Fairchild KDT00030 Phototransistor Photo Detector Data Sheet
Summary
The KDT00030 is an ultra-compact, low-profile photodetector designed for measuring ambient light in portable electronics. Featuring a phototransistor with human-eye spectral response and high output linearity, it is ideal for integrating into mobile appliances such as cell phones, notebook PCs, and digital cameras. This comprehensive guide details all necessary technical information, including electrical characteristics, full performance curves, operational ratings, and precise dimensional specifications required by system designers.
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 5 |
| File Size | 520.23 KB |
| Published | May 31, 2026 |
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Frequently Asked Questions
What are the operating temperature ranges?
The recommended operating temperature range is -40°C to +85°C.
How does the detector perform across different light sources?
It provides excellent linearity for measuring low-cost ambient light and has a spectral response close to the human eye, with peak sensitivity at 630 nm.
What are the typical dimensions of this phototransistor?
The KDT00030 is small, featuring a footprint of 1.7mm x 0.8mm and a low profile of 0.6mm.
Are there limitations on voltage or current ratings?
The absolute maximum rating for the Collector-Emitter Voltage (CE T) is 60V, and the typical dark current is around 0.1 µA at V=10V.