Production will be carried out at ROHM-WAKO Co., Ltd. (Okayama Prefecture), ROHM SEMICONDUCTOR (CHINA) CO., LTD. (Tianjin, China), ROHM-WAKO ELECTRONICS (MALAYSIA) SDN. BHD. (Krandan, Malaysia).
The luminescence intensity of PSML1/PSML2 in the middle current region reaches 7 cd (at 100 mA current). The Cu structure with high thermal conductivity exposes the structure to the bottom surface of the package, which expands the path of heat dissipation to the circuit board and greatly improves heat dissipation. The thermal resistance values ​​are PSML1 70°C/W and PSML2 60°C/W. .
PSML1/PSML2 improves heat dissipation, enabling LEDs to be used at medium current (50 to 150 mA), ensuring that LEDs have sufficient illumination intensity to meet the technical requirements of backlighting sources such as automotive steering systems. In addition, since the structure is improved, the problem that the performance is affected by temperature is solved, the problem that the luminous intensity in the middle current region is deteriorated and the color tone is unstable is alleviated, so that the product is further extended in service life, and in a high temperature environment. use.
The good heat dissipation of PSML1/PSML2 makes the product suitable for use as a backlight source for automotive driving guidance systems, or as a lighting source, as well as interior lights and indicator lights on vehicles, entertainment equipment, and the like.
Main features of PSML1/PSML2
1) The luminous intensity reaches 7 cd at 100 mA,
2) θj-a value (thermal resistance value)
PSML1: 70 ° C / W
PSML2: 60 ° C / W (data installed on the FR-4 board)
3) There are two package types to suit different purposes.
PSML1: 3.2 × 2.8 × 0.8mm
PSML2: 4.0 × 2.0 × 0.6mm
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