2SD217700A

Single Bipolar Transistors Overview

The Panasonic 2SD2177 is a silicon NPN epitaxial planar transistor designed for low-frequency output amplification. It features a collector-emitter voltage (VCEO) of 50 V and a continuous collector current (IC) rating of 2 A, with a peak current capability of 3 A. The device offers a low collector-emitter saturation voltage (VCE(sat)) of 0.15 V to 0.30 V at IC = 1 A. Electrical characteristics include a forward current transfer ratio (hFE) ranging from 80 to 340 depending on the rank, and a transition frequency (fT) of 110 MHz. It operates within a junction temperature range up to 150 °C.

Single Bipolar Transistors Feature Summary

• Low collector-emitter saturation voltage for efficient power handling
• Complementary pairing available with the 2SB1434 PNP transistor
• Radial taping supply option for automated assembly

Single Bipolar Transistors Applications

• Low-frequency output amplification circuits
• General electronic equipment
• Household appliances
• Office equipment

Single Bipolar Transistors Procurement Notes

Verify the current lifecycle status before procurement, as this component may be classified under maintenance or discontinued stages. Confirm that the specific application does not require automotive or aerospace-grade reliability, as the datasheet restricts these uses without prior consultation. Ensure the design complies with absolute maximum ratings to prevent failure.

Single Bipolar Transistors Selection Notes

Select the 2SD2177 for general-purpose low-frequency amplification where a 50 V collector-emitter voltage and 2 A continuous current are sufficient. Consider the hFE rank requirements based on the specific gain needs of the circuit. Ensure the thermal management design accommodates the 1 W power dissipation limit at ambient temperatures above 25 °C.

Single Bipolar Transistors Part Context

This component belongs to the Panasonic silicon NPN transistor family, specifically engineered for low-frequency applications. It serves as the complementary counterpart to the 2SB1434 PNP transistor, facilitating push-pull amplifier configurations. The device utilizes an MT-2-A1 package for standard mounting.

Single Bipolar Transistors Replacement Considerations

Consult official documentation for verified substitutes. No direct replacement part numbers are confirmed in the provided source material.