STMicroelectronics Diodes & Rectifiers 2,400+

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Part RoHS Manufacturer Diode Type Terminal Position Terminal Form No. of Terminals Surface Mount Package Shape Minimum Quality Factor Package Body Material Working Test Current Config Frequency Band Nominal Reference Voltage Maximum Output Current Maximum Forward Voltage (VF) Maximum Diode Capacitance Nominal Breakdown Voltage Maximum Reverse Recovery Time Technology Maximum Reverse Current No. of Elements Reverse Test Voltage Nominal Regulation Current (Ireg) Package Style (Meter) Sub-Category Maximum Voltage Tolerance Maximum Repetitive Peak Reverse Voltage Maximum Operating Temperature Application Maximum Dynamic Impedance Maximum Limiting Voltage Minimum Operating Temperature Terminal Finish JESD-30 Code Moisture Sensitivity Level (MSL) Polarity Case Connection Qualification Maximum Power Dissipation Nominal Diode Capacitance Additional Features No. of Phases JEDEC-95 Code Diode Cap Tolerance Maximum Clamping Voltage Minimum Breakdown Voltage Maximum Non Repetitive Peak Forward Current JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Diode Element Material Minimum Diode Capacitance Ratio Reference Standard

STPS340U

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

3 A

.84 V

SCHOTTKY

20 uA

1

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

FAST RECOVERY POWER

MATTE TIN

R-PDSO-C2

1

Not Qualified

FREE WHEELING DIODE

1

75 A

e3

260

SILICON

BAT54SWFILM

STMicroelectronics

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.3 A

.24 V

.005 us

SCHOTTKY

2

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

-40 Cel

MATTE TIN

R-PDSO-G3

1

Not Qualified

1 A

e3

30

260

SILICON

STPS1L40M

STMicroelectronics

RECTIFIER DIODE

SINGLE

GULL WING

1

YES

SQUARE

PLASTIC/EPOXY

SINGLE

1 A

.4 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

Matte Tin (Sn) - annealed

S-PSSO-G1

1

CATHODE

Not Qualified

1

DO-216AA

50 A

e3

30

260

SILICON

STPS2L40U

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

2 A

.45 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

POWER

Matte Tin (Sn) - annealed

R-PDSO-C2

1

Not Qualified

FREE WHEELING DIODE

1

DO-214AA

75 A

e3

30

260

SILICON

STTH310S

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

3 A

1.42 V

.075 us

1

SMALL OUTLINE

Rectifier Diodes

1000 V

175 Cel

HIGH VOLTAGE ULTRA FAST SOFT RECOVERY

-40 Cel

Matte Tin (Sn) - annealed

R-PDSO-C2

1

Not Qualified

HIGH RELIABILITY, FREE WHEELING DIODE, SNUBBER DIODE

1

45 A

e3

30

260

SILICON

BAT54FILM

STMicroelectronics

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.3 A

.9 V

.005 us

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

-40 Cel

MATTE TIN

R-PDSO-G3

1

Not Qualified

.25 W

1

1 A

e3

30

260

SILICON

STPS8170DEE-TR

STMicroelectronics

RECTIFIER DIODE

DUAL

FLAT

3

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

8 A

.9 V

SCHOTTKY

15 uA

1

SMALL OUTLINE

Rectifier Diodes

170 V

175 Cel

FAST RECOVERY POWER

Matte Tin (Sn)

R-PDSO-F3

1

CATHODE

FREE WHEELING DIODE

1

100 A

e3

30

260

SILICON

STTH112A

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

1.65 V

.075 us

1

SMALL OUTLINE

Rectifier Diodes

1200 V

175 Cel

MATTE TIN

R-PDSO-C2

1

Not Qualified

FREE WHEELING DIODE, HIGH RELIABILITY, SNUBBER DIODE

1

18 A

e3

260

SILICON

BAT54JFILM

STMicroelectronics

RECTIFIER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.3 A

.24 V

.005 us

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

-40 Cel

MATTE TIN

R-PDSO-G2

1

Not Qualified

1

1 A

e3

30

260

SILICON

STPS2H100A

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

2 A

.88 V

SCHOTTKY

1 uA

1

100 V

SMALL OUTLINE

100 V

175 Cel

POWER

Matte Tin (Sn)

R-PDSO-C2

1

Not Qualified

LOW LEAKAGE CURRENT

1

DO-214AC

75 A

e3

40

260

SILICON

UL RECOGNIZED

BAR43SFILM

STMicroelectronics

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.1 A

.33 V

.005 us

SCHOTTKY

2

SMALL OUTLINE

Rectifier Diodes

30 V

150 Cel

MATTE TIN

R-PDSO-G3

1

Not Qualified

.25 W

.75 A

e3

260

SILICON

BAT46JFILM

STMicroelectronics

RECTIFIER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.15 A

.25 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

100 V

150 Cel

MATTE TIN

R-PDSO-G2

1

Not Qualified

1

1 A

e3

30

260

SILICON

STPSC8H065BY-TR

STMicroelectronics

RECTIFIER DIODE

SINGLE

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

8 A

1.65 V

SCHOTTKY

80 uA

1

SMALL OUTLINE

650 V

175 Cel

POWER

-40 Cel

R-PSSO-G2

CATHODE

1

69 A

NOT SPECIFIED

NOT SPECIFIED

SILICON CARBIDE

AEC-Q101

STPS1H100A

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

.86 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

100 V

175 Cel

Matte Tin (Sn) - annealed

R-PDSO-C2

1

Not Qualified

1

DO-214AC

50 A

e3

30

260

SILICON

TMMBAT46FILM

STMicroelectronics

RECTIFIER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

SINGLE

.15 A

1 V

SCHOTTKY

5 uA

1

LONG FORM

Rectifier Diodes

100 V

125 Cel

-65 Cel

Matte Tin (Sn) - annealed

O-LELF-R2

1

ISOLATED

Not Qualified

.15 W

1

.75 A

e3

30

235

SILICON

BAT54SWFILMY

STMicroelectronics

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.3 A

.9 V

.005 us

SCHOTTKY

1 uA

2

30 V

SMALL OUTLINE

40 V

150 Cel

FAST RECOVERY

-40 Cel

MATTE TIN

R-PDSO-G3

1

1

1 A

e3

260

SILICON

AEC-Q101

STPS340S

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

3 A

.84 V

SCHOTTKY

20 uA

1

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

FAST RECOVERY POWER

MATTE TIN

R-PDSO-C2

1

Not Qualified

FREE WHEELING DIODE

1

75 A

e3

260

SILICON

STPS30M100DJF-TR

STMicroelectronics

RECTIFIER DIODE

DUAL

NO LEAD

5

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

30 A

.96 V

SCHOTTKY

100 uA

1

100 V

SMALL OUTLINE

100 V

150 Cel

EFFICIENCY

Matte Tin (Sn) - annealed

R-PDSO-N5

1

CATHODE

Not Qualified

1

200 A

e3

30

260

SILICON

STPS3L60U-Y

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.79 V

SCHOTTKY

150 uA

1

SMALL OUTLINE

60 V

150 Cel

POWER

-40 Cel

R-PDSO-C2

1

100 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

AEC-Q101

STPS340UF

STMicroelectronics

RECTIFIER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

3 A

.57 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

FAST RECOVERY POWER

MATTE TIN

R-PDSO-F2

1

Not Qualified

FREE WHEELING DIODE

1

75 A

e3

30

260

SILICON

STTH1R06A

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

1.25 V

.025 us

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

600 V

175 Cel

MATTE TIN

R-PDSO-C2

1

Not Qualified

FREE WHEELING DIODE

1

20 A

e3

30

260

SILICON

STPS5L60SF

STMicroelectronics

RECTIFIER DIODE

DUAL

FLAT

3

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

5 A

.51 V

SCHOTTKY

470 uA

1

SMALL OUTLINE

60 V

150 Cel

POWER

R-PDSO-F3

CATHODE

1

TO-277A

220 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

STPS30H100DJF-TR

STMicroelectronics

RECTIFIER DIODE

DUAL

NO LEAD

5

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.84 V

SCHOTTKY

6 uA

1

SMALL OUTLINE

100 V

150 Cel

EFFICIENCY

Matte Tin (Sn) - annealed

R-PDSO-N5

1

CATHODE

1

250 A

e3

30

260

SILICON

STPS0560Z

STMicroelectronics

RECTIFIER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.5 A

.66 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

60 V

150 Cel

Matte Tin (Sn)

R-PDSO-G2

1

Not Qualified

FREE WHEELING DIODE

1

5.5 A

e3

30

260

SILICON

BAT54CFILM

STMicroelectronics

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON CATHODE, 2 ELEMENTS

.3 A

.9 V

.005 us

SCHOTTKY

2

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

-40 Cel

MATTE TIN

R-PDSO-G3

1

Not Qualified

.25 W

1 A

e3

30

235

SILICON

STPS340UY

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.84 V

SCHOTTKY

20 uA

1

SMALL OUTLINE

40 V

150 Cel

FAST RECOVERY POWER

-40 Cel

MATTE TIN

R-PDSO-C2

1

FREE WHEELING DIODE

1

75 A

e3

260

SILICON

AEC-Q101

STTH112UFY

STMicroelectronics

RECTIFIER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.075 us

1

SMALL OUTLINE

1200 V

175 Cel

-40 Cel

MATTE TIN

R-PDSO-F2

1

FREE WHEELING DIODE

1

e3

30

260

SILICON

AEC-Q101

STPS3L60UFN

STMicroelectronics

RECTIFIER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

3 A

.79 V

SCHOTTKY

150 uA

1

60 V

SMALL OUTLINE

60 V

150 Cel

POWER

R-PDSO-F2

1

100 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

STPS2H100AY

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

2 A

.88 V

SCHOTTKY

1 uA

1

100 V

SMALL OUTLINE

Rectifier Diodes

100 V

175 Cel

POWER

-40 Cel

MATTE TIN

R-PDSO-C2

1

LOW LEAKAGE CURRENT

1

DO-214AC

75 A

e3

30

260

SILICON

AEC-Q101; UL RECOGNIZED

STPS3L60UF

STMicroelectronics

RECTIFIER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

3 A

.59 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

60 V

150 Cel

POWER

Matte Tin (Sn) - annealed

R-PDSO-F2

1

Not Qualified

AVALANCHE CAPABILITY

1

100 A

e3

30

260

SILICON

TMMBAT48FILM

STMicroelectronics

RECTIFIER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

SINGLE

.35 A

.9 V

.01 us

SCHOTTKY

25 uA

1

LONG FORM

Rectifier Diodes

40 V

125 Cel

-65 Cel

Matte Tin (Sn)

O-LELF-R2

ISOLATED

Not Qualified

.33 W

1

7.5 A

e3

30

260

SILICON

STPS3L60U

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

3 A

.59 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

60 V

150 Cel

POWER

Matte Tin (Sn) - annealed

R-PDSO-C2

1

Not Qualified

AVALANCHE CAPABILITY

1

DO-214AA

100 A

e3

30

260

SILICON

BAT54SFILM

STMicroelectronics

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.3 A

.9 V

.005 us

SCHOTTKY

2

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

-40 Cel

MATTE TIN

R-PDSO-G3

1

Not Qualified

.25 W

1 A

e3

30

260

SILICON

STPS3150UY

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.89 V

SCHOTTKY

2 uA

1

SMALL OUTLINE

150 V

175 Cel

EFFICIENCY

-40 Cel

R-PDSO-C2

1

80 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

AEC-Q101

STTH1R06U

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

1.25 V

.025 us

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

600 V

175 Cel

Matte Tin (Sn) - annealed

R-PDSO-C2

1

Not Qualified

FREE WHEELING DIODE

1

20 A

e3

30

260

SILICON

STPS1H100AY

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

.86 V

SCHOTTKY

4 uA

1

SMALL OUTLINE

Rectifier Diodes

100 V

175 Cel

HIGH VOLTAGE POWER

-40 Cel

Matte Tin (Sn) - annealed

R-PDSO-C2

1

LOW LEAKAGE CURRENT

1

DO-214AC

50 A

e3

30

260

SILICON

AEC-Q101

BAT54AFILM

STMicroelectronics

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 2 ELEMENTS

.3 A

.9 V

.005 us

SCHOTTKY

2

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

-40 Cel

MATTE TIN

R-PDSO-G3

1

Not Qualified

.25 W

1 A

e3

30

260

SILICON

STTH112U

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

1.65 V

.075 us

1

SMALL OUTLINE

Rectifier Diodes

1200 V

175 Cel

MATTE TIN

R-PDSO-C2

1

Not Qualified

FREE WHEELING DIODE, HIGH RELIABILITY, SNUBBER DIODE

1

18 A

e3

30

260

SILICON

STPS1H100AFN

STMicroelectronics

RECTIFIER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

.86 V

SCHOTTKY

4 uA

1

100 V

SMALL OUTLINE

100 V

175 Cel

POWER

R-PDSO-F2

LOW LEAKAGE CURRENT

1

50 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

STPS3150UF

STMicroelectronics

RECTIFIER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

3 A

.67 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

150 V

175 Cel

EFFICIENCY

Matte Tin (Sn) - annealed

R-PDSO-F2

1

Not Qualified

1

100 A

e3

30

260

SILICON

BAT46ZFILM

STMicroelectronics

RECTIFIER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.15 A

.25 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

100 V

150 Cel

MATTE TIN

R-PDSO-G2

1

Not Qualified

1

1 A

e3

30

260

SILICON

BAT54JFILM-HQ

STMicroelectronics

RECTIFIER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.3 A

.005 us

SCHOTTKY

1

SMALL OUTLINE

40 V

150 Cel

-40 Cel

MATTE TIN

R-PDSO-G2

1

1

e3

30

260

SILICON

STPS8H100DEE-TR

STMicroelectronics

RECTIFIER DIODE

DUAL

NO LEAD

5

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

8 A

.9 V

SCHOTTKY

4.5 uA

1

100 V

SMALL OUTLINE

100 V

175 Cel

HIGH VOLTAGE FAST RECOVERY POWER

Matte Tin (Sn)

R-PDSO-N5

1

CATHODE

FREE WHEELING DIODE

1

100 A

e3

30

260

SILICON

STPS1H100AF

STMicroelectronics

RECTIFIER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

.62 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

100 V

175 Cel

Matte Tin (Sn) - annealed

R-PDSO-F2

1

Not Qualified

LOW LEAKAGE CURRENT

1

DO-221AC

50 A

e3

30

260

SILICON

STPS5L60SY

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

5 A

.52 V

SCHOTTKY

220 uA

1

SMALL OUTLINE

Rectifier Diodes

60 V

150 Cel

EFFICIENCY

-40 Cel

Matte Tin (Sn) - annealed

R-PDSO-C2

1

1

150 A

e3

30

260

SILICON

AEC-Q101

STPS3150U

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

3 A

.67 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

150 V

175 Cel

EFFICIENCY

Matte Tin (Sn) - annealed

R-PDSO-C2

1

Not Qualified

1

100 A

e3

30

260

SILICON

STPS5L60S

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

5 A

.48 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

60 V

150 Cel

EFFICIENCY

MATTE TIN

R-PDSO-C2

1

Not Qualified

1

150 A

e3

10

260

SILICON

STPS2H100AF

STMicroelectronics

RECTIFIER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

2 A

.88 V

SCHOTTKY

1 uA

1

100 V

SMALL OUTLINE

100 V

175 Cel

POWER

R-PDSO-F2

LOW LEAKAGE CURRENT

1

75 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

UL RECOGNIZED

Diodes & Rectifiers

Diodes and rectifiers are electronic components that allow current to flow in one direction only, and they are widely used in electronic circuits for signal processing, power conversion, and protection.

A diode is a two-terminal electronic component that allows current to flow in one direction only. It consists of a P-N junction, which acts as a one-way valve for current flow. When the diode is forward-biased, it allows current to flow in the forward direction, while when it is reverse-biased, it blocks the current flow.

Rectifiers are electronic devices that convert AC voltage to DC voltage. They consist of one or more diodes arranged in a specific configuration, such as half-wave, full-wave, or bridge rectifier. Rectifiers allow the current to flow in only one direction, effectively converting the AC voltage to DC voltage.

Diodes and rectifiers are used in a wide range of applications, such as power supplies, battery chargers, voltage regulators, and signal processing circuits. They offer several advantages over other types of components, such as simplicity, efficiency, and reliability.

Diodes and rectifiers come in different package sizes and current ratings, depending on the application and the required performance. They can be integrated into a circuit board or mounted in a separate enclosure, depending on the application and the space available.