JANSL2N2221AUB/TR Overview
The JANSL2N2221AUB/TR is a widely recognized NPN bipolar junction transistor (BJT) designed primarily for general-purpose switching and amplification. It supports medium current and voltage ratings, making it suitable for various industrial and consumer electronics applications. Featuring reliable electrical characteristics and robust packaging, this transistor ensures consistent performance in low to moderate power circuits. As a standard component in many electronic designs, it offers engineers a dependable solution for signal amplification and switching tasks. For detailed component sourcing and specifications, visit the IC Manufacturer.
JANSL2N2221AUB/TR Key Features
- Medium Current Handling: Supports collector currents up to 800mA, enabling effective switching and amplification in moderate load applications.
- Voltage Rating: Collector-emitter voltage of 40V allows for operation in a wide range of circuit voltages without breakdown.
- High Gain: Current gain (hFE) ranges typically from 100 to 300, providing effective amplification of input signals.
- Robust Packaging: Packaged in a TO-92 style, supporting easy integration into through-hole PCB designs with reliable thermal dissipation.
JANSL2N2221AUB/TR Technical Specifications
| Parameter | Specification |
|---|---|
| Transistor Type | NPN Bipolar Junction Transistor |
| Collector-Emitter Voltage (Vce) | 40 V (maximum) |
| Collector Current (Ic) | 800 mA (maximum) |
| Gain Bandwidth Product (fT) | 300 MHz (typical) |
| DC Current Gain (hFE) | 100 to 300 (depending on operating conditions) |
| Power Dissipation (Pd) | 625 mW (maximum) |
| Emitter-Base Voltage (Veb) | 5 V (maximum) |
| Junction Temperature (Tj) | 150??C (maximum) |
| Package Type | TO-92 |
JANSL2N2221AUB/TR Advantages vs Typical Alternatives
This transistor offers a balanced combination of voltage and current ratings suitable for a wide range of switching and amplification tasks. Compared to typical alternatives, it delivers reliable gain with a modest power dissipation profile, ensuring stable operation without excessive heat generation. Its standard TO-92 package enhances compatibility and ease of use in through-hole designs, making it a versatile choice for engineers seeking a cost-effective, dependable transistor for general-purpose applications.
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Typical Applications
- Switching circuits in industrial control systems where moderate current and voltage switching is required, providing robust performance and reliability.
- Signal amplification in audio and sensor circuits, enabling clear and effective signal processing.
- Driver stages for relay and LED control, delivering the necessary current gain for activation of external components.
- General-purpose low-power amplification and switching tasks in consumer electronics and prototyping environments.
JANSL2N2221AUB/TR Brand Info
The JANSL2N2221AUB/TR is a product line from a reputable semiconductor manufacturer known for delivering quality bipolar transistors. This model complies with industry standards and is widely stocked for ease of procurement. Its consistent electrical characteristics and packaging reliability make it a trusted component for engineers and sourcing specialists seeking proven performance in switching and amplification roles across industrial and commercial electronics.
FAQ
What is the maximum collector current rating for this transistor?
The maximum collector current rating is 800 milliamps (mA), making this device suitable for moderate load switching and amplification without exceeding thermal limits.
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Can this transistor handle voltages above 40V?
No, the maximum collector-emitter voltage allowed is 40 volts. Operating above this voltage risks damaging the transistor due to breakdown of the junction.
What package type does this transistor use?
This transistor is housed in a TO-92 package, which is a standard through-hole style that facilitates easy mounting on printed circuit boards and ensures adequate thermal dissipation for typical operating conditions.
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Is this transistor suitable for high-frequency applications?
With a gain bandwidth product around 300 MHz, it supports moderate frequency signals, making it appropriate for many general-purpose amplification and switching applications, but not optimized for very high-frequency RF circuits.
What typical applications can benefit from using this transistor?
Common uses include switching loads like relays and LEDs, amplifying sensor signals, and general low to medium power amplification tasks in consumer and industrial electronic circuits.
