BA282 Technical Summary

Overview

The BA282 is a high-performance diode designed for applications requiring low differential forward resistance, minimal diode capacitance, and high reverse impedance. This component is particularly suited for band switching in VHF tuners, where precision and reliability are critical. Its robust electrical characteristics make it an excellent choice for RF and high-frequency applications.

Features

• Low Differential Forward Resistance: Ensures minimal power loss and efficient signal transmission.
• Low Diode Capacitance: Reduces signal distortion and improves high-frequency performance.
• High Reverse Impedance: Enhances isolation and minimizes leakage current in reverse bias conditions.
• Optimized for VHF Applications: Ideal for band switching in VHF tuners due to its high-speed switching characteristics.

Applications

The BA282 is primarily used in the following applications:

• Band Switching in VHF Tuners: Provides reliable switching for frequency band selection in very high-frequency tuners.
• RF Signal Processing: Suitable for circuits requiring fast switching and low capacitance.
• High-Frequency Circuits: Used in amplifiers, mixers, and other RF components where signal integrity is critical.

Electrical Characteristics

The following table outlines the key electrical characteristics of the BA282 diode under typical conditions (Tj = 25°C):

Absolute Maximum Ratings

• Reverse Voltage (VR): 35 V
• Forward Current (IF): 100 mA

Typical Performance Specifications

• Forward Voltage Drop (VF): Typically low, ensuring efficient operation in switching applications.
• Reverse Leakage Current (IR): Minimal, contributing to high reverse impedance.
• Junction Capacitance (Cj): Low, making it suitable for high-frequency applications.

Package Information

The BA282 is available in a compact, industry-standard package designed for easy integration into various circuit designs. The specific package type ensures optimal thermal performance and mechanical stability.

Package Dimensions

• Package Type: SOD-123 (or equivalent, depending on manufacturer specifications)
• Dimensions: Approximately 2.5mm x 1.3mm x 1.0mm (L x W x H)
• Lead Pitch: Standard pitch for surface-mount applications.

Reliability and Environmental Specifications

The BA282 is designed to meet stringent reliability standards, ensuring long-term performance in demanding environments.

• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -65°C to +175°C
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited floor life at ≤30°C/85% RH)

Conclusion

The BA282 is a versatile and high-performance diode optimized for VHF and RF applications. Its low forward resistance, minimal capacitance, and high reverse impedance make it an excellent choice for band switching and other high-frequency circuits. With robust electrical characteristics and a reliable package, the BA282 is well-suited for both commercial and industrial applications.