2N3501UB/TR Overview
The 2N3501UB/TR is a high-performance PNP bipolar junction transistor designed for general-purpose amplification and switching applications. Featuring a robust collector current capacity and reliable gain characteristics, it serves as a versatile solution in various industrial electronics circuits. Its TO-92 package ensures easy integration into through-hole PCB layouts, making it ideal for engineers seeking consistent performance and durability. Sourced from IC Manufacturer, this transistor supports moderate power handling with efficient thermal management, delivering dependable operation across a wide range of electronic designs.
2N3501UB/TR Key Features
- High collector current capability: Supports continuous collector currents up to 1A, enabling robust switching and amplification functions.
- Moderate power dissipation: Allows up to 800mW power handling, essential for maintaining stable operation under moderate load conditions.
- Reliable gain characteristics: Provides a DC current gain (hFE) suitable for linear amplification, enhancing signal integrity in analog circuits.
- TO-92 package design: Facilitates ease of mounting and soldering on through-hole printed circuit boards, improving assembly efficiency.
2N3501UB/TR Technical Specifications
| Parameter | Specification |
|---|---|
| Transistor Type | PNP Bipolar Junction |
| Collector-Emitter Voltage (VCEO) | -40 V |
| Collector-Base Voltage (VCBO) | -60 V |
| Emitter-Base Voltage (VEBO) | -5 V |
| Collector Current (IC) | -1 A (continuous) |
| Power Dissipation (Ptot) | 800 mW |
| DC Current Gain (hFE) | 40 to 300 (depending on IC and test conditions) |
| Transition Frequency (fT) | 100 MHz (typical) |
| Package Type | TO-92 |
2N3501UB/TR Advantages vs Typical Alternatives
This transistor offers a balanced combination of collector voltage rating, current capacity, and power dissipation in a compact TO-92 package, making it advantageous over other general-purpose PNP transistors. Its reliable current gain ensures improved signal amplification accuracy, while the moderate power handling supports stable operation in industrial switching and analog circuits. These features translate into enhanced integration flexibility and dependable performance for engineers seeking precise, efficient transistor solutions.
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Typical Applications
- General-purpose signal amplification in audio and low-frequency circuits, where stable gain and moderate power handling are critical for maintaining audio quality and fidelity.
- Switching applications in industrial control systems requiring reliable on/off transistor operation under varying load conditions.
- Driver stage in relay and solenoid circuits, providing sufficient current drive capability for electromechanical components.
- Voltage regulation and stabilization circuits, where the transistor operates as part of feedback or control loops to ensure consistent output voltage.
2N3501UB/TR Brand Info
The 2N3501UB/TR is offered by a reputable semiconductor manufacturer known for delivering robust electronic components tailored for industrial and commercial applications. This transistor is part of a well-established product line, recognized for its quality and reliability in demanding environments. The designation ??UB/TR?? indicates a tape and reel packaging suitable for automated assembly processes, aligning with modern manufacturing standards and ensuring consistent part handling and traceability.
FAQ
What type of transistor is the 2N3501UB/TR?
The device is a PNP bipolar junction transistor designed primarily for general-purpose amplification and switching. It features reliable current gain and voltage ratings suitable for a wide range of electronic circuit applications.
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What is the maximum collector current supported?
This transistor can handle a continuous collector current of up to 1 ampere, making it suitable for moderate power applications and ensuring robust switching and amplification performance.
Which package does this transistor come in, and why is it important?
It is housed in a TO-92 package, which is a compact, through-hole mounting format. This package facilitates easy soldering and integration on standard PCBs, beneficial for prototyping and production in industrial electronics.
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What are the voltage limits for safe operation?
The transistor supports a maximum collector-emitter voltage of -40 V and a collector-base voltage of -60 V. Staying within these voltage limits ensures device reliability and prevents breakdown during operation.
Is the 2N3501UB/TR suitable for high-frequency applications?
With a typical transition frequency around 100 MHz, this transistor can be used in moderate-frequency applications. However, it is primarily optimized for low to mid-frequency amplification and switching tasks rather than high-frequency RF circuits.





