Hebei Province issued urban lighting management regulations to be implemented in August

Recently, Hebei Province issued the "Regulations on the Administration of Urban Lighting in Hebei Province". The "Regulations" stipulate that urban lighting facilities pipelines should be put into the project according to the plan, and the existing lighting overhead lines should be gradually transformed into the ground according to the plan. According to the "Regulations", it is strictly forbidden for any unit to use high-energy and low-efficiency lamps with multi-light source and no light control in urban functional lighting. It is strictly forbidden to have excessive energy consumption and excessive energy consumption standards such as light pollution in urban landscape lighting. The regulation will take effect on August 1, 2012 and will be valid for 5 years.

According to the "Regulations", under the premise that the urban secondary roads and small streets and lanes meet the requirements of light distribution, the street lamp lamps with semiconductor (LED) as the light source should have a luminous system efficiency of not less than 90 lm/W. The "Regulations" encourage the use of renewable energy to use lighting systems in areas where urban roads are connected to the main roads, suburban junctions, and areas where access to power is difficult, depending on natural conditions and local conditions.

The "Regulations" also mentioned that the lighting rate of urban road lighting main roads should reach 98%, the lighting rate of secondary roads and branch roads should reach 96%; the road lighting facilities should have a perfect rate of 95%, landscape lighting facilities. The perfect rate should reach 90%.

DO-41 package

The diameter of the DO-41 diode body is in the range of 2.0mm~2.7mm, the length of the diode body is between 4~5.2mm, the diameter of the pins at both ends is between 0.71mm~0.86mm, and the overall length is 25.4mm.
This DO-41 plastic package is available in a through-hole version. This axial lead device is ideal for customer premises equipment (CPE), such as telephones, answering machines, modems, and fax interfaces. When appropriate over-current protection is included, the DO-41 package series can also be used for over-voltage protection in applications such as T1/E1/J1 relay cards.

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