Overview
The 2STF1340 is a bipolar junction transistor (BJT) produced by STMicroelectronics. Although it is currently obsolete and no longer manufactured, it was designed for various high-performance applications. This NPN transistor is known for its low voltage and fast-switching capabilities, making it suitable for a range of electronic circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Collector-Base Voltage (Vcb) | 40 V |
| Collector-Emitter Voltage (Vce) | 40 V |
| Emitter-Base Voltage (Veb) | 5 V |
| Collector Current (Ic) | 3 A |
| Power Dissipation (Pd) | 1.4 W |
| Transition Frequency (ft) | 100 MHz |
| Package Type | SOT-89-3 (Surface Mount) |
Key Features
- Very low collector-emitter saturation voltage, enhancing efficiency in switching applications.
- High current gain characteristic, ensuring reliable amplification.
- Fast switching speed, suitable for high-frequency operations.
- Compact SOT-89-3 surface mount package, ideal for space-constrained designs.
Applications
The 2STF1340 is designed for use in various high-performance electronic circuits, including but not limited to:
- Power switching applications where low voltage and high current are required.
- Amplifier circuits that benefit from high current gain and fast switching speeds.
- LED driver circuits due to its ability to handle high currents efficiently.
- Other general-purpose NPN transistor applications where fast switching and low saturation voltage are critical.
Q & A
- What is the collector current rating of the 2STF1340?
The collector current rating of the 2STF1340 is 3 A. - What is the transition frequency of the 2STF1340?
The transition frequency of the 2STF1340 is 100 MHz. - What is the power dissipation of the 2STF1340?
The power dissipation of the 2STF1340 is 1.4 W. - What package type does the 2STF1340 use?
The 2STF1340 uses a SOT-89-3 surface mount package. - Is the 2STF1340 still in production?
No, the 2STF1340 is obsolete and no longer manufactured. - What are some key features of the 2STF1340?
The 2STF1340 features very low collector-emitter saturation voltage, high current gain, and fast switching speed. - What are typical applications for the 2STF1340?
Typical applications include power switching, amplifier circuits, LED drivers, and other general-purpose NPN transistor applications. - What is the collector-base voltage rating of the 2STF1340?
The collector-base voltage rating of the 2STF1340 is 40 V. - What is the emitter-base voltage rating of the 2STF1340?
The emitter-base voltage rating of the 2STF1340 is 5 V. - Where can I find substitutes for the 2STF1340?
You can find substitutes for the 2STF1340 on electronic component distributor websites such as Digi-Key, Mouser, and others.
