SINGLE WITH BUILT-IN DIODE Silicon Controlled Rectifiers (SCR) 501

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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

MCD95-14IO1B

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

2400 A

UNSPECIFIED

RECTANGULAR

180 A

1

1400 V

5

Silicon Controlled Rectifiers

125 Cel

-40 Cel

180 A

R-XUFM-X5

2.6 V

Not Qualified

1400 V

200 mA

TO-240AA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCC224-22IO1

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

220 mA

8000 A

UNSPECIFIED

RECTANGULAR

240 A

1

40 mA

2200 V

5

Silicon Controlled Rectifiers

130 Cel

-40 Cel

400 A

R-XUFM-X5

2 V

Not Qualified

2200 V

1000 V/us

150 mA

200 us

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD220-14IO1

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

8500 A

UNSPECIFIED

RECTANGULAR

250 A

1

40 mA

1400 V

5

Silicon Controlled Rectifiers

140 Cel

-40 Cel

400 A

R-XUFM-X5

3 V

Not Qualified

1400 V

150 mA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD26-12IO8B

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

100 mA

560 A

UNSPECIFIED

RECTANGULAR

27 A

1

10 mA

1200 V

4

Silicon Controlled Rectifiers

125 Cel

-40 Cel

50 A

R-XUFM-X4

1.5 V

Not Qualified

1200 V

200 mA

TO-240AA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD250-12IO1

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

9000 A

UNSPECIFIED

RECTANGULAR

287 A

1

40 mA

1200 V

5

Silicon Controlled Rectifiers

140 Cel

-40 Cel

450 A

R-XUFM-X5

3 V

Not Qualified

1200 V

150 mA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD250-14IO1

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

9720 A

UNSPECIFIED

RECTANGULAR

290 A

1

40 mA

1400 V

5

140 Cel

-40 Cel

450 A

R-XUFM-X5

2 V

Not Qualified

1400 V

1000 V/us

150 mA

200 us

NOT SPECIFIED

NOT SPECIFIED

IEC-60747; UL RECOGNIZED

MCD26-14IO8B

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

100 mA

560 A

UNSPECIFIED

RECTANGULAR

27 A

1

10 mA

1400 V

4

Silicon Controlled Rectifiers

125 Cel

-40 Cel

50 A

R-XUFM-X4

1.5 V

Not Qualified

1400 V

200 mA

TO-240AA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD26-16IO8B

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

100 mA

560 A

UNSPECIFIED

RECTANGULAR

27 A

1

10 mA

1600 V

4

Silicon Controlled Rectifiers

125 Cel

-40 Cel

50 A

R-XUFM-X4

1.5 V

Not Qualified

1600 V

200 mA

TO-240AA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD220-16IO1

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

6000 A

UNSPECIFIED

RECTANGULAR

181 A

1

1600 V

5

Silicon Controlled Rectifiers

140 Cel

-40 Cel

400 A

R-XUFM-X5

Not Qualified

1600 V

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD26-12IO1B

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

100 mA

560 A

UNSPECIFIED

RECTANGULAR

27 A

1

3 mA

1200 V

5

Silicon Controlled Rectifiers

125 Cel

-40 Cel

50 A

R-XUFM-X5

1.6 V

Not Qualified

1200 V

200 mA

TO-240AA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD200-14IO1

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

8640 A

UNSPECIFIED

RECTANGULAR

216 A

1

15 mA

1400 V

5

Silicon Controlled Rectifiers

125 Cel

-40 Cel

340 A

R-XUFM-X5

3 V

Not Qualified

1400 V

150 mA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD250-18IO1

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

UNSPECIFIED

RECTANGULAR

1

1800 V

5

140 Cel

-40 Cel

450 A

R-XUFM-X5

Not Qualified

1800 V

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD220-18IO1

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

UNSPECIFIED

RECTANGULAR

1

1800 V

5

140 Cel

-40 Cel

400 A

R-XUFM-X5

Not Qualified

1800 V

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD220-12IO1

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

8500 A

UNSPECIFIED

RECTANGULAR

250 A

1

40 mA

1200 V

5

Silicon Controlled Rectifiers

140 Cel

-40 Cel

400 A

R-XUFM-X5

3 V

Not Qualified

1200 V

150 mA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD26-14IO1B

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

100 mA

560 A

UNSPECIFIED

RECTANGULAR

27 A

1

3 mA

1400 V

5

Silicon Controlled Rectifiers

125 Cel

-40 Cel

50 A

R-XUFM-X5

1.6 V

Not Qualified

1400 V

200 mA

TO-240AA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD26-08IO8B

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

100 mA

560 A

UNSPECIFIED

RECTANGULAR

27 A

1

10 mA

800 V

4

Silicon Controlled Rectifiers

125 Cel

-40 Cel

50 A

R-XUFM-X4

1.5 V

Not Qualified

800 V

200 mA

TO-240AA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD26-08IO1B

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

100 mA

560 A

UNSPECIFIED

RECTANGULAR

27 A

1

3 mA

800 V

5

Silicon Controlled Rectifiers

125 Cel

-40 Cel

50 A

R-XUFM-X5

1.6 V

Not Qualified

800 V

200 mA

TO-240AA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD250-16IO1

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

9000 A

UNSPECIFIED

RECTANGULAR

287 A

1

40 mA

1600 V

5

Silicon Controlled Rectifiers

140 Cel

-40 Cel

450 A

R-XUFM-X5

3 V

Not Qualified

1600 V

150 mA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD200-16IO1

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

8640 A

UNSPECIFIED

RECTANGULAR

216 A

1

15 mA

1600 V

5

Silicon Controlled Rectifiers

125 Cel

-40 Cel

340 A

R-XUFM-X5

3 V

Not Qualified

1600 V

150 mA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD250-08IO1

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

9000 A

UNSPECIFIED

RECTANGULAR

287 A

1

40 mA

800 V

5

Silicon Controlled Rectifiers

140 Cel

-40 Cel

450 A

R-XUFM-X5

3 V

Not Qualified

800 V

150 mA

NOT SPECIFIED

NOT SPECIFIED

UL RECOGNIZED

MCD220-08IO1

Littelfuse

SCR

FLANGE MOUNT

NO

UPPER

SINGLE WITH BUILT-IN DIODE

ISOLATED

UNSPECIFIED

150 mA

8500 A

UNSPECIFIED

RECTANGULAR

250 A

1

40 mA

800 V

5

Silicon Controlled Rectifiers

140 Cel

-40 Cel

400 A

R-XUFM-X5

3 V

Not Qualified

800 V

150 mA

NOT SPECIFIED

NOT SPECIFIED

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.