2SA2040-E

Single Bipolar Transistors Overview

The 2SA2040-E is a PNP silicon epitaxial planar transistor manufactured by onsemi, designed for general-purpose switching and amplification applications. It features a collector-emitter voltage rating of 50V and a continuous collector current capacity of 8A. The device offers a power dissipation of 1W and operates within a junction temperature range of -55°C to +150°C. Packaged in the IPAK (TP) format with three pins plus a tab, it provides robust reliability for industrial and consumer electronics. The component utilizes Pb-Free construction, ensuring compliance with environmental standards while maintaining high performance characteristics suitable for various electronic circuit designs.

Single Bipolar Transistors Feature Summary

• High current handling capability with an 8A collector current rating
• Wide operating temperature range supporting -55°C to +150°C junction temperatures
• Pb-Free construction compliant with environmental regulations
• Robust IPAK package design with integrated thermal tab

Single Bipolar Transistors Applications

• General-purpose switching circuits
• Amplifier stages in audio and signal processing
• Industrial control systems
• Consumer electronics power management

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix when sourcing this component. The base part number 2SA2040 may appear with different suffixes such as -E or -TL-E, which indicate variations in packaging type like bulk bags versus tape and reel. Confirm that the supplier provides the TP package variant for the standard 2SA2040-E designation. Ensure documentation confirms Pb-Free status if environmental compliance is required for your assembly process. Cross-reference the manufacturer's latest datasheet to confirm availability and any potential obsolescence notices before finalizing procurement plans.

Single Bipolar Transistors Selection Notes

Select the 2SA2040-E when a PNP transistor with moderate voltage ratings and high current capacity is required. Its 50V rating suits low-voltage DC applications, while the 8A current capability supports substantial load driving. Consider the IPAK package for its thermal performance compared to smaller surface-mount options. Evaluate the transition frequency and gain characteristics against your specific signal requirements. This component is appropriate for designs needing reliable general-purpose bipolar transistors without specialized RF or high-power MOSFET characteristics.

Single Bipolar Transistors Part Context

This component belongs to onsemi's lineup of general-purpose bipolar junction transistors. It serves as a complementary device to NPN counterparts in push-pull configurations. The 2SA series typically denotes PNP polarity in Japanese Industrial Standards (JIS) naming conventions adopted by many manufacturers. It fits within the broader category of discrete semiconductor devices used for fundamental logic and power control functions in mixed-signal circuits.

Single Bipolar Transistors Replacement Considerations

Direct substitutes include the 2SC5707-E, which shares identical electrical specifications but is an NPN variant requiring circuit topology adjustment. For pin-compatible replacements, verify other PNP transistors with matching 50V/8A ratings and similar package dimensions. Always validate thermal resistance and current gain curves against the original design requirements when substituting.