OPB891T55Z: High-Performance Slot-Type Photointerrupter with Phototransistor Output | TT Electronics/Optek Technology
OPB891T55Z: High-Performance Slot-Type Photointerrupter with Phototransistor Output
The OPB891T55Z by TT Electronics/Optek Technology is a premium slot-type photointerrupter designed for precision object detection in demanding environments. Combining through-beam sensing technology with a phototransistor output, this sensor delivers unmatched reliability for industrial, medical, and consumer electronics applications. Below, we explore its advanced features, technical specifications, and why it s a top choice for engineers worldwide.
Why the OPB891T55Z Stands Out
Industry-Leading Manufacturer
TT Electronics/Optek Technology is renowned for its high-quality optoelectronic components. The OPB891T55Z reflects their commitment to innovation, meeting rigorous standards for performance and durability.
Key Specifications at a Glance
- Part Number: OPB891T55Z
- Category: Optical Sensors - Slot-Type Photointerrupters
- Status: Active (In Production)
- Sensing Method: Through-Beam (3.18mm Gap)
- Output: Phototransistor (30mA Max)
- Voltage Rating: 30V Collector-Emitter
- Operating Temperature: -40 C to 85 C
- Mounting: PCB/Chassis Mount
In-Depth Technical Analysis
Precision Through-Beam Sensing
The OPB891T55Z s through-beam design ensures accurate detection by aligning an infrared emitter and phototransistor receiver. This method minimizes false triggers from ambient light, making it ideal for:
- Industrial Automation: Conveyor belt monitoring, safety interlocks.
- Medical Devices: Fluid level detection, equipment positioning.
Robust Electrical Performance
- Forward Current (If): 50mA max for efficient emitter operation.
- Collector Current (Ic): 30mA max, enabling direct microcontroller interfacing.
- Breakdown Voltage: 30V protection against voltage spikes.
Durability for Harsh Environments
With an operating range of -40 C to 85 C, the OPB891T55Z excels in extreme conditions, from factory floors to outdoor equipment.
Applications
The OPB891T55Z is versatile across industries:
- Consumer Electronics: Printers, vending machines.
- Automotive: Gear position sensors, anti-pinch systems.
- Robotics: Encoder wheel detection.
Competitive Advantages
- High Accuracy: 0.1mm repeatability for critical measurements.
- Fast Response: 5 s typical switching speed.
- Easy Integration: PCB mount design reduces assembly time.
Conclusion
The OPB891T55Z sets the benchmark for slot-type photointerrupters, offering precision, reliability, and broad compatibility. Whether upgrading existing systems or designing new solutions, this sensor ensures optimal performance. Contact us today for datasheets, pricing, and technical support to integrate the OPB891T55Z into your project!
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