SINGLE Silicon Controlled Rectifiers (SCR) 677

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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

MCR100-6RLG

Onsemi

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

PLASTIC/EPOXY

.2 mA

10 A

THROUGH-HOLE

ROUND

.8 A

1

.1 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

TIN SILVER COPPER

.8 A

O-PBCY-T3

1.2 V

Not Qualified

400 V

20 V/us

10 mA

TO-92

e1

260

2N5061G

Onsemi

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

PLASTIC/EPOXY

.2 mA

10 A

THROUGH-HOLE

ROUND

.51 A

1

60 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

TIN SILVER COPPER

.8 A

O-PBCY-T3

1.2 V

Not Qualified

60 V

30 V/us

10 mA

10 us

TO-92

e1

260

2N5061RLRAG

Onsemi

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

PLASTIC/EPOXY

.2 mA

10 A

THROUGH-HOLE

ROUND

.51 A

1

60 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

TIN SILVER COPPER

.8 A

O-PBCY-T3

1.2 V

Not Qualified

60 V

30 V/us

10 mA

10 us

TO-92

e1

260

MCR100-6RLRAG

Onsemi

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

PLASTIC/EPOXY

.2 mA

10 A

THROUGH-HOLE

ROUND

.8 A

1

.1 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

TIN SILVER COPPER

.8 A

O-PBCY-T3

.8 V

Not Qualified

400 V

5 mA

TO-92

e1

260

MCR100-8RLG

Onsemi

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

PLASTIC/EPOXY

.2 mA

10 A

THROUGH-HOLE

ROUND

.8 A

1

.1 mA

600 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

TIN SILVER COPPER

.8 A

O-PBCY-T3

.8 V

Not Qualified

600 V

5 mA

TO-92

e1

260

MCR22-8RL1G

Onsemi

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

PLASTIC/EPOXY

.2 mA

15 A

THROUGH-HOLE

ROUND

1.5 A

1

.2 mA

600 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

TIN SILVER COPPER

1.5 A

O-PBCY-T3

.8 V

Not Qualified

600 V

25 V/us

5 mA

SENSITIVE GATE

40 us

TO-92

e1

260

2N5064RLRMG

Onsemi

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

PLASTIC/EPOXY

.2 mA

10 A

THROUGH-HOLE

ROUND

.51 A

1

.01 mA

200 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

TIN SILVER COPPER

.8 A

O-PBCY-T3

.8 V

Not Qualified

200 V

5 mA

SENSITIVE GATE

30 us

TO-92

e1

260

MCR22-6RLRAG

Onsemi

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

PLASTIC/EPOXY

.2 mA

15 A

THROUGH-HOLE

ROUND

1.5 A

1

.2 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

TIN SILVER COPPER

1.5 A

O-PBCY-T3

.8 V

Not Qualified

400 V

25 V/us

5 mA

SENSITIVE GATE

40 us

TO-92

e1

260

MCR22-6RLRPG

Onsemi

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

ISOLATED

PLASTIC/EPOXY

.2 mA

15 A

THROUGH-HOLE

ROUND

1.5 A

1

.2 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

TIN SILVER COPPER

1.5 A

O-PBCY-T3

.8 V

Not Qualified

400 V

25 V/us

5 mA

40 us

TO-92

e1

260

S4006DS2TP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

GULL WING

RECTANGULAR

6 A

1

.25 mA

400 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

6 A

R-PSSO-G2

1

.8 V

Not Qualified

400 V

8 V/us

6 mA

TO-252AA

e3

30

260

S4006DS3RP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

GULL WING

RECTANGULAR

6 A

1

.25 mA

400 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

6 A

R-PSSO-G2

.8 V

Not Qualified

400 V

8 V/us

8 mA

TO-252AA

e3

40

260

S4006DS3TP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

GULL WING

RECTANGULAR

6 A

1

.25 mA

400 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

6 A

R-PSSO-G2

.8 V

Not Qualified

400 V

8 V/us

8 mA

TO-252AA

e3

40

260

S4006DTP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

GULL WING

RECTANGULAR

6 A

1

.5 mA

400 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

6 A

R-PSSO-G2

1.5 V

Not Qualified

400 V

250 V/us

30 mA

TO-252AA

e3

40

260

S4006LS3TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

.5 mA

THROUGH-HOLE

RECTANGULAR

6 A

1

.25 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

6 A

R-PSFM-T3

.8 V

Not Qualified

400 V

8 V/us

8 mA

TO-220AB

e3

40

260

UL RECOGNIZED

S4006RS2TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

THROUGH-HOLE

RECTANGULAR

6 A

1

.25 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

Matte Tin (Sn)

6 A

R-PSFM-T3

.8 V

Not Qualified

400 V

8 V/us

6 mA

TO-220AB

e3

40

260

S4006RS2

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

THROUGH-HOLE

RECTANGULAR

3.8 A

1

.25 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

Matte Tin (Sn)

6 A

R-PSFM-T3

.8 V

Not Qualified

400 V

6 mA

TO-220AB

e3

40

260

S4006RTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

THROUGH-HOLE

RECTANGULAR

6 A

1

.5 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

6 A

R-PSFM-T3

1.5 V

Not Qualified

400 V

250 V/us

30 mA

TO-220AB

e3

40

260

S4006VS2TP

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

THROUGH-HOLE

RECTANGULAR

6 A

1

.25 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

6 A

R-PSIP-T3

.8 V

Not Qualified

400 V

8 V/us

6 mA

TO-251AA

e3

40

260

S4006VS3TP

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

THROUGH-HOLE

RECTANGULAR

6 A

1

.25 mA

400 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

6 A

R-PSIP-T3

.8 V

Not Qualified

400 V

8 V/us

8 mA

TO-251AA

e3

40

260

S4010DRP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

GULL WING

RECTANGULAR

6.4 A

1

.5 mA

400 V

2

Silicon Controlled Rectifiers

100 Cel

-40 Cel

MATTE TIN

10 A

R-PSSO-G2

1.5 V

Not Qualified

400 V

250 V/us

30 mA

TO-252AA

e3

40

260

S4010DS2RP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

100 A

GULL WING

RECTANGULAR

6.4 A

1

.25 mA

400 V

2

Silicon Controlled Rectifiers

100 Cel

-40 Cel

MATTE TIN

10 A

R-PSSO-G2

.8 V

Not Qualified

400 V

250 V/us

6 mA

TO-252AA

e3

40

260

S4010DS2TP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

100 A

GULL WING

RECTANGULAR

6.4 A

1

.25 mA

400 V

2

Silicon Controlled Rectifiers

100 Cel

-40 Cel

MATTE TIN

10 A

R-PSSO-G2

.8 V

Not Qualified

400 V

250 V/us

6 mA

TO-252AA

e3

40

260

S4010DS3RP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

100 A

GULL WING

RECTANGULAR

6.4 A

1

.25 mA

400 V

2

Silicon Controlled Rectifiers

100 Cel

-40 Cel

MATTE TIN

10 A

R-PSSO-G2

.8 V

Not Qualified

400 V

250 V/us

8 mA

TO-252AA

e3

40

260

S4010DS3TP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

100 A

GULL WING

RECTANGULAR

6.4 A

1

.25 mA

400 V

2

Silicon Controlled Rectifiers

100 Cel

-40 Cel

MATTE TIN

10 A

R-PSSO-G2

.8 V

Not Qualified

400 V

250 V/us

8 mA

TO-252AA

e3

40

260

S4010DTP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

GULL WING

RECTANGULAR

6.4 A

1

.5 mA

400 V

2

Silicon Controlled Rectifiers

100 Cel

-40 Cel

MATTE TIN

10 A

R-PSSO-G2

1.5 V

Not Qualified

400 V

250 V/us

30 mA

TO-252AA

e3

40

260

S4010LS3TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

.5 mA

100 A

THROUGH-HOLE

RECTANGULAR

6.4 A

1

.25 mA

400 V

3

Silicon Controlled Rectifiers

100 Cel

-40 Cel

MATTE TIN

10 A

R-PSFM-T3

.8 V

Not Qualified

400 V

250 V/us

8 mA

TO-220AB

e3

40

260

UL RECOGNIZED

S4010RS2TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

100 A

THROUGH-HOLE

RECTANGULAR

6.4 A

1

.25 mA

400 V

3

Silicon Controlled Rectifiers

100 Cel

-40 Cel

MATTE TIN

10 A

R-PSFM-T3

.8 V

Not Qualified

400 V

250 V/us

6 mA

TO-220AB

e3

40

260

S4010RS2

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

100 A

THROUGH-HOLE

RECTANGULAR

6.4 A

1

.25 mA

400 V

3

Silicon Controlled Rectifiers

100 Cel

-40 Cel

MATTE TIN

10 A

R-PSFM-T3

.8 V

Not Qualified

400 V

6 mA

TO-220AB

e3

40

260

S4010RS3TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

100 A

THROUGH-HOLE

RECTANGULAR

6.4 A

1

.25 mA

400 V

3

Silicon Controlled Rectifiers

100 Cel

-40 Cel

MATTE TIN

10 A

R-PSFM-T3

.8 V

Not Qualified

400 V

250 V/us

8 mA

TO-220AB

e3

40

260

S4010RTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

THROUGH-HOLE

RECTANGULAR

6.4 A

1

.5 mA

400 V

3

Silicon Controlled Rectifiers

100 Cel

-40 Cel

MATTE TIN

10 A

R-PSFM-T3

1.5 V

Not Qualified

400 V

250 V/us

30 mA

TO-220AB

e3

40

260

S4010VS2TP

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

100 A

THROUGH-HOLE

RECTANGULAR

6.4 A

1

.25 mA

400 V

3

Silicon Controlled Rectifiers

100 Cel

-40 Cel

MATTE TIN

10 A

R-PSIP-T3

.8 V

Not Qualified

400 V

250 V/us

6 mA

TO-251AA

e3

40

260

S4010VS3TP

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

100 A

THROUGH-HOLE

RECTANGULAR

6.4 A

1

.25 mA

400 V

3

Silicon Controlled Rectifiers

100 Cel

-40 Cel

MATTE TIN

10 A

R-PSIP-T3

.8 V

Not Qualified

400 V

250 V/us

8 mA

TO-251AA

e3

40

260

S4010VTP

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

100 A

THROUGH-HOLE

RECTANGULAR

6.4 A

1

.5 mA

400 V

3

Silicon Controlled Rectifiers

100 Cel

-40 Cel

MATTE TIN

10 A

R-PSIP-T3

1.5 V

Not Qualified

400 V

250 V/us

30 mA

TO-251AA

e3

40

260

S4035J81TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

40 mA

SOLDER LUG

RECTANGULAR

1

400 V

3

125 Cel

-40 Cel

MATTE TIN

35 A

R-PSFM-D3

Not Qualified

400 V

TO-218

e3

UL RECOGNIZED

S4035JTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

40 mA

500 A

SOLDER LUG

RECTANGULAR

1

400 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

35 A

R-PSFM-D3

1.5 V

Not Qualified

400 V

350 V/us

50 mA

TO-218

e3

40

260

UL RECOGNIZED

S4035KTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

40 mA

500 A

THROUGH-HOLE

RECTANGULAR

1

400 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

35 A

R-PSFM-T3

1.5 V

Not Qualified

400 V

350 V/us

50 mA

TO-218AC

e3

40

260

UL RECOGNIZED

S4065JTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

950 A

SOLDER LUG

RECTANGULAR

41 A

1

3 mA

400 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

65 A

R-PSFM-D3

2 V

Not Qualified

400 V

550 V/us

80 mA

TO-218

e3

40

260

UL RECOGNIZED

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

S4070WTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

50 mA

950 A

SOLDER LUG

RECTANGULAR

45 A

1

3 mA

400 V

3

Silicon Controlled Rectifiers

125 Cel

-40 Cel

MATTE TIN

70 A

R-PSFM-D3

2 V

Not Qualified

400 V

550 V/us

80 mA

TO-218

e3

40

260

S6006DS2TP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

GULL WING

RECTANGULAR

6 A

1

.25 mA

600 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

6 A

R-PSSO-G2

.8 V

Not Qualified

600 V

8 V/us

6 mA

TO-252AA

e3

40

260

S6006DS3RP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

GULL WING

RECTANGULAR

6 A

1

.25 mA

600 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

6 A

R-PSSO-G2

.8 V

Not Qualified

600 V

8 V/us

8 mA

TO-252AA

e3

40

260

S6006DS3TP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.5 mA

GULL WING

RECTANGULAR

6 A

1

.25 mA

600 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

6 A

R-PSSO-G2

.8 V

Not Qualified

600 V

8 V/us

8 mA

TO-252AA

e3

40

260

S6006DTP

Littelfuse

SCR

SMALL OUTLINE

YES

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

GULL WING

RECTANGULAR

6 A

1

.5 mA

600 V

2

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

6 A

R-PSSO-G2

1.5 V

Not Qualified

600 V

225 V/us

30 mA

TO-252AA

e3

40

260

S6006LS2TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

.2 mA

THROUGH-HOLE

RECTANGULAR

6 A

1

.25 mA

600 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

6 A

R-PSFM-T3

.8 V

Not Qualified

600 V

8 V/us

6 mA

TO-220AB

e3

40

260

UL RECOGNIZED

S6006LS3TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

.5 mA

THROUGH-HOLE

RECTANGULAR

6 A

1

.25 mA

600 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

Matte Tin (Sn)

6 A

R-PSFM-T3

.8 V

Not Qualified

600 V

8 V/us

8 mA

TO-220AB

e3

40

260

UL RECOGNIZED

S6006LTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

15 mA

THROUGH-HOLE

RECTANGULAR

6 A

1

.5 mA

600 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

Matte Tin (Sn)

6 A

R-PSFM-T3

1.5 V

Not Qualified

600 V

225 V/us

30 mA

TO-220AB

e3

40

260

UL RECOGNIZED

S6006RS2TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

.2 mA

THROUGH-HOLE

RECTANGULAR

6 A

1

.25 mA

600 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

Matte Tin (Sn)

6 A

R-PSFM-T3

.8 V

Not Qualified

600 V

8 V/us

6 mA

TO-220AB

e3

40

260

S6006RTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

PLASTIC/EPOXY

15 mA

THROUGH-HOLE

RECTANGULAR

6 A

1

.5 mA

600 V

3

Silicon Controlled Rectifiers

110 Cel

-40 Cel

MATTE TIN

6 A

R-PSFM-T3

1.5 V

Not Qualified

600 V

225 V/us

30 mA

TO-220AB

e3

40

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.