SMV1801-079LF

Product Overview

The SMV1801-079LF belongs to the category of RF PIN diodes and is commonly used in various applications such as RF switches, attenuators, phase shifters, and limiters. These diodes are known for their high linearity, low insertion loss, and fast switching characteristics. The package typically consists of a surface mount SOD-323 package, and they are available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Frequency Range: 100 MHz to 3 GHz
• Reverse Voltage: 20 V
• Capacitance (at 0 V, 1 MHz): 0.25 pF
• Insertion Loss (at 2 GHz, 10 mA): 0.5 dB
• Isolation (at 2 GHz, 10 mA): 35 dB
• Switching Time (Ton/Toff at 2 GHz, 10 mA): 4 ns
• Power Handling (CW at 25°C): 100 mW

Detailed Pin Configuration

The SMV1801-079LF has a standard SOD-323 package with three pins: anode, cathode, and ground. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode - Pin 3: Ground

Functional Features

• High linearity and low distortion
• Fast switching speed
• Low insertion loss and high isolation
• Wide frequency range

Advantages and Disadvantages

Advantages

• Excellent linearity for RF applications
• Fast response time
• Low insertion loss
• Compact surface mount package

Disadvantages

• Limited power handling capacity
• Higher capacitance compared to some alternative models

Working Principles

The SMV1801-079LF operates based on the principle of controlling the flow of RF signals through the diode's forward and reverse bias conditions. When biased in the forward direction, the diode conducts and allows RF signals to pass through with minimal loss. In the reverse bias condition, the diode acts as a capacitor, providing high isolation between the input and output ports.

Detailed Application Field Plans

The SMV1801-079LF finds extensive use in RF communication systems, radar systems, wireless infrastructure, and test and measurement equipment. It is commonly employed in RF switches for signal routing, attenuators for signal level control, phase shifters for beamforming applications, and limiters for signal protection.

Detailed and Complete Alternative Models

Some alternative models to the SMV1801-079LF include: - MA4P4002B-1072T: A similar RF PIN diode with lower capacitance and higher power handling capability. - HSMP-3816: Another RF PIN diode with comparable performance characteristics and a different package type.

In conclusion, the SMV1801-079LF RF PIN diode offers high linearity, fast switching, and low insertion loss, making it suitable for various RF applications. While it has limitations in power handling and capacitance, it remains a popular choice for compact and high-performance RF designs.

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