PIN Diodes

PIN diodes are type of diode (a device that transmits current primarily in one direction) with a wide area of pure semiconductor material in the middle. This area allows the PIN diode to store large amounts of charge. Unlike zener diodes, which generate low power to protect circuits from over-voltage, PIN diodes are specifically designed for use with in high-frequency or high-voltage applications.


How do PIN diodes work?

A PIN diode works using what is known as high-level injection: it will only start to conduct current once the central area of pure semiconductor material reaches a certain level of charge. Because this creates an electrical field that extends deep into the area, it speeds up the transport of charge carriers from one end of the diode to the other. This in turn speeds up the diode's performances.


Applications for PIN diodes

PIN diodes are often used in RF protection circuits, attenuators, fast switches, photo detectors and high-voltage electronics applications. 


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Description Price Diode Configuration Application Number of Elements per Chip Maximum Forward Current Maximum Reverse Voltage Typical Carrier Life Time Maximum Forward Voltage Mounting Type Package Type Pin Count Maximum Diode Capacitance Maximum Series Resistance @ Maximum IF Dimensions Height
RS Stock No. 812-0525
Mfr. Part No.HSMP-3814-BLKG
BrandBroadcom
$1.692
Each (In a Pack of 5)
units
Common Cathode Attenuator 2 1A 50V 1500ns - Surface Mount SOT-23 3 0.35pF 10 Ω@ 20 mA 3.13 x 1.5 x 1.2mm 1.2mm
RS Stock No. 621-8774
Mfr. Part No.HSMP-3820-BLKG
BrandBroadcom
$0.366
Each (In a Pack of 5)
units
Single Switch 1 - 50V 0.07µs - Surface Mount SOT-23 3 0.8pF 0.6 Ω@ 10 mA 3.13 x 1.5 x 1.2mm 1.2mm