SOD-323 PIN Diodes

Description

SOD-323 PIN diodes are semiconductor devices that feature a small outline diode (SOD) package, specifically the SOD-323 type. These diodes are designed to function as variable resistors at radio and microwave frequencies. They are characterized by their compact size, making them suitable for applications where space is a constraint.

Working Principle

PIN diodes operate by having an intrinsic semiconductor layer sandwiched between p-type and n-type semiconductor layers. This intrinsic layer allows the diode to function as a variable resistor, with its resistance value determined by the forward biased direct current. The wide intrinsic region in PIN diodes provides a greater separation between the p and n regions, allowing them to handle higher reverse voltages. This makes them particularly useful in RF applications, where they can control large radio frequency signals with minimal direct current excitation, without introducing distortion to the RF signal.

Applications

SOD-323 PIN diodes are commonly used in RF applications due to their low capacitance and switching properties. They are suitable for use in RF switches and variable attenuators. Specific examples include their use in cellular infrastructure, 5G technology, and military applications, where high linearity and low insertion loss are critical.

Advantages over other PIN Diodes

The SOD-323 package offers a compact form factor, which is advantageous in applications where space is limited. Additionally, these diodes can handle high power levels, such as 100 W pulsed power, while maintaining high linearity and low insertion loss, making them superior in applications requiring these specific characteristics.

Limitations

One limitation of SOD-323 PIN diodes is their inferior performance as rectifiers compared to ordinary p-n diodes. This is due to the wide intrinsic region, which, while beneficial for RF applications, does not support efficient rectification.

Considerations

When considering SOD-323 PIN diodes, it is important to evaluate the initial costs and operating expenses, which can vary based on the specific application and power handling requirements. Durability and accuracy are generally high, given their design for RF applications. However, replacement and maintenance costs should be considered, especially in high-power applications where the diodes may be subjected to significant stress.

29 Results

View Datasheet

BA595E6327HTSA1 [BA595E6327HTSA1 from Infineon Technologies AG]
from Rochester Electronics

BA595 - PIN Diode [See More]

Package: SOD-323; SOD-323-2
RoHS Compliant: RoHS

Life Cycle Stage: Obsolete

PIN Diodes -- 2159907 [RN731VTE-17 from ROHM Semiconductor USA, LLC]
from RS Components, Ltd.

PIN Diode [See More]

Package: SOD-323; SOD-323FL
RoHS Compliant: RoHS

I_F: 50

RF Pin Diode, Antenna Switch -- BAR63-03W - Image

View Datasheet

RF Pin Diode, Antenna Switch -- BAR63-03W
from Infineon Technologies AG

This Infineon cost optimized RF PIN diode provides fast switching high-voltage handling capabilities, low power loss and is mostly suited for frequencies up to 3 GHz. Its low capacitance and very low resistance make it suitable for a diversity of switching applications, simplify design-in and... [See More]

Package: SOD-323; SOD323
I_F: 100