Vishay TEFT4300 NPN Phototransistor, T-1 (3mm), 925nm

The Vishay TEFT4300 is a leaded silicon NPN phototransistor housed in a black T-1 (3mm) package with a daylight blocking filter. It delivers high radiant sensitivity, making it an excellent choice for precise optical detection in a wide range of industrial and sensing applications.

Key Features

• Fast response times for reliable performance in dynamic environments.
• Daylight blocking filter matched with 940nm emitters, ensuring consistent operation in ambient light conditions.
• Angle of half sensitivity is ±30°, providing a broad detection range.
• Typical wavelength of 925nm for optimal compatibility with infrared systems.
• Power dissipation of 100mW, suitable for low-power circuits.
• Wide operating temperature range from -40°C to 100°C, enabling use in demanding environments.

Applications

This phototransistor is designed for use in optical switches, counters, sorters, interrupters, encoders, and position sensors. It is particularly well-suited for industrial sensing and instrumentation, where accurate light detection is critical. The TEFT4300 offers a practical solution for designers seeking a reliable, leaded phototransistor with integrated daylight filtering.

Specifications

• Wavelength (Typ): 925nm
• Viewing Angle: 30°
• Power Consumption: 100mW
• No. of Pins: 2
• Transistor Case Style: T-1 (3mm)
• Operating Temperature Range: -40°C to +100°C

With its compact 3mm package and robust electrical characteristics, the Vishay TEFT4300 is a versatile component for engineers and hobbyists alike, ensuring accurate and consistent performance in various optical sensing applications.