2N4125 PBFREE

Single Bipolar Transistors Overview

The Central Semiconductor Corp 2N4125 PBFREE is a silicon NPN bipolar junction transistor designed for general-purpose amplification and switching applications. It features a collector-emitter voltage of 25 V, a collector-base voltage of 30 V, and an emitter-base voltage of 5 V. The device supports a maximum continuous DC collector current of 200 mA with a power dissipation rating of 625 mW. Key electrical characteristics include a transition frequency of 300 MHz and a DC current gain ranging from 120 to 360 at specified test conditions. It operates within a temperature range of -65°C to +150°C and utilizes a TO-92-3 through-hole package.

Single Bipolar Transistors Feature Summary

• Utilizes silicon planar technology for reliable performance in discrete semiconductor applications.
• Provides high DC current gain suitable for low-level signal amplification tasks.
• Features a robust thermal design allowing operation up to a junction temperature of 150°C.

Single Bipolar Transistors Applications

• General-purpose small-signal amplification circuits
• Electronic switching applications requiring moderate current handling
• Audio pre-amplifier stages

Single Bipolar Transistors Procurement Notes

Verify the specific suffix against official datasheets to confirm lead-free compliance and packaging type. Confirm that the TO-92-3 package matches your board layout requirements. Ensure the manufacturer designation aligns with Central Semiconductor Corp specifications before finalizing procurement orders.

Single Bipolar Transistors Selection Notes

Select this component when a standard NPN BJT with 200 mA collector current capability is required. Consider the 300 MHz transition frequency for high-frequency signal processing needs. Evaluate the TO-92-3 package constraints against available PCB space and thermal management strategies for the target application environment.

Single Bipolar Transistors Part Context

This part belongs to the 2N41 series of small-signal transistors manufactured by Central Semiconductor. It serves as a standard replacement for legacy NPN devices in consumer electronics and industrial control systems. The component represents the company's focus on providing reliable discrete semiconductors for diverse amplification and switching requirements.

Single Bipolar Transistors Replacement Considerations

Consult official substitution guides for equivalent NPN transistors with matching voltage and current ratings. Verify pinout compatibility for TO-92 packages before implementing any alternative components in existing designs.

Single Bipolar Transistors FAQ

What is the maximum collector-emitter voltage for the 2N4125?

The maximum collector-emitter voltage (VCEO) is 25 V.

Does the 2N4125 support surface mount installation?

No, the 2N4125 PBFREE is designed for through-hole mounting using a TO-92-3 package.

What is the typical DC current gain range?

The DC current gain (hFE) typically ranges from 120 to 360 under specified test conditions.