2SD21850RL

Single Bipolar Transistors Overview

The Panasonic 2SD21850RL is a silicon NPN epitaxial planar transistor designed for low-frequency output amplification. It operates with a collector-emitter voltage of 50 V and a continuous collector current of 3 A, reaching a peak of 4 A. The device features a MiniP3-F1 package to facilitate equipment downsizing and automated insertion via tape or magazine packing. Key electrical characteristics include a transition frequency of 120 MHz and a minimum forward current transfer ratio (hFE) of 120 at 200 mA.

Single Bipolar Transistors Feature Summary

• Low collector-emitter saturation voltage
• Mini Power type package for equipment downsizing
• Supports automatic insertion through tape and magazine packing

Single Bipolar Transistors Applications

• Low-frequency output amplification
• General electronic equipment
• Office equipment
• Communications equipment
• Measuring instruments

Single Bipolar Transistors Procurement Notes

Verify the exact ordering suffix against official Panasonic documentation to confirm packaging specifications such as tape width or reel quantity. Confirm the component lifecycle status, as this model may be subject to maintenance or discontinuation plans. Ensure compliance with RoHS directives and verify that the specific batch meets the required hFE rank classification for your circuit design.

Single Bipolar Transistors Selection Notes

Select this component when a low-frequency NPN power transistor with a compact MiniP3-F1 footprint is required. Consider its 50 V rating and 3 A continuous current capacity for standard amplifier applications. Evaluate the hFE rank requirements based on the specific gain needed in the target circuit configuration.

Single Bipolar Transistors Part Context

This component belongs to the Panasonic 2SD2185 series of silicon NPN transistors. It serves as the complementary counterpart to the 2SB1440 PNP transistor. The series is engineered for general-purpose low-frequency output amplification tasks within consumer and industrial electronics.

Single Bipolar Transistors Replacement Considerations

Consult official Panasonic replacement guides for verified substitutes. Verify pinout compatibility and thermal performance if replacing with other MiniP3-F1 packaged transistors.

Single Bipolar Transistors FAQ

What is the maximum collector-base voltage rating?

The maximum collector-base voltage (V_CBO) is rated at 50 V.

Does the 2SD21850RL support automated assembly processes?

Yes, the MiniP3-F1 package allows for automatic insertion through tape packing and magazine packing.

What is the typical transition frequency of this transistor?

The transition frequency (f_T) is typically 120 MHz under specified test conditions.