2SA1931,Q(J

Single Bipolar Transistors Overview

The Toshiba 2SA1931 is a high-current PNP silicon epitaxial transistor designed for switching applications. It features a maximum collector current of 5 A and a collector-emitter voltage rating of 50 V, housed in a TO-220NIS through-hole package. The device exhibits a low saturation voltage of 0.4 V maximum at 2 A and a transition frequency of 60 MHz. It supports a junction temperature up to 150 °C and offers a complementary match with the 2SC4881 NPN transistor.

Single Bipolar Transistors Feature Summary

• Low collector-emitter saturation voltage for efficient power handling
• High-speed switching capability with typical storage time of 1.0 μs
• Complementary pairing with the 2SC4881 NPN transistor

Single Bipolar Transistors Applications

• High-current switching circuits
• General-purpose amplification
• Power supply regulation

Single Bipolar Transistors Procurement Notes

Verify component authenticity against official Toshiba Semiconductor and Storage documentation before integration. Confirm that the specific ordering suffix matches the required lead-free finish or packaging variant. Ensure design parameters remain within absolute maximum ratings to maintain reliability standards.

Single Bipolar Transistors Selection Notes

Select this component for designs requiring robust high-current switching performance in a through-hole format. Consider its complementary relationship with the 2SC4881 for push-pull configurations. Evaluate thermal management requirements given the 2 W power dissipation limit at 25°C case temperature.

Single Bipolar Transistors Part Context

This part belongs to the Toshiba high-current switching transistor series utilizing PCT process technology. It serves as a general-purpose discrete semiconductor device suitable for industrial and consumer electronics where reliable high-current control is necessary.

Single Bipolar Transistors Replacement Considerations

The datasheet identifies the 2SC4881 as the complementary counterpart. No direct single-part replacements are listed; verify pinout and electrical compatibility if substituting with other high-current PNP transistors.