UNSPECIFIED Diodes & Rectifiers 1,883

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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

ND350N16K

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

UNSPECIFIED

SINGLE

350 A

1.28 V

1

FLANGE MOUNT

Rectifier Diodes

1600 V

150 Cel

GENERAL PURPOSE

R-XUFM-X2

ISOLATED

Not Qualified

1

11000 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

UL RECOGNIZED

IRKD71/10APBF

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

3

NO

RECTANGULAR

UNSPECIFIED

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

80 A

2

FLANGE MOUNT

1000 V

150 Cel

HIGH VOLTAGE POWER

-40 Cel

R-XUFM-X3

ISOLATED

1

TO-240AA

1870 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

UL RECOGNIZED

IRKEL132-14S10PBF

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

3

NO

RECTANGULAR

PLASTIC/EPOXY

SINGLE

140 A

1 us

1

FLANGE MOUNT

1400 V

150 Cel

FAST RECOVERY POWER

-40 Cel

R-PUFM-X3

ISOLATED

1

3100 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

UL RECOGNIZED

DD1200S33K2CNOSA1

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

4

NO

RECTANGULAR

UNSPECIFIED

SEPARATE, 2 ELEMENTS

1200 A

3.5 V

2

FLANGE MOUNT

Other Diodes

3300 V

125 Cel

GENERAL PURPOSE

-40 Cel

R-XUFM-X4

ISOLATED

Not Qualified

2400000 W

1

NOT SPECIFIED

NOT SPECIFIED

SILICON

ND89N12K

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

3

NO

RECTANGULAR

UNSPECIFIED

SINGLE

89 A

1.5 V

1

FLANGE MOUNT

Rectifier Diodes

1200 V

150 Cel

GENERAL PURPOSE

R-XUFM-X3

ISOLATED

Not Qualified

1

2400 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

UL RECOGNIZED

IRKC71/14A

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

3

NO

RECTANGULAR

UNSPECIFIED

COMMON CATHODE, 2 ELEMENTS

80 A

2

FLANGE MOUNT

1400 V

HIGH VOLTAGE POWER

R-XUFM-X3

ISOLATED

Not Qualified

1

TO-240AA

1870 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

UL RECOGNIZED

403CNQ090

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

PLASTIC/EPOXY

COMMON CATHODE, 2 ELEMENTS

400 A

SCHOTTKY

2

FLANGE MOUNT

90 V

GENERAL PURPOSE

R-PUFM-X2

CATHODE

Not Qualified

FREE WHEELING DIODE, HIGH RELIABILITY

1

TO-244AB

25500 A

40

260

SILICON

303UA200P3

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

1

NO

ROUND

CERAMIC, METAL-SEALED COFIRED

SINGLE

330 A

1

POST/STUD MOUNT

2000 V

HIGH VOLTAGE HIGH POWER

O-CUPM-X1

CATHODE

Not Qualified

HIGH SURGE CAPABILITY

1

DO-205AB

8640 A

40

260

SILICON

309UA160P2

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

1

NO

ROUND

CERAMIC, METAL-SEALED COFIRED

SINGLE

330 A

1

POST/STUD MOUNT

1600 V

HIGH VOLTAGE HIGH POWER

O-CUPM-X1

CATHODE

Not Qualified

HIGH SURGE CAPABILITY

1

DO-205AB

8640 A

40

260

SILICON

DD260N14KHOSA1

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

3

NO

RECTANGULAR

UNSPECIFIED

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

260 A

2

FLANGE MOUNT

1400 V

GENERAL PURPOSE

R-XUFM-X3

ISOLATED

Not Qualified

1

8300 A

SILICON

UL RECOGNIZED

B40DL100S05

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

3

NO

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

40 A

.5 us

2

FLANGE MOUNT

1000 V

FAST RECOVERY

R-PUFM-X3

ISOLATED

Not Qualified

1

500 A

40

260

SILICON

UL RECOGNIZED

DD260N18KHOSA1

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

3

NO

RECTANGULAR

UNSPECIFIED

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

260 A

2

FLANGE MOUNT

1800 V

GENERAL PURPOSE

R-XUFM-X3

ISOLATED

Not Qualified

1

8300 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

UL RECOGNIZED

DZ540N26K

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

UNSPECIFIED

SINGLE

732 A

1.64 V

40000 uA

1

2600 V

FLANGE MOUNT

Rectifier Diodes

2600 V

150 Cel

GENERAL PURPOSE

-40 Cel

R-XUFM-X2

ISOLATED

Not Qualified

1

14000 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

UL RECOGNIZED

303U200P2

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

1

NO

ROUND

CERAMIC, METAL-SEALED COFIRED

SINGLE

330 A

1.25 V

1

POST/STUD MOUNT

Rectifier Diodes

2000 V

180 Cel

HIGH VOLTAGE HIGH POWER

O-CUPM-X1

CATHODE

Not Qualified

HIGH SURGE CAPABILITY

1

DO-205AB

8640 A

40

260

SILICON

IRKE56/12A

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

UNSPECIFIED

SINGLE

60 A

1

FLANGE MOUNT

1200 V

HIGH VOLTAGE POWER

R-XUFM-X2

ISOLATED

Not Qualified

1

TO-240AA

1680 A

40

260

SILICON

UL RECOGNIZED

DD600N12KHPSA1

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

3

NO

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

600 A

1.32 V

40000 uA

2

FLANGE MOUNT

1200 V

150 Cel

MEDIUM POWER

-40 Cel

R-PUFM-X3

ISOLATED

HIGH RELIABILITY

1

19000 A

SILICON

IEC-61140; UL RECOGNIZED

HFA280NJ6C

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

PLASTIC/EPOXY

COMMON CATHODE, 2 ELEMENTS

280 A

.14 us

2

FLANGE MOUNT

GENERAL PURPOSE

R-PUFM-X2

CATHODE

Not Qualified

1

TO-244AB

40

260

SILICON

DD285N04K-K

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

3

NO

RECTANGULAR

UNSPECIFIED

COMMON CATHODE, 2 ELEMENTS

285 A

1.15 V

20000 uA

2

FLANGE MOUNT

400 V

150 Cel

GENERAL PURPOSE

-40 Cel

R-XUFM-X3

ISOLATED

1

8300 A

SILICON

UL RECOGNIZED

DD600S65K1NOSA1

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

7

NO

RECTANGULAR

UNSPECIFIED

SEPARATE, 2 ELEMENTS

600 A

2

FLANGE MOUNT

6300 V

150 Cel

GENERAL PURPOSE

R-XUFM-X7

ISOLATED

Not Qualified

1

NOT SPECIFIED

NOT SPECIFIED

SILICON

DD175N

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

7

NO

RECTANGULAR

UNSPECIFIED

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

223 A

2

FLANGE MOUNT

2800 V

GENERAL PURPOSE

R-XUFM-X7

Not Qualified

1

4000 A

SILICON

DD82S01K

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

3

NO

RECTANGULAR

UNSPECIFIED

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

96 A

1.55 V

2

FLANGE MOUNT

Rectifier Diodes

100 V

150 Cel

GENERAL PURPOSE

R-XUFM-X3

Not Qualified

1

2300 A

SILICON

ND104N16K

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

UNSPECIFIED

SINGLE

104 A

1.4 V

20000 uA

1

FLANGE MOUNT

1600 V

150 Cel

GENERAL PURPOSE

-40 Cel

R-XUFM-X2

ISOLATED

1

2500 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

UL RECOGNIZED

ND89N12KHOSA1

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

3

NO

RECTANGULAR

UNSPECIFIED

SINGLE

89 A

1

FLANGE MOUNT

1200 V

150 Cel

GENERAL PURPOSE

R-XUFM-X3

ISOLATED

Not Qualified

1

2400 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

UL RECOGNIZED

DZ435N40KHOSA1

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

UNSPECIFIED

SINGLE

700 A

1.71 V

50000 uA

1

FLANGE MOUNT

4000 V

150 Cel

GENERAL PURPOSE

-40 Cel

R-XUFM-X2

ISOLATED

1

12000 A

SILICON

UL RECOGNIZED

DZ540N22KHPSA1

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

UNSPECIFIED

SINGLE

732 A

1.64 V

40000 uA

1

2200 V

FLANGE MOUNT

2200 V

150 Cel

GENERAL PURPOSE

-40 Cel

R-XUFM-X2

ISOLATED

1

14000 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

UL RECOGNIZED

DZ435N36K

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

UNSPECIFIED

SINGLE

700 A

1.71 V

50000 uA

1

3600 V

FLANGE MOUNT

3600 V

150 Cel

GENERAL PURPOSE

-40 Cel

R-XUFM-X2

ISOLATED

HIGH RELIABILITY

1

14500 A

SILICON

UL RECOGNIZED

D1709N20T

Infineon Technologies

RECTIFIER DIODE

UNSPECIFIED

UNSPECIFIED

3

YES

ROUND

CERAMIC, METAL-SEALED COFIRED

SINGLE

1700 A

1.82 V

1

DISK BUTTON

Rectifier Diodes

2000 V

160 Cel

GENERAL PURPOSE

MATTE TIN

O-CXDB-X3

Not Qualified

1

18000 A

e3

SILICON

IRKE56/10A

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

UNSPECIFIED

SINGLE

60 A

1

FLANGE MOUNT

1000 V

HIGH VOLTAGE POWER

R-XUFM-X2

ISOLATED

Not Qualified

1

TO-240AA

1680 A

40

260

SILICON

UL RECOGNIZED

DD435N34KHPSA1

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

3

NO

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

573 A

1.71 V

50000 uA

2

FLANGE MOUNT

3400 V

150 Cel

GENERAL PURPOSE

-40 Cel

R-PUFM-X3

ISOLATED

HIGH RELIABILITY

1

12000 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

UL RECOGNIZED

309URA120P4

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

1

NO

ROUND

CERAMIC, METAL-SEALED COFIRED

SINGLE

330 A

1

POST/STUD MOUNT

1200 V

HIGH VOLTAGE HIGH POWER

O-CUPM-X1

ANODE

Not Qualified

HIGH SURGE CAPABILITY

1

DO-205AB

8640 A

40

260

SILICON

ND600N14K

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 A

1.32 V

40000 uA

1

FLANGE MOUNT

Rectifier Diodes

1400 V

150 Cel

MEDIUM POWER

-40 Cel

R-PUFM-X2

ISOLATED

HIGH RELIABILITY

1

19000 A

SILICON

IEC-61140; UL RECOGNIZED

305UA120P3

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

1

NO

ROUND

CERAMIC, METAL-SEALED COFIRED

SINGLE

330 A

1.3 V

1

POST/STUD MOUNT

Rectifier Diodes

1200 V

180 Cel

HIGH VOLTAGE HIGH POWER

O-CUPM-X1

CATHODE

Not Qualified

HIGH SURGE CAPABILITY

1

DO-205AB

8640 A

40

260

SILICON

305U160P2

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

1

NO

ROUND

CERAMIC, METAL-SEALED COFIRED

SINGLE

330 A

1

POST/STUD MOUNT

1600 V

HIGH VOLTAGE HIGH POWER

O-CUPM-X1

CATHODE

Not Qualified

HIGH SURGE CAPABILITY

1

DO-205AB

8640 A

40

260

SILICON

B40H2L100S10

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

4

NO

RECTANGULAR

PLASTIC/EPOXY

SEPARATE, 2 ELEMENTS

40 A

1.55 V

1 us

5000 uA

2

1000 V

FLANGE MOUNT

Other Diodes

1000 V

125 Cel

FAST RECOVERY

-40 Cel

R-PUFM-X4

ISOLATED

Not Qualified

1

500 A

40

260

SILICON

UL RECOGNIZED

ND350N12K

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

UNSPECIFIED

SINGLE

350 A

1.28 V

1

FLANGE MOUNT

Rectifier Diodes

1200 V

150 Cel

GENERAL PURPOSE

R-XUFM-X2

ISOLATED

Not Qualified

1

11000 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

UL RECOGNIZED

303U160P3

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

1

NO

ROUND

CERAMIC, METAL-SEALED COFIRED

SINGLE

330 A

1.3 V

1

POST/STUD MOUNT

Rectifier Diodes

1600 V

180 Cel

HIGH VOLTAGE HIGH POWER

O-CUPM-X1

CATHODE

Not Qualified

HIGH SURGE CAPABILITY

1

DO-205AB

8640 A

40

260

SILICON

DZ540N20

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

UNSPECIFIED

SINGLE

732 A

1.64 V

40000 uA

1

2000 V

FLANGE MOUNT

2000 V

150 Cel

GENERAL PURPOSE

-40 Cel

R-XUFM-X2

ISOLATED

Not Qualified

1

14000 A

SILICON

UL RECOGNIZED

303UA80P5

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

1

NO

ROUND

CERAMIC, METAL-SEALED COFIRED

SINGLE

330 A

1.45 V

1

POST/STUD MOUNT

Rectifier Diodes

800 V

180 Cel

HIGH VOLTAGE HIGH POWER

O-CUPM-X1

CATHODE

Not Qualified

HIGH SURGE CAPABILITY

1

DO-205AB

8640 A

40

260

SILICON

309UR250P5

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

1

NO

ROUND

CERAMIC, METAL-SEALED COFIRED

SINGLE

300 A

1

POST/STUD MOUNT

2500 V

HIGH VOLTAGE HIGH POWER

O-CUPM-X1

ANODE

Not Qualified

HIGH SURGE CAPABILITY

1

DO-205AB

6335 A

40

260

SILICON

DZ950N44K

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

UNSPECIFIED

SINGLE

950 A

1.78 V

1

FLANGE MOUNT

Rectifier Diodes

4400 V

160 Cel

GENERAL PURPOSE

R-XUFM-X2

ISOLATED

Not Qualified

1

29000 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

DD250S65K3NOSA1

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

4

NO

RECTANGULAR

PLASTIC/EPOXY

SEPARATE, 2 ELEMENTS

250 A

3.5 V

2

FLANGE MOUNT

Other Diodes

6500 V

125 Cel

GENERAL PURPOSE

-50 Cel

R-PUFM-X4

ISOLATED

1000000 W

1

NOT SPECIFIED

NOT SPECIFIED

SILICON

IEC-1287; IEC-61140; UL APPROVED

B40CL10S05

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

3

NO

RECTANGULAR

PLASTIC/EPOXY

COMMON CATHODE, 2 ELEMENTS

40 A

1.6 V

.5 us

2

FLANGE MOUNT

Rectifier Diodes

100 V

125 Cel

FAST RECOVERY

R-PUFM-X3

ISOLATED

Not Qualified

1

500 A

40

260

SILICON

UL RECOGNIZED

DZ540N26KHOSA1

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

UNSPECIFIED

SINGLE

732 A

1

FLANGE MOUNT

2600 V

150 Cel

GENERAL PURPOSE

R-XUFM-X2

ISOLATED

Not Qualified

1

14000 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

IRKE56/14A

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

UNSPECIFIED

SINGLE

60 A

1

FLANGE MOUNT

1400 V

HIGH VOLTAGE POWER

R-XUFM-X2

ISOLATED

Not Qualified

1

TO-240AA

1680 A

40

260

SILICON

UL RECOGNIZED

IRKE250-14

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

2

NO

RECTANGULAR

UNSPECIFIED

SINGLE

250 A

1.29 V

1

FLANGE MOUNT

Rectifier Diodes

1400 V

150 Cel

POWER

TIN LEAD

R-XUFM-X2

ISOLATED

Not Qualified

LEAKAGE CURRENT IS NOT AT 25 DEG C

1

6180 A

e0

SILICON

DD600N18KHPSA2

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

3

NO

RECTANGULAR

UNSPECIFIED

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

600 A

2

FLANGE MOUNT

1800 V

GENERAL PURPOSE

R-XUFM-X3

ISOLATED

1

19000 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

UL RECOGNIZED

DD220N16S

Infineon Technologies

RECTIFIER DIODE

UPPER

UNSPECIFIED

3

NO

RECTANGULAR

UNSPECIFIED

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

273 A

1.39 V

1000 uA

2

1600 V

FLANGE MOUNT

1600 V

150 Cel

GENERAL PURPOSE

R-XUFM-X3

ISOLATED

1

4800 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

85EPS12J

Infineon Technologies

RECTIFIER DIODE

SINGLE

UNSPECIFIED

1

NO

RECTANGULAR

PLASTIC/EPOXY

SINGLE

85 A

1

FLANGE MOUNT

1200 V

GENERAL PURPOSE

R-PSFM-X1

CATHODE

Not Qualified

1

1500 A

40

260

SILICON

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.