JANSD2N2221AUBC-Transistor Overview
The JANSD2N2221AUBC is a high-performance NPN bipolar junction transistor designed for general-purpose amplification and switching applications. With a maximum collector current of 800mA and a collector-emitter voltage rating of 40V, this device offers robust electrical characteristics suitable for industrial and commercial electronic circuits. Its reliable gain performance and fast switching speed make it ideal for signal processing, driver stages, and low noise amplification. Manufactured to meet stringent quality standards, the transistor ensures consistent operation in demanding environments. For sourcing and detailed technical data, visit IC Manufacturer.
JANSD2N2221AUBC-Transistor Technical Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Type | NPN Bipolar Junction Transistor | – |
| Collector-Emitter Voltage (VCEO) | 40 | V |
| Collector-Base Voltage (VCBO) | 75 | V |
| Emitter-Base Voltage (VEBO) | 6 | V |
| Collector Current (IC) | 800 | mA |
| Power Dissipation (Ptot) | 625 | mW |
| Transition Frequency (fT) | 250 | MHz |
| DC Current Gain (hFE) | 100?C300 | – |
| Package Type | TO-92 | – |
JANSD2N2221AUBC-Transistor Key Features
- High Collector Current: Supports up to 800mA, enabling efficient power handling in switching applications.
- Wide Voltage Ratings: Collector-emitter voltage up to 40V ensures reliability in moderate voltage circuits.
- Fast Switching Speed: Transition frequency of 250MHz facilitates high-speed signal amplification and switching.
- Versatile Gain Range: DC current gain between 100 and 300 provides flexibility for amplification needs in analog circuits.
- Compact TO-92 Package: Enables easy integration into through-hole PCB designs with minimal space requirements.
- Robust Thermal Capacity: Power dissipation rating up to 625mW supports sustained operation without overheating.
- Reliable Electrical Performance: Stable operation across typical industrial temperature ranges enhances system durability.
Typical Applications
- Used as a general-purpose amplifier in audio and signal processing circuits, providing clean gain and low noise.
- Switching transistor in relay drivers, LED drivers, and low power motor control applications.
- Commonly employed in interface and buffer stages within industrial control and automation systems.
- Suitable for hobbyist and educational electronic projects requiring reliable transistor performance.
JANSD2N2221AUBC-Transistor Advantages vs Typical Alternatives
This transistor offers a balanced combination of high current capacity and voltage tolerance compared to typical small-signal transistors. Its fast switching frequency and moderate gain range make it more versatile for both amplification and switching tasks. The compact TO-92 package facilitates easy replacement and integration, while the robust power dissipation rating ensures sustained reliability. These advantages contribute to improved circuit efficiency, reduced component count, and enhanced durability in industrial and commercial electronics.
