2SA1244-Y(Q)

Single Bipolar Transistors Overview

The 2SA1244-Y(Q) is a PNP silicon epitaxial planar transistor manufactured by Toshiba Semiconductor and Storage. Designed for high current switching applications, it features a low collector saturation voltage of -0.4 V maximum at an IC of -3 A. The device exhibits a typical storage time of 1.0 μs, ensuring high-speed performance. It serves as the complementary counterpart to the 2SC3074 NPN transistor. The component is housed in a TO-3PML package, suitable for robust power switching environments requiring reliable bipolar junction transistor operation.

Single Bipolar Transistors Feature Summary

• Optimized for high current switching applications with significant load handling capability
• Achieves low collector saturation voltage to minimize power loss during conduction
• Provides high-speed switching characteristics with reduced storage time for efficient operation

Single Bipolar Transistors Applications

• High current switching circuits
• Complementary pairs with 2SC3074 in power stages
• Power supply output stages

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'Y(Q)' against official Toshiba Semiconductor and Storage documentation to confirm exact binning or quality grade variations. Ensure the ordering part number matches the required package type and electrical specifications precisely. Cross-reference the manufacturer's latest datasheet to validate compliance with current environmental standards and availability status before finalizing procurement decisions.

Single Bipolar Transistors Selection Notes

Select this component when designing circuits requiring a PNP transistor capable of handling high currents with minimal saturation voltage drop. Its high-speed switching profile makes it suitable for applications demanding rapid transition times. Consider its complementary relationship with the 2SC3074 for balanced push-pull configurations. Evaluate thermal management requirements based on the TO-3PML package capabilities and expected operating conditions.

Single Bipolar Transistors Part Context

This device belongs to the family of bipolar small-signal transistors designed for power switching. It utilizes silicon epitaxial planar technology to deliver consistent performance in high-current scenarios. The product line emphasizes reliability and speed, targeting industrial and consumer electronics applications where efficient power control is critical. It represents a standard solution for discrete power switching needs within the manufacturer's portfolio.

Single Bipolar Transistors Replacement Considerations

The 2SC3074 is documented as the complementary NPN counterpart, not a direct substitute. For replacement, verify equivalent PNP transistors with matching current ratings, saturation voltage limits, and switching speeds from the same manufacturer or qualified alternatives.