Osram Opto GW KAHLB1.CM-TQTS-40S3-T02, SOLERIQ S 19 4000K White CoB LED, SMD package. Package Type: Chip On Board. Mounting Type: Surface Mount. Forward Voltage: 46.5 V. Viewing Angle: 120 °. Luminous Flux: 3040 → 3900 lm. Lens Shape: Square. Dimensions: 24.3 x 24.3 x 1.6mm., OSRAM Opto Semiconductors