2SD400E-MP-AE

Overview

The 2SD400E-MP-AE is a single NPN silicon bipolar junction transistor manufactured by onsemi. It belongs to the discrete semiconductor product category, specifically classified under single bipolar transistors. The component is designed for general electronic applications requiring standard switching or amplification capabilities typical of NPN silicon devices. As indicated in available documentation, it represents a standard commercial-grade transistor configuration without specific automotive or industrial qualification markings in its part number suffix.

Feature Summary

• Utilizes NPN silicon construction for reliable current amplification and switching operations
• Configured as a single discrete bipolar junction transistor for circuit integration
• Designed for standard through-hole or surface-mount mounting depending on package variant

Applications

• General-purpose signal amplification circuits
• Standard electronic switching applications
• Consumer electronics internal control logic

Procurement Notes

Verify the exact physical package type and pinout configuration prior to procurement, as generic listings may not specify the mechanical footprint. Confirm that the MP-AE suffix denotes the standard commercial grade variant rather than a specialized reliability tier. Ensure compatibility with existing board layouts by checking dimensional tolerances against the official datasheet specifications for the specific package style associated with this part number.

Selection Notes

Select this component when a standard NPN silicon BJT is required for basic amplification or switching tasks in non-critical environments. Consider thermal management requirements based on the expected power dissipation in the target application. Evaluate alternative packages if space constraints differ from the standard form factor. This device serves as a fundamental building block for analog and digital interface circuits where high-frequency performance is not the primary design constraint.

Part Context

This transistor falls within onsemi's broad portfolio of discrete semiconductors, which includes various types of diodes, MOSFETs, and IGBTs. While onsemi is known for specialized automotive and industrial solutions, this specific part represents a standard commercial-grade bipolar transistor. It is distinct from their wide-bandgap or high-power modules, serving instead as a common component for general electronic manufacturing and assembly processes.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Engineers should consult official cross-reference databases or manufacturer guidelines to identify equivalent NPN silicon transistors with matching electrical characteristics and package dimensions before substituting this component.