 Cel

-40 Cel

Matte Tin (Sn) - annealed

7.6 A

R-PSSO-G2

1

1.3 V

600 V

100 V/us

20 mA

65 us

e3

30

245

TS1220-600T

STMicroelectronics

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

115 A

THROUGH-HOLE

RECTANGULAR

8 A

1

2 mA

600 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

Matte Tin (Sn)

12 A

R-PSFM-T3

.8 V

600 V

5 V/us

5 mA

TO-220AB

e3

S4004DS1TP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.05 mA

30 A

GULL WING

RECTANGULAR

2.5 A

1

.1 mA

400 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

4 A

R-PSSO-G2

.8 V

400 V

4 mA

50 us

TO-252AA

e3

40

260

S4004DS2TP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

30 A

GULL WING

RECTANGULAR

2.5 A

1

.1 mA

400 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

4 A

R-PSSO-G2

.8 V

400 V

6 mA

50 us

TO-252AA

e3

40

260

S4004VS1TP

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.05 mA

30 A

THROUGH-HOLE

RECTANGULAR

2.5 A

1

.1 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

4 A

R-PSIP-T3

.8 V

400 V

4 mA

50 us

TO-251AA

e3

40

260

S6004DS1RP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.05 mA

30 A

GULL WING

RECTANGULAR

2.5 A

1

.1 mA

600 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

4 A

R-PSSO-G2

.8 V

600 V

4 mA

50 us

TO-252AA

e3

40

260

S6004DS1TP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.05 mA

30 A

GULL WING

RECTANGULAR

2.5 A

1

.1 mA

600 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

4 A

R-PSSO-G2

.8 V

600 V

4 mA

50 us

TO-252AA

e3

40

260

S6004DS2TP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

30 A

GULL WING

RECTANGULAR

2.5 A

1

.1 mA

600 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

4 A

R-PSSO-G2

.8 V

600 V

6 mA

50 us

TO-252AA

e3

40

260

S6004VS1TP

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.05 mA

30 A

THROUGH-HOLE

RECTANGULAR

2.5 A

1

.1 mA

600 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

4 A

R-PSIP-T3

.8 V

600 V

4 mA

50 us

TO-251AA

e3

40

260

TN1625-600G-TR

STMicroelectronics

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

25 mA

190 A

GULL WING

RECTANGULAR

10 A

1

2 mA

600 V

5 uA

2

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

16 A

R-PSSO-G2

1.3 V

Not Qualified

600 V

500 V/us

40 mA

HIGH RELIABILITY

e3

TS420-400B-TR

STMicroelectronics

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

33 A

GULL WING

RECTANGULAR

2.5 A

1

400 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

4 A

R-PSSO-G2

.8 V

Not Qualified

400 V

5 mA

SENSITIVE GATE

TN22-1500T

STMicroelectronics

ASSYMETRIC SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

1.5 mA

22 A

THROUGH-HOLE

RECTANGULAR

2 A

1

.1 mA

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

2 A

R-PSFM-T3

3 V

Not Qualified

400 V

500 V/us

175 mA

HIGH RELIABILITY

TO-220AB

e3

TN1215-600G

STMicroelectronics

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

146 A

GULL WING

RECTANGULAR

12 A

1

.005 mA

600 V

5 uA

2

Silicon Controlled Rectifiers

125 Cel

-40 Cel

Matte Tin (Sn) - annealed

12 A

R-PSSO-G2

1

1.3 V

Not Qualified

600 V

200 V/us

30 mA

HIGH RELIABILITY

e3

30

245

TN1625-600G

STMicroelectronics

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

25 mA

199 A

GULL WING

RECTANGULAR

16 A

1

.005 mA

600 V

5 uA

2

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

16 A

R-PSSO-G2

1.3 V

Not Qualified

600 V

500 V/us

40 mA

HIGH RELIABILITY

e3

TN2540-600G

STMicroelectronics

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

40 mA

314 A

GULL WING

RECTANGULAR

25 A

1

.005 mA

600 V

5 uA

2

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

25 A

R-PSSO-G2

1.3 V

Not Qualified

600 V

500 V/us

50 mA

HIGH RELIABILITY

e3

TN1205T-600B

STMicroelectronics

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

5 mA

120 A

GULL WING

RECTANGULAR

12 A

1

2 mA

600 V

2

Silicon Controlled Rectifiers

125 Cel

-40 Cel

Matte Tin (Sn) - annealed

12 A

R-PSSO-G2

1

1.3 V

Not Qualified

600 V

100 V/us

15 mA

55 us

e3

30

260

CS23-12IO2

IXYS Corporation

SCR

POST/STUD MOUNT

NO

UPPER

SINGLE

ANODE

METAL

50 mA

450 A

UNSPECIFIED

ROUND

25 A

1

3 mA

1200 V

2

Silicon Controlled Rectifiers

125 Cel

TIN

50 A

O-MUPM-X2

2.5 V

Not Qualified

1200 V

1000 V/us

100 mA

130 us

TO-208AA

e3

CS23-16IO2

IXYS Corporation

SCR

POST/STUD MOUNT

NO

UPPER

SINGLE

ANODE

METAL

50 mA

450 A

UNSPECIFIED

ROUND

25 A

1

3 mA

1600 V

2

Silicon Controlled Rectifiers

125 Cel

MATTE TIN

50 A

O-MUPM-X2

2.5 V

Not Qualified

1600 V

1000 V/us

100 mA

130 us

TO-208AA

e3

CS35-14IO4

IXYS Corporation

SCR

POST/STUD MOUNT

NO

UPPER

SINGLE

ANODE

METAL

100 mA

1200 A

UNSPECIFIED

ROUND

60 A

1

6 mA

1400 V

2

Silicon Controlled Rectifiers

125 Cel

-45 Cel

MATTE TIN

120 A

O-MUPM-X2

3 V

Not Qualified

1400 V

1000 V/us

200 mA

150 us

TO-208AC

e3

CS8-12IO2

IXYS Corporation

SCR

POST/STUD MOUNT

NO

UPPER

SINGLE

ANODE

METAL

30 mA

250 A

SOLDER LUG

ROUND

25 A

1

3 mA

1200 V

2

Silicon Controlled Rectifiers

125 Cel

-45 Cel

TIN

25 A

O-MUPM-D2

2.5 V

Not Qualified

1200 V

1000 V/us

80 mA

60 us

TO-64

e3

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

TS820-700T

STMicroelectronics

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

73 A

THROUGH-HOLE

RECTANGULAR

5 A

1

700 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

8 A

R-PSFM-T3

.8 V

Not Qualified

700 V

5 V/us

5 mA

SENSITIVE GATE

TO-220AB

e3

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.