VISHAY BPW77NA Phototransistor, 850nm, 10°, 250mW, TO-18

The VISHAY BPW77NA is a high-performance silicon NPN phototransistor, designed for precision sensing applications in both visible and near-infrared light spectrums. It features a hermetically sealed TO-18 case, providing robust protection and ensuring stable, long-term performance in demanding environments.

This component is distinguished by its high photo sensitivity and high radiant sensitivity, enabling it to detect low light levels with exceptional accuracy. It offers fast response times, making it ideal for applications requiring quick signal detection and processing. The device includes a base terminal connected, providing greater flexibility in circuit design and biasing.

Key Applications

Engineered for reliability, the BPW77NA is perfectly suited for sensing and instrumentation systems where consistent and accurate light detection is critical. Its specific spectral sensitivity makes it a versatile choice for various industrial, commercial, and scientific optical sensing tasks.

Technical Specifications

• Peak Wavelength: 850 nm
• Viewing Angle (Half Sensitivity): ±10°
• Maximum Power Dissipation: 250 mW
• Package / Case Style: TO-18, 3-pin configuration
• Spectral Range: Sensitive to visible and near-infrared radiation
• Construction: Hermetically sealed silicon NPN phototransistor

With its combination of sensitivity, speed, and durable packaging, the VISHAY BPW77NA provides a dependable solution for engineers and designers building advanced optical detection systems.