2SD1994ASA

Single Bipolar Transistors Overview

The Panasonic 2SD1994ASA is a silicon NPN epitaxial planar transistor designed for low-frequency power strengthening and drive applications. It operates with a collector current of 1 A and withstands a collector-emitter voltage of 50 V. The device features a transition frequency of 200 MHz and utilizes the MT-2-A1 through-hole package. It is RoHS compliant and serves as the complementary component to the 2SB1322A.

Single Bipolar Transistors Feature Summary

• Low collector-emitter saturation voltage
• Radial taping supply capability

Single Bipolar Transistors Applications

• Low-frequency power strengthening
• Drive circuits
• General electronic equipment

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix 'ASA' against official Panasonic documentation, as datasheets may reference only the base model number. Confirm the current lifecycle status on the manufacturer's website, as this product line includes maintenance or discontinued classifications. Ensure compliance with standard application guidelines and avoid use in safety-critical systems without prior consultation.

Single Bipolar Transistors Selection Notes

Select this component for general-purpose low-frequency amplification where moderate current handling is required. Consider its complementary relationship with the 2SB1322A for push-pull configurations. Evaluate thermal management requirements based on the 1 W collector power dissipation rating at 25°C ambient temperature.

Single Bipolar Transistors Part Context

This part belongs to the Panasonic 2SD1994 series of small-signal power transistors. These devices are engineered for robust performance in consumer electronics and industrial control equipment. The series emphasizes reliable switching characteristics and stable forward current transfer ratios across varying operating temperatures.

Single Bipolar Transistors Replacement Considerations

The 2SB1322A is documented as the complementary PNP transistor for this series.