This document is a specification sheet for a 3.5X3.5mm SMD LED, which describes its electrical/optical characteristics and maximum ratings.
This handbook describes the Kingbright KT-3535SE9ZS-RV 3.5 × 3.5 mm surface‑mount LED with a ceramic substrate. It includes electrical and optical characteristics, mechanical dimensions, and recommended mounting methods.
Key sections cover preliminary specifications, selection guide, reliability test procedures, moisture‑sensitivity levels, handling precautions, board‑design recommendations, reflow soldering profile, ambient temperature derating curves, tape and reel dimensions, and packing and labeling specifications.
| DC Forward Current (IF) | 350 mA |
|---|---|
| Peak Forward Current (IFM) | 500 mA |
| Power Dissipation (Pt) | 1.05 W |
| Operating Temperature (Top) | -40 to +100 °C |
| Storage Temperature (Tstg) | -40 to +120 °C |
| Junction Temperature (Ts) | 120 °C |
| Thermal Resistance (junction/ambient) Rthj‑a | 95 °C/W |
| Luminous Flux (typ) | 16 lm |
| Peak Wavelength | 628 nm |
| Dominant Wavelength | 623 nm |
| Spectral Bandwidth (FWHM) | 22 nm |
The LED is rated for a continuous forward current of 350 mA and a peak forward current of 500 mA.