2SD18210RL

Single Bipolar Transistors Overview

The Panasonic 2SD1821 is a silicon NPN epitaxial planar transistor designed for high breakdown voltage, low-frequency, and low-noise amplification. It features a collector-emitter voltage of 150 V, a collector current of 50 mA, and a transition frequency of 150 MHz. The device utilizes an SMini3-G1 surface-mount package with a base-emitter-collector pinout. Electrical characteristics include a forward current transfer ratio ranging from 130 to 330 based on rank classification and a noise voltage of 150 mV under specified conditions.

Single Bipolar Transistors Feature Summary

• High collector-emitter voltage capability for robust operation in demanding circuits
• Low noise voltage performance suitable for sensitive signal amplification
• Compact SMini3-G1 package enabling equipment downsizing and automated insertion

Single Bipolar Transistors Applications

• Low-frequency amplification stages
• Low-noise signal processing circuits
• General electronic equipment and measuring instruments

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix against official documentation to confirm exact packaging or binning requirements. Confirm current lifecycle status via manufacturer channels as products may be subject to planned maintenance or discontinuation. Ensure compliance with RoHS directives and verify absolute maximum ratings before integration into final designs.

Single Bipolar Transistors Selection Notes

Select this component when high breakdown voltage combined with low noise characteristics is required for low-frequency applications. Consider the SMini3-G1 package dimensions for space-constrained PCB layouts. Evaluate hFE rank requirements (R or S) to match circuit gain specifications accurately.

Single Bipolar Transistors Part Context

This part belongs to the Panasonic 2SD series of small-signal bipolar transistors. These components are widely used in consumer electronics and industrial control systems where reliable low-noise amplification is necessary. The SMini package family provides standardized footprints for automated manufacturing processes.

Single Bipolar Transistors Replacement Considerations

Consult official replacement lists for equivalent NPN transistors with matching voltage, current, and package specifications. Verify that alternative components meet the same low-noise and transition frequency requirements for direct substitution.