Infrared Selected NPN Silicon Phototransistors Types OP505A, OP505B, OP505C, OP505D

Category: Electronics, Optek Technologies Inc, Optoelectronics

Summary of the OP505 Series Phototransistors Datasheet

Features

The OP505 series consists of selected NPN silicon phototransistors known for their narrow receiving angle and a variety of sensitivity ranges, apt for applications where space is limited. These components are encapsulated in small, T-1 package style blue-tinted epoxy packages, ensuring a compact footprint for integrated design requirements. The devices are designed to work with infrared light, offering excellent on-axis coupling and are tested to ensure close correlation with Optek’s infrared emitters.

Absolute Maximum Ratings

The maximum ratings for the series include a collector-emitter voltage of 30 V and an emitter-collector voltage of 5.0 V. The phototransistors can operate across a temperature range from -40 to +100°C. During soldering, the leads can withstand a temperature of 260°C for 5 seconds provided that they are at a minimum distance of 1/16 inch (1.6 mm) from the case. Power dissipation is rated at 100 mW at 25°C with a derating of 1.33 mW/°C above this temperature. When soldering, it is recommended to use RMA flux, and max. 20 grams force may be applied to the leads. The testing light source for the devices uses an unfiltered GaAs LED with emissions peaking at 935 nm, ensuring consistent intensity levels across the lens surface of the phototransistor.

Typical Performance Curves and Characteristics

The datasheet mentions typical performance curves, including spectral response and coupling characteristics for the OP505 series. However, detailed graphical data is not included within the first two pages of the datasheet. The narrow receiving angle characteristic is highlighted to facilitate precise light detection and signal coupling, making it suitable for directed light applications.

Comparability

The OP505 series devices are mentioned as replacements for the K5500 series, suggesting that they serve as an upgrade or a direct substitute for those older series phototransistors in existing applications.

Manufacturer Information

The devices are manufactured by Optek Technology, Inc., located at 7215 W. Crosby Road, Carrollton, Texas 75006. Optek’s contact details, including phone and fax numbers, are provided for further inquiries or support related to the OP505 series phototransistors.