PIN Diodes

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Part RoHS Manufacturer Diode Type Terminal Position Terminal Form No. of Terminals Surface Mount Package Shape Package Body Material Diode Resistive Test Current Config Frequency Band Maximum Forward Voltage (VF) Maximum Diode Capacitance Technology Maximum Reverse Current No. of Elements Reverse Test Voltage Package Style (Meter) Sub-Category Maximum Repetitive Peak Reverse Voltage Maximum Operating Temperature Application Minimum Operating Temperature Terminal Finish JESD-30 Code Maximum Diode Forward Resistance Moisture Sensitivity Level (MSL) Case Connection Qualification Maximum Power Dissipation Nominal Diode Capacitance Additional Features Nominal Minority Carrier Lifetime JEDEC-95 Code 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 Diode Resistive Test Frequency Reference Standard

SMP1340-007LF

Skyworks Solutions

PIN DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

HIGH FREQUENCY TO S BAND

.3 pF

POSITIVE-INTRINSIC-NEGATIVE

1

5 V

SMALL OUTLINE

PIN Diodes

150 Cel

SWITCHING

Matte Tin (Sn)

R-PDSO-G3

1.2 ohm

1

Not Qualified

.25 W

.21 pF

.1 us

50 V

e3

40

260

SILICON

100 MHz

5082-3080

Broadcom

PIN DIODE

AXIAL

WIRE

2

NO

ROUND

GLASS

100 mA

SINGLE

.4 pF

POSITIVE-INTRINSIC-NEGATIVE

1

50 V

LONG FORM

PIN Diodes

150 Cel

ATTENUATOR; SWITCHING

TIN LEAD

O-LALF-W2

2.5 ohm

1

ISOLATED

Not Qualified

.25 W

.4 pF

LOW HARMONIC DISTORTION

1.3 us

100 V

e0

SILICON

100 MHz

CLA4601-219

Skyworks Solutions

PIN DIODE

DUAL

NO LEAD

2

YES

ROUND

CERAMIC, METAL-SEALED COFIRED

10 mA

SINGLE

KA BAND

POSITIVE-INTRINSIC-NEGATIVE

1

0 V

MICROWAVE

PIN Diodes

175 Cel

LIMITER

-65 Cel

O-CDMW-N2

2.5 ohm

Not Qualified

.12 pF

.005 us

15 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

500 MHz

CLA4603-000

Skyworks Solutions

PIN DIODE

UPPER

NO LEAD

1

YES

SQUARE

UNSPECIFIED

10 mA

SINGLE

KA BAND

.15 pF

POSITIVE-INTRINSIC-NEGATIVE

1

UNCASED CHIP

PIN Diodes

175 Cel

LIMITER

-65 Cel

S-XUUC-N1

2 ohm

CATHODE

Not Qualified

.005 us

20 V

40

260

SILICON

100 MHz

CLA4609-240

Skyworks Solutions

PIN DIODE

DUAL

FLAT

2

YES

ROUND

CERAMIC, METAL-SEALED COFIRED

10 mA

SINGLE

KA BAND

POSITIVE-INTRINSIC-NEGATIVE

1

0 V

MICROWAVE

PIN Diodes

175 Cel

LIMITER

-65 Cel

O-CDMW-F2

1.5 ohm

Not Qualified

.26 pF

1.17 us

250 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

500 MHz

RN141CMT2R

ROHM

PIN DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

3 mA

SINGLE

VERY HIGH FREQUENCY

.8 pF

POSITIVE-INTRINSIC-NEGATIVE

1

1 V

SMALL OUTLINE

150 Cel

SWITCHING

TIN

R-PDSO-F2

2 ohm

HIGH RELIABILITY

50 V

e3

SILICON

100 MHz

SMP1307-005LF

Skyworks Solutions

PIN DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

100 mA

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

HIGH FREQUENCY TO L BAND

.3 pF

POSITIVE-INTRINSIC-NEGATIVE

2

SMALL OUTLINE

PIN Diodes

150 Cel

ATTENUATOR

Matte Tin (Sn)

R-PDSO-G3

3 ohm

1

Not Qualified

.25 W

LOW DISTORTION

1.5 us

200 V

e3

40

260

SILICON

100 MHz

SMP1322-005LF

Skyworks Solutions

PIN DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

1 mA

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

HIGH FREQUENCY TO S BAND

1 pF

POSITIVE-INTRINSIC-NEGATIVE

2

SMALL OUTLINE

PIN Diodes

150 Cel

SWITCHING

-65 Cel

Matte Tin (Sn)

R-PDSO-G3

1.5 ohm

1

Not Qualified

.75 W

.4 us

50 V

e3

40

260

SILICON

100 MHz

SMP1322-079LF

Skyworks Solutions

PIN DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

1 mA

SINGLE

HIGH FREQUENCY TO S BAND

1 pF

POSITIVE-INTRINSIC-NEGATIVE

1

SMALL OUTLINE

PIN Diodes

150 Cel

SWITCHING

-65 Cel

MATTE TIN

R-PDSO-F2

1.5 ohm

1

Not Qualified

.75 W

.4 us

50 V

e3

40

260

SILICON

100 MHz

SMP1331-085LF

Skyworks Solutions

PIN DIODE

DUAL

NO LEAD

2

YES

SQUARE

PLASTIC/EPOXY

1 mA

SINGLE

HIGH FREQUENCY TO C BAND

.35 pF

POSITIVE-INTRINSIC-NEGATIVE

1

30 V

SMALL OUTLINE

150 Cel

ATTENUATOR; SWITCHING

-40 Cel

S-PDSO-N2

14.5 ohm

CATHODE

2.5 W

LOW DISTORTION

.6 us

NOT SPECIFIED

NOT SPECIFIED

SILICON

100 MHz

SMP1340-079LF

Skyworks Solutions

PIN DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

HIGH FREQUENCY TO S BAND

.3 pF

POSITIVE-INTRINSIC-NEGATIVE

1

5 V

SMALL OUTLINE

PIN Diodes

150 Cel

SWITCHING

Matte Tin (Sn)

R-PDSO-F2

1.2 ohm

1

Not Qualified

.25 W

.21 pF

.1 us

50 V

e3

40

260

SILICON

100 MHz

5082-3081

Broadcom

PIN DIODE

AXIAL

WIRE

2

NO

ROUND

GLASS

100 mA

SINGLE

.4 pF

POSITIVE-INTRINSIC-NEGATIVE

1

50 V

LONG FORM

PIN Diodes

150 Cel

ATTENUATOR; SWITCHING

-65 Cel

TIN LEAD

O-LALF-W2

3.5 ohm

1

ISOLATED

Not Qualified

.25 W

.4 pF

LOW HARMONIC DISTORTION

2.5 us

100 V

e0

SILICON

100 MHz

APD0510-000

Skyworks Solutions

PIN DIODE

UPPER

NO LEAD

1

YES

SQUARE

UNSPECIFIED

10 mA

SINGLE

KA BAND

.1 pF

POSITIVE-INTRINSIC-NEGATIVE

1

UNCASED CHIP

PIN Diodes

175 Cel

ATTENUATOR; SWITCHING

S-XUUC-N1

1.5 ohm

CATHODE

Not Qualified

LOW DISTORTION

.09 us

50 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

500 MHz

APD0520-000

Skyworks Solutions

PIN DIODE

UPPER

NO LEAD

1

YES

SQUARE

UNSPECIFIED

10 mA

SINGLE

KA BAND

.2 pF

POSITIVE-INTRINSIC-NEGATIVE

1

UNCASED CHIP

PIN Diodes

175 Cel

ATTENUATOR; SWITCHING

S-XUUC-N1

1 ohm

CATHODE

Not Qualified

LOW DISTORTION

.12 us

50 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

500 MHz

APD0520-219

Skyworks Solutions

PIN DIODE

UPPER

NO LEAD

1

YES

SQUARE

UNSPECIFIED

SINGLE

KA BAND

POSITIVE-INTRINSIC-NEGATIVE

1

UNCASED CHIP

ATTENUATOR; SWITCHING

S-XUUC-N1

1 ohm

Not Qualified

50 us

50 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

APD1510-000

Skyworks Solutions

PIN DIODE

UPPER

NO LEAD

1

YES

SQUARE

UNSPECIFIED

10 mA

SINGLE

KA BAND

.1 pF

POSITIVE-INTRINSIC-NEGATIVE

1

UNCASED CHIP

PIN Diodes

175 Cel

ATTENUATOR; SWITCHING

S-XUUC-N1

2 ohm

Not Qualified

LOW DISTORTION

.3 us

200 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

500 MHz

APD1520-000

Skyworks Solutions

PIN DIODE

UPPER

NO LEAD

1

YES

SQUARE

UNSPECIFIED

10 mA

SINGLE

KA BAND

.2 pF

POSITIVE-INTRINSIC-NEGATIVE

1

UNCASED CHIP

PIN Diodes

175 Cel

ATTENUATOR; SWITCHING

-65 Cel

S-XUUC-N1

1.2 ohm

Not Qualified

LOW DISTORTION

.9 us

200 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

500 MHz

ASML-5829-BLKG

Broadcom

PIN DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.375 pF

POSITIVE-INTRINSIC-NEGATIVE

2

SMALL OUTLINE

150 Cel

LIMITER

MATTE TIN

R-PDSO-G3

2.5 ohm

1

Not Qualified

.2 us

100 V

e3

SILICON

CLA4604-219

Skyworks Solutions

PIN DIODE

DUAL

NO LEAD

2

YES

ROUND

CERAMIC, METAL-SEALED COFIRED

10 mA

SINGLE

KA BAND

POSITIVE-INTRINSIC-NEGATIVE

1

0 V

MICROWAVE

PIN Diodes

175 Cel

LIMITER

-65 Cel

O-CDMW-N2

2.5 ohm

Not Qualified

.12 pF

.007 us

30 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

500 MHz

CLA4608-085LF

Skyworks Solutions

PIN DIODE

YES

10 mA

1

38 V

PIN Diodes

150 Cel

-40 Cel

1.2 ohm

1

.6 pF

.1 us

120 V

260

SILICON

500 MHz

HSMP-3824-TR2G

Broadcom

PIN DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

10 mA

COMMON CATHODE, 2 ELEMENTS

.8 pF

POSITIVE-INTRINSIC-NEGATIVE

2

20 V

SMALL OUTLINE

PIN Diodes

150 Cel

SWITCHING

NICKEL PALLADIUM GOLD

R-PDSO-G3

.6 ohm

1

Not Qualified

.25 W

.6 pF

LOW DISTORTION

.07 us

50 V

e4

20

260

SILICON

100 MHz

HSMP-3833-BLKG

Broadcom

PIN DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

100 mA

COMMON ANODE, 2 ELEMENTS

.3 pF

POSITIVE-INTRINSIC-NEGATIVE

2

50 V

SMALL OUTLINE

PIN Diodes

150 Cel

ATTENUATOR; SWITCHING

NICKEL PALLADIUM GOLD

R-PDSO-G3

1.5 ohm

1

Not Qualified

.25 W

.3 pF

LOW DISTORTION

.5 us

200 V

e4

20

260

SILICON

100 MHz

HSMP-386L-TR1G

Broadcom

PIN DIODE

DUAL

GULL WING

6

YES

RECTANGULAR

PLASTIC/EPOXY

SEPARATE, 3 ELEMENTS

POSITIVE-INTRINSIC-NEGATIVE

3

50 V

SMALL OUTLINE

PIN Diodes

150 Cel

ATTENUATOR; SWITCHING

MATTE TIN

R-PDSO-G6

1

Not Qualified

.2 pF

LOW DISTORTION

.5 us

50 V

e3

20

260

SILICON

RN142SMT2R

ROHM

PIN DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

10 mA

SINGLE

VERY HIGH FREQUENCY

.45 pF

POSITIVE-INTRINSIC-NEGATIVE

1

1 V

SMALL OUTLINE

150 Cel

SWITCHING

TIN

R-PDSO-F2

2 ohm

HIGH RELIABILITY

60 V

e3

SILICON

100 MHz

SMP1304-085LF

Skyworks Solutions

PIN DIODE

DUAL

NO LEAD

2

YES

SQUARE

PLASTIC/EPOXY

1 mA

SINGLE

HIGH FREQUENCY TO C BAND

.3 pF

POSITIVE-INTRINSIC-NEGATIVE

1

30 V

SMALL OUTLINE

PIN Diodes

150 Cel

ATTENUATOR; SWITCHING

S-PDSO-N2

2 ohm

1

CATHODE

3 W

.23 pF

LOW DISTORTION

1 us

200 V

260

SILICON

100 MHz

SMP1304-087LF

Skyworks Solutions

PIN DIODE

POSITIVE-INTRINSIC-NEGATIVE

1

260

SILICON

SMP1320-040LF

Skyworks Solutions

PIN DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

PLASTIC/EPOXY

10 mA

SINGLE

S BAND

.25 pF

POSITIVE-INTRINSIC-NEGATIVE

1

30 V

CHIP CARRIER

PIN Diodes

175 Cel

SWITCHING

R-PBCC-N2

.9 ohm

1

Not Qualified

.75 W

.23 pF

.4 us

50 V

40

260

SILICON

100 MHz

SMP1320-077LF

Skyworks Solutions

PIN DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

10 mA

SINGLE

HIGH FREQUENCY TO S BAND

.45 pF

POSITIVE-INTRINSIC-NEGATIVE

1

30 V

SMALL OUTLINE

PIN Diodes

150 Cel

SWITCHING

Tin (Sn)

R-PDSO-G3

.9 ohm

1

ISOLATED

Not Qualified

.25 W

.3 pF

.4 us

50 V

e3

40

260

SILICON

100 MHz

SMP1321-005LF

Skyworks Solutions

PIN DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

HIGH FREQUENCY TO S BAND

.25 pF

POSITIVE-INTRINSIC-NEGATIVE

2

SMALL OUTLINE

SWITCHING

Matte Tin (Sn)

R-PDSO-G3

2 ohm

1

ISOLATED

Not Qualified

.25 W

.4 us

e3

40

260

SILICON

SMP1321-040LF

Skyworks Solutions

PIN DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

HIGH FREQUENCY TO S BAND

.25 pF

POSITIVE-INTRINSIC-NEGATIVE

1

CHIP CARRIER

175 Cel

SWITCHING

R-PBCC-N2

2 ohm

1

Not Qualified

.75 W

.4 us

40

260

SILICON

SMP1325-085LF

Skyworks Solutions

PIN DIODE

DUAL

C BEND

2

YES

SQUARE

PLASTIC/EPOXY

100 mA

SINGLE

HIGH FREQUENCY TO C BAND

.65 pF

POSITIVE-INTRINSIC-NEGATIVE

1

20 V

SMALL OUTLINE

PIN Diodes

150 Cel

ATTENUATOR; SWITCHING

S-PDSO-C2

.5 ohm

1

CATHODE

3 W

.56 pF

LOW DISTORTION

5 us

200 V

260

SILICON

100 MHz

SMP1331-040LF

Skyworks Solutions

PIN DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

PLASTIC/EPOXY

1 mA

SINGLE

HIGH FREQUENCY TO X BAND

.35 pF

POSITIVE-INTRINSIC-NEGATIVE

1

30 V

CHIP CARRIER

150 Cel

ATTENUATOR; SWITCHING

-65 Cel

R-PBCC-N2

14.5 ohm

.25 W

.18 pF

LOW DISTORTION

.6 us

NOT SPECIFIED

NOT SPECIFIED

SILICON

100 MHz

SMP1334-084LF

Skyworks Solutions

PIN DIODE

SINGLE

.45 pF

POSITIVE-INTRINSIC-NEGATIVE

1

20 ohm

1

260

SILICON

SMP1340-040LF

Skyworks Solutions

PIN DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

UNSPECIFIED

5 mA

SINGLE

S BAND

.3 pF

POSITIVE-INTRINSIC-NEGATIVE

1

5 V

CHIP CARRIER

PIN Diodes

175 Cel

SWITCHING

-55 Cel

R-XBCC-N2

1.2 ohm

1

Not Qualified

.75 W

.21 pF

.1 us

50 V

40

260

SILICON

100 MHz

SMP1345-004LF

Skyworks Solutions

PIN DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON CATHODE, 2 ELEMENTS

C BAND

.2 pF

POSITIVE-INTRINSIC-NEGATIVE

2

SMALL OUTLINE

ATTENUATOR; SWITCHING

Matte Tin (Sn)

R-PDSO-G3

2 ohm

1

ISOLATED

Not Qualified

.25 W

.1 us

e3

40

260

SILICON

SMP1345-518

Skyworks Solutions

PIN DIODE

BOTTOM

BUTT

4

YES

RECTANGULAR

PLASTIC/EPOXY

RING, 4 ELEMENTS

C BAND

.2 pF

POSITIVE-INTRINSIC-NEGATIVE

4

GRID ARRAY

ATTENUATOR; SWITCHING

R-PBGA-B4

2 ohm

1

ISOLATED

Not Qualified

.25 W

.1 us

30

260

SILICON

SMP1352-005LF

Skyworks Solutions

PIN DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

HIGH FREQUENCY TO S BAND

.35 pF

POSITIVE-INTRINSIC-NEGATIVE

2

SMALL OUTLINE

SWITCHING

R-PDSO-G3

1.35 ohm

Not Qualified

.25 W

LOW DISTORTION

1 us

NOT SPECIFIED

NOT SPECIFIED

SILICON

UMX9989AP

Microchip Technology

PIN DIODE

END

WRAP AROUND

2

YES

ROUND

UNSPECIFIED

SERIES CONNECTED, 2 ELEMENTS

VERY HIGH FREQUENCY

.4 V

8 pF

POSITIVE-INTRINSIC-NEGATIVE

2

LONG FORM

Other Diodes

150 Cel

GENERAL PURPOSE

-65 Cel

O-XELF-R2

ISOLATED

4 pF

2 A

SILICON

BAP64-03,115

NXP Semiconductors

PIN DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

.5 mA

SINGLE

S BAND

.35 pF

POSITIVE-INTRINSIC-NEGATIVE

1

SMALL OUTLINE

PIN Diodes

150 Cel

ATTENUATOR; SWITCHING

-65 Cel

TIN

R-PDSO-G2

1.35 ohm

1

Not Qualified

.5 W

.52 pF

HIGH VOLTAGE

1.55 us

175 V

e3

30

260

SILICON

100 MHz

GC4430-00

Microchip Technology

PIN DIODE

UPPER

NO LEAD

1

YES

SQUARE

UNSPECIFIED

100 mA

SINGLE

ULTRA HIGH FREQUENCY TO KU BAND

.1 pF

POSITIVE-INTRINSIC-NEGATIVE

1

50 V

UNCASED CHIP

150 Cel

ATTENUATOR; SWITCHING

-55 Cel

Gold (Au)

S-XUUC-N1

1.5 ohm

Not Qualified

HIGH RELIABILITY, LOW DISTORTION

.6 us

300 V

e4

SILICON

100 MHz

MIL-19500

GC4701-6LP

Microchip Technology

PIN DIODE

DUAL

NO LEAD

6

YES

SQUARE

PLASTIC/EPOXY

10 mA

SINGLE

X BAND

.4 pF

POSITIVE-INTRINSIC-NEGATIVE

1

16 V

SMALL OUTLINE

150 Cel

ATTENUATOR; LIMITER

-55 Cel

S-PDSO-N6

2 ohm

.45 pF

.01 us

20 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

1000 MHz

GC4750-42

Microchip Technology

PIN DIODE

END

NO LEAD

2

YES

ROUND

UNSPECIFIED

SINGLE

KU BAND

POSITIVE-INTRINSIC-NEGATIVE

1

MICROWAVE

LIMITER

O-XEMW-N2

Not Qualified

250 V

SILICON

GC4941-12

Microchip Technology

PIN DIODE

UNSPECIFIED

FLAT

2

YES

UNSPECIFIED

UNSPECIFIED

10 mA

SINGLE

KU BAND

.06 pF

POSITIVE-INTRINSIC-NEGATIVE

1

10 V

MICROWAVE

PIN Diodes

150 Cel

ATTENUATOR; SWITCHING

GOLD

X-XXMW-F2

1.5 ohm

Not Qualified

.06 pF

.05 us

50 V

e4

SILICON

2200 MHz

MA4AGBLP912

TE Connectivity

PIN DIODE

20 mA

5 V

PIN Diodes

125 Cel

4.9 ohm

.02 pF

.005 us

50 V

10000 MHz

MA4L021-120

M/a-com Technology Solutions

PIN DIODE

END

NO LEAD

2

YES

ROUND

CERAMIC, METAL-SEALED COFIRED

SINGLE

HIGH FREQUENCY TO KU BAND

POSITIVE-INTRINSIC-NEGATIVE

1

MICROWAVE

175 Cel

LIMITER

O-CEMW-N2

Not Qualified

LOW LEAKAGE

35 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

MA4P604-255

M/a-com Technology Solutions

PIN DIODE

END

NO LEAD

2

YES

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

100 mA

SINGLE

.3 pF

POSITIVE-INTRINSIC-NEGATIVE

1

DISK BUTTON

PIN Diodes

175 Cel

SWITCHING

R-CEDB-N2

1 ohm

CATHODE

Not Qualified

HIGH RELIABILITY, HIGH VOLTAGE, LOW LEAKAGE CURRENT

3 us

1000 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

MA4P7104F-1072T

TE Connectivity

PIN DIODE

YES

100 mA

100 V

PIN Diodes

175 Cel

.5 ohm

1 pF

2.5 us

400 V

100 MHz

MA4P7461F-1072T

TE Connectivity

PIN DIODE

YES

100 mA

100 V

PIN Diodes

125 Cel

.5 ohm

1 pF

6 us

100 V

100 MHz

PIN Diodes

PIN diodes are electronic components that are used in microwave and radio frequency applications as switches or attenuators. They are named after their structure, which consists of a P-type layer, an intrinsic layer, and an N-type layer.

PIN diodes operate based on the properties of their intrinsic layer, which has a low doping density, making it highly resistive. When a forward-bias voltage is applied to the diode, the intrinsic layer becomes less resistive, allowing current to flow through the diode. When a reverse-bias voltage is applied to the diode, the intrinsic layer becomes highly resistive, acting as an open switch or attenuator for microwave and radio frequency signals.

PIN diodes offer several advantages over other types of switches and attenuators, such as low insertion loss, high isolation, and fast switching speed. They can be used in various applications, such as radio frequency amplifiers, attenuators, switches, and phase shifters.

PIN diodes come in different package sizes and configurations, 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.