The CA3081E is a monolithic, seven-transistor array designed for a wide range of applications, particularly in instrumentation and control systems. Manufactured by Rochester Electronics, this device is a re-manufactured component, ensuring continued availability for systems where the original part is no longer in production.

Applications

• High-Voltage Analog Switching: The array can be configured to switch high-voltage analog signals with precision.
• Lamp and Relay Drivers: Each transistor can drive lamps or relays, allowing for control of external devices.
• Current Source Arrays: The matched transistor characteristics enable the creation of accurate current sources.
• Sense Amplifiers: Suitable for use in sense amplifier circuits where multiple gain stages are required.
• Thyristor Firing Circuits: The transistor array can be utilized in thyristor control circuits.

Features

• Seven Independent Transistors: Offers flexibility in circuit design with seven individual NPN transistors.
• Monolithic Construction: Ensures close matching of transistor parameters for consistent performance.
• High Voltage Capability: Designed to handle high voltage signal levels making it suitable for industrial applications.
• High-Current Capability: Each transistor can handle a relatively high current, allowing for driving various loads.
• Reliable Performance: Rochester Electronics re-manufactures this component to meet original specifications ensuring long-term reliability.

Benefits

• Versatility: The CA3081E can be used in a multitude of applications due to its seven independent transistors.
• Cost-Effectiveness: Provides a cost-effective solution for multiple transistor circuits.
• Space Saving: Integrates seven transistors into a single package, reducing board space.
• Ease of Design: The matched transistor characteristics simplify circuit design and analysis.
• Continued Availability: Rochester Electronics ensures the availability of this part, even when the original manufacturer has discontinued production.

Additional Details

The CA3081E is available in a 16-lead dual-in-line package (DIP). Key electrical specifications include a collector-to-emitter voltage (VCEO) rating suitable for many industrial applications, and a typical gain (hFE) that provides ample amplification. The operating temperature range allows for use in a variety of environments. This transistor array is particularly useful in older equipment or designs where a discrete transistor array is preferred or required for compatibility reasons. Proper heat sinking may be required depending on the current load.