NO Silicon Controlled Rectifiers (SCR) 539

Reset All
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

TT240N32KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UNSPECIFIED

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

250 mA

UNSPECIFIED

RECTANGULAR

2

3200 V

7

125 Cel

-40 Cel

700 A

R-XXFM-X7

3200 V

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TT240N36KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UNSPECIFIED

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

ISOLATED

UNSPECIFIED

250 mA

UNSPECIFIED

RECTANGULAR

2

3600 V

7

125 Cel

-40 Cel

700 A

R-XXFM-X7

3600 V

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; 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

TZ240N30KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UNSPECIFIED

SINGLE

ISOLATED

UNSPECIFIED

250 mA

UNSPECIFIED

RECTANGULAR

1

3000 V

4

125 Cel

-40 Cel

700 A

R-XXFM-X4

3000 V

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TZ240N34KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UNSPECIFIED

SINGLE

ISOLATED

UNSPECIFIED

250 mA

UNSPECIFIED

RECTANGULAR

1

3400 V

4

125 Cel

-40 Cel

700 A

R-XXFM-X4

3400 V

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TZ800N16KOFTIMHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE

ISOLATED

PLASTIC/EPOXY

250 mA

UNSPECIFIED

RECTANGULAR

1

1600 V

4

125 Cel

-40 Cel

1500 A

R-PUFM-X4

1600 V

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TZ810N22KOFHPSA2

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE

ISOLATED

PLASTIC/EPOXY

250 mA

UNSPECIFIED

RECTANGULAR

1

2200 V

4

125 Cel

-40 Cel

1500 A

R-PUFM-X4

2200 V

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TZ810N22KOFTIMHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE

ISOLATED

PLASTIC/EPOXY

250 mA

UNSPECIFIED

RECTANGULAR

1

2200 V

4

125 Cel

-40 Cel

1500 A

R-PUFM-X4

2200 V

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TZ860N16KOFHPSA2

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE

ISOLATED

PLASTIC/EPOXY

250 mA

UNSPECIFIED

RECTANGULAR

1

1600 V

4

125 Cel

-40 Cel

1500 A

R-PUFM-X4

1600 V

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TZ860N16KOFTIMHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE

ISOLATED

PLASTIC/EPOXY

250 mA

UNSPECIFIED

RECTANGULAR

1

1600 V

4

125 Cel

-40 Cel

1500 A

R-PUFM-X4

1600 V

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6; UL RECOGNIZED

TZ630N24KOFHPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UNSPECIFIED

SINGLE

ISOLATED

UNSPECIFIED

250 mA

UNSPECIFIED

RECTANGULAR

1

2400 V

4

1500 A

R-XXFM-X4

2400 V

NOT SPECIFIED

NOT SPECIFIED

TZ810N22KOFB01HPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

SINGLE

ISOLATED

PLASTIC/EPOXY

250 mA

UNSPECIFIED

RECTANGULAR

1

2200 V

4

125 Cel

-40 Cel

1500 A

R-PUFM-X4

2200 V

HIGH RELIABILITY

IEC-747-6; UL RECOGNIZED

TZ530N36KOFS01HPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UNSPECIFIED

SINGLE

ISOLATED

UNSPECIFIED

250 mA

UNSPECIFIED

RECTANGULAR

1

3600 V

4

1500 A

R-XXFM-X4

3600 V

S6X8ECS2AP

Littelfuse

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

1.4 V

PLASTIC/EPOXY

.03 mA

10 A

THROUGH-HOLE

ROUND

.51 A

1

600 V

500 uA

3

125 Cel

-40 Cel

800 A

O-PBCY-T3

.8 V

600 V

75 V/us

3 mA

SENSITIVE GATE

TO-92

NOT SPECIFIED

NOT SPECIFIED

MIL-STD-750

S6X8ECS2RP

Littelfuse

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

1.4 V

PLASTIC/EPOXY

.03 mA

10 A

THROUGH-HOLE

ROUND

.51 A

1

600 V

500 uA

3

125 Cel

-40 Cel

800 A

O-PBCY-T3

.8 V

600 V

75 V/us

3 mA

SENSITIVE GATE

TO-92

NOT SPECIFIED

NOT SPECIFIED

MIL-STD-750

S6X8ECS2

Littelfuse

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

1.4 V

PLASTIC/EPOXY

.03 mA

10 A

WIRE

ROUND

.51 A

1

600 V

500 uA

3

125 Cel

-40 Cel

.8 A

O-PBCY-W3

.8 V

600 V

75 V/us

3 mA

TO-92

NOT SPECIFIED

NOT SPECIFIED

MIL-STD-750, UL RECOGNIZED

SJ6010VS2TP

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ANODE

1.6 V

PLASTIC/EPOXY

.2 mA

100 A

THROUGH-HOLE

RECTANGULAR

6.4 A

1

600 V

3000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

10 A

R-PSIP-T3

.8 V

600 V

15 V/us

6 mA

TO-251AA

e3

40

260

MIL-STD-750, UL RECOGNIZED

SJ6010VTP

Littelfuse

SCR

IN-LINE

NO

SINGLE

SINGLE

ANODE

1.6 V

PLASTIC/EPOXY

15 mA

100 A

THROUGH-HOLE

RECTANGULAR

6.4 A

1

600 V

3000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

10 A

R-PSIP-T3

1.5 V

600 V

200 V/us

30 mA

TO-251AA

e3

40

260

MIL-STD-750, UL RECOGNIZED

STT1400N16P55XPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

ANTI-PARALLEL, 2 ELEMENTS

1.39 V

UNSPECIFIED

200 mA

10500 A

UNSPECIFIED

RECTANGULAR

2

80 mA

1600 V

4

125 Cel

-40 Cel

R-XUFM-X4

2 V

1600 V

1000 V/us

300 mA

250 us

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6

STT1900N16P55XPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

ANTI-PARALLEL, 2 ELEMENTS

1.32 V

UNSPECIFIED

200 mA

17000 A

UNSPECIFIED

RECTANGULAR

2

130 mA

1600 V

4

125 Cel

-40 Cel

R-XUFM-X4

2 V

1600 V

1000 V/us

300 mA

250 us

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6

STT2200N16P55XPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

ANTI-PARALLEL, 2 ELEMENTS

1.38 V

UNSPECIFIED

200 mA

21000 A

UNSPECIFIED

RECTANGULAR

2

180 mA

1600 V

4

125 Cel

-40 Cel

R-XUFM-X4

2 V

1600 V

1000 V/us

300 mA

250 us

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6

STT800N16P55XPSA1

Infineon Technologies

SCR

FLANGE MOUNT

NO

UPPER

ANTI-PARALLEL, 2 ELEMENTS

1.56 V

UNSPECIFIED

200 mA

6300 A

UNSPECIFIED

RECTANGULAR

2

45 mA

1600 V

4

125 Cel

-40 Cel

R-XUFM-X4

2 V

1600 V

1000 V/us

300 mA

250 us

NOT SPECIFIED

NOT SPECIFIED

IEC-747-6

S602ECSAP

Littelfuse

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

1.8 V

PLASTIC/EPOXY

.1 mA

16.8 A

THROUGH-HOLE

ROUND

.95 A

1

600 V

500 uA

3

125 Cel

-40 Cel

1.5 A

O-PBCY-T3

.8 V

600 V

50 V/us

3 mA

SENSITIVE GATE

TO-92

NOT SPECIFIED

NOT SPECIFIED

MIL-STD-750

S602ECSRP

Littelfuse

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

1.8 V

PLASTIC/EPOXY

.1 mA

16.8 A

THROUGH-HOLE

ROUND

.95 A

1

600 V

500 uA

3

125 Cel

-40 Cel

1.5 A

O-PBCY-T3

.8 V

600 V

50 V/us

3 mA

SENSITIVE GATE

TO-92

NOT SPECIFIED

NOT SPECIFIED

MIL-STD-750

S602ECS

Littelfuse

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

1.8 V

PLASTIC/EPOXY

.1 mA

16.8 A

THROUGH-HOLE

ROUND

.95 A

1

600 V

500 uA

3

125 Cel

-40 Cel

1.5 A

O-PBCY-T3

.8 V

600 V

50 V/us

3 mA

SENSITIVE GATE

TO-92

NOT SPECIFIED

NOT SPECIFIED

MIL-STD-750

TT251N16KOFAHPSA1

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

IEC-747-6; UL RECOGNIZED

SJ4012L1TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

1.6 V

PLASTIC/EPOXY

6 mA

120 A

THROUGH-HOLE

RECTANGULAR

7.6 A

1

400 V

2000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

12 A

R-PSFM-T3

1

1.5 V

400 V

70 V/us

15 mA

TO-220AB

e3

40

260

UL RECOGNIZED

SJ4012L2TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

1.6 V

PLASTIC/EPOXY

10 mA

120 A

THROUGH-HOLE

RECTANGULAR

7.6 A

1

400 V

2000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

12 A

R-PSFM-T3

1

1.5 V

400 V

200 V/us

35 mA

TO-220AB

e3

40

260

UL RECOGNIZED

SJ4012LTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

1.6 V

PLASTIC/EPOXY

20 mA

120 A

THROUGH-HOLE

RECTANGULAR

7.6 A

1

400 V

2000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

12 A

R-PSFM-T3

1

1.5 V

400 V

400 V/us

60 mA

TO-220AB

e3

40

260

UL RECOGNIZED

SJ4012R1TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

1.6 V

PLASTIC/EPOXY

6 mA

120 A

THROUGH-HOLE

RECTANGULAR

7.6 A

1

400 V

2000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

12 A

R-PSFM-T3

1

1.5 V

400 V

70 V/us

15 mA

TO-220AB

e3

40

260

UL RECOGNIZED

SJ4012R2TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

1.6 V

PLASTIC/EPOXY

10 mA

120 A

THROUGH-HOLE

RECTANGULAR

7.6 A

1

400 V

2000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

12 A

R-PSFM-T3

1

1.5 V

400 V

200 V/us

35 mA

TO-220AB

e3

40

260

UL RECOGNIZED

SJ4012RTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

1.6 V

PLASTIC/EPOXY

20 mA

120 A

THROUGH-HOLE

RECTANGULAR

7.6 A

1

400 V

2000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

12 A

R-PSFM-T3

1

1.5 V

400 V

400 V/us

60 mA

TO-220AB

e3

40

260

UL RECOGNIZED

SJ6012L1TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

1.6 V

PLASTIC/EPOXY

6 mA

120 A

THROUGH-HOLE

RECTANGULAR

7.6 A

1

600 V

2000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

12 A

R-PSFM-T3

1

1.5 V

600 V

70 V/us

15 mA

TO-220AB

e3

40

260

UL RECOGNIZED

SJ6012L2TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

1.6 V

PLASTIC/EPOXY

10 mA

120 A

THROUGH-HOLE

RECTANGULAR

7.6 A

1

600 V

2000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

12 A

R-PSFM-T3

1

1.5 V

600 V

200 V/us

35 mA

TO-220AB

e3

40

260

UL RECOGNIZED

SJ6012R2TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

1.6 V

PLASTIC/EPOXY

10 mA

120 A

THROUGH-HOLE

RECTANGULAR

7.6 A

1

600 V

2000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

12 A

R-PSFM-T3

1

1.5 V

600 V

200 V/us

35 mA

TO-220AB

e3

40

260

UL RECOGNIZED

SJ6012RTP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

1.6 V

PLASTIC/EPOXY

20 mA

120 A

THROUGH-HOLE

RECTANGULAR

7.6 A

1

600 V

2000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

12 A

R-PSFM-T3

1

1.5 V

600 V

400 V/us

60 mA

TO-220AB

e3

40

260

UL RECOGNIZED

SJ6020L1TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

1.6 V

PLASTIC/EPOXY

6 mA

300 A

THROUGH-HOLE

RECTANGULAR

12.8 A

1

600 V

3000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

20 A

R-PSFM-T3

1

1.5 V

600 V

70 V/us

15 mA

TO-220AB

e3

40

260

MIL-STD-750, UL RECOGNIZED

SJ6020R1TP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

1.6 V

PLASTIC/EPOXY

6 mA

300 A

THROUGH-HOLE

RECTANGULAR

12.8 A

1

600 V

3000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

20 A

R-PSFM-T3

1

1.5 V

600 V

70 V/us

15 mA

TO-220AB

e3

40

260

MIL-STD-750, UL RECOGNIZED

S8X5ECSAP

Littelfuse

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

1.8 V

PLASTIC/EPOXY

.1 mA

12 A

THROUGH-HOLE

ROUND

.3 A

1

800 V

500 uA

3

125 Cel

-40 Cel

.5 A

O-PBCY-T3

.8 V

800 V

40 V/us

3 mA

TO-92

NOT SPECIFIED

NOT SPECIFIED

MIL-STD-750, UL RECOGNIZED

S8X5ECS

Littelfuse

SCR

CYLINDRICAL

NO

BOTTOM

SINGLE

1.8 V

PLASTIC/EPOXY

.1 mA

12 A

THROUGH-HOLE

ROUND

.3 A

1

800 V

500 uA

3

125 Cel

-40 Cel

.5 A

O-PBCY-T3

.8 V

800 V

40 V/us

3 mA

TO-92

NOT SPECIFIED

NOT SPECIFIED

MIL-STD-750, UL RECOGNIZED

SJ4025L1ATP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

1.6 V

PLASTIC/EPOXY

6 mA

350 A

THROUGH-HOLE

RECTANGULAR

16 A

1

400 V

3000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

25 A

R-PSFM-T3

1

1.5 V

400 V

70 V/us

15 mA

TO-220AB

e3

40

260

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

SJ4025L2ATP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

1.6 V

PLASTIC/EPOXY

10 mA

350 A

THROUGH-HOLE

RECTANGULAR

16 A

1

400 V

3000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

25 A

R-PSFM-T3

1

1.5 V

400 V

500 V/us

35 mA

TO-220AB

e3

40

260

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

SJ4025LATP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

1.6 V

PLASTIC/EPOXY

35 mA

350 A

THROUGH-HOLE

RECTANGULAR

16 A

1

400 V

3000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

25 A

R-PSFM-T3

1

1.5 V

400 V

800 V/us

75 mA

TO-220AB

e3

40

260

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

SJ4025R1ATP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

1.6 V

PLASTIC/EPOXY

6 mA

350 A

THROUGH-HOLE

RECTANGULAR

16 A

1

400 V

3000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

25 A

R-PSFM-T3

1

1.5 V

400 V

70 V/us

15 mA

TO-220AB

e3

40

260

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

SJ4025R2ATP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

1.6 V

PLASTIC/EPOXY

10 mA

350 A

THROUGH-HOLE

RECTANGULAR

16 A

1

400 V

3000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

25 A

R-PSFM-T3

1

1.5 V

400 V

500 V/us

35 mA

TO-220AB

e3

40

260

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

SJ4025RATP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ANODE

1.6 V

PLASTIC/EPOXY

35 mA

350 A

THROUGH-HOLE

RECTANGULAR

16 A

1

400 V

3000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

25 A

R-PSFM-T3

1

1.5 V

400 V

800 V/us

75 mA

TO-220AB

e3

40

260

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

SJ6025L1ATP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

1.6 V

PLASTIC/EPOXY

6 mA

350 A

THROUGH-HOLE

RECTANGULAR

16 A

1

600 V

3000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

25 A

R-PSFM-T3

1

1.5 V

600 V

70 V/us

15 mA

TO-220AB

e3

40

260

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

SJ6025L2ATP

Littelfuse

SCR

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

1.6 V

PLASTIC/EPOXY

10 mA

350 A

THROUGH-HOLE

RECTANGULAR

16 A

1

600 V

3000 uA

3

150 Cel

-40 Cel

Matte Tin (Sn)

25 A

R-PSFM-T3

1

1.5 V

600 V

500 V/us

35 mA

TO-220AB

e3

40

260

AEC-Q101, MIL-STD-750, 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.