Overview
The STD1802T4-A is an automotive-grade, low voltage, fast-switching NPN power transistor manufactured by STMicroelectronics. This device is specifically designed for high-performance applications in the automotive sector, offering high current gain and very low collector to emitter saturation voltage. It is surface-mountable, making it suitable for modern electronic designs that require compact and efficient components.
Key Specifications
| Parameter | Value |
|---|---|
| Transistor Type | NPN |
| Collector Current (IC) | 2 A |
| Collector-Emitter Voltage (VCE) | 40 V |
| Base-Emitter Voltage (VBE) | 1.4 V |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 0.2 V (typical at IC = 1 A, IB = 50 mA) |
| Current Gain (hFE) | 100-300 at IC = 1 A, VCE = 5 V |
| Operating Junction Temperature | -40°C to 150°C |
| Package | SOT-223 |
Key Features
- Automotive-grade qualification for reliability in harsh environments.
- High current gain characteristic for efficient amplification.
- Very low collector to emitter saturation voltage for reduced power loss.
- Fast-switching capability for high-frequency applications.
- Surface-mounting in SOT-223 package for compact designs.
Applications
The STD1802T4-A is designed for various automotive applications, including power management, motor control, and other high-current switching requirements. It is also suitable for industrial and consumer electronics where high reliability and performance are necessary.
Q & A
- What is the collector current rating of the STD1802T4-A? The collector current rating is 2 A.
- What is the typical collector-emitter saturation voltage? The typical collector-emitter saturation voltage is 0.2 V at IC = 1 A, IB = 50 mA.
- What is the operating junction temperature range? The operating junction temperature range is -40°C to 150°C.
- What package type is the STD1802T4-A available in? The STD1802T4-A is available in the SOT-223 package.
- Is the STD1802T4-A suitable for automotive applications? Yes, it is automotive-grade qualified.
- What are the key features of the STD1802T4-A? High current gain, very low collector-emitter saturation voltage, fast-switching capability, and surface-mounting.
- What is the typical current gain (hFE) of the STD1802T4-A? The typical current gain (hFE) is 100-300 at IC = 1 A, VCE = 5 V.
- Can the STD1802T4-A be used in industrial applications? Yes, it is suitable for industrial and consumer electronics where high reliability and performance are necessary.
- Where can I find detailed specifications for the STD1802T4-A? Detailed specifications can be found on the STMicroelectronics official website, as well as on distributor websites like Mouser and Digi-Key.
- What is the base-emitter voltage (VBE) of the STD1802T4-A? The base-emitter voltage (VBE) is 1.4 V.
