This document describes the features and characteristics of SFH 3710 NPN-Si Phototransistor, including its small SMT package, adaptation to human eye sensitivity, and applications such as ambient light detection, exposure meter, backlight dimming sensor, etc.
The SFH 3710NPN‑Si is a very small SMT silicon NPN phototransistor optimized for the human eye sensitivity (Vλ). It is intended for ambient‑light detection, exposure meters, back‑light dimming sensors and similar control applications.
The document provides maximum ratings, electrical characteristics, spectral response, package dimensions, and recommended lead‑free soldering conditions according to JEDEC Level 2 and J‑STD‑020C. This manual is written in German.
| Maximum collector‑emitter voltage (VCE) | 5.5 V |
|---|---|
| Maximum collector current (IC) | 20 mA |
| Peak sensitivity wavelength (λSmax) | 570 nm |
| Collector‑emitter capacitance (CCE) | 4 pF |
The maximum collector current is 20 mA.
The peak sensitivity occurs at 570 nm.
A lead‑free reflow profile according to J‑STD‑020C (max 235 °C) is recommended.