VF is the LED forward voltage which is actually the minimum supply voltage required by an LED for illuminating with optimal brightness. When a series LED connection is in question, you will just need to replace the "LED forward voltage" with "total forward voltage" in the formula, by multipl...
CalculateLED Load Resistor ValuesCalculatethe value of a load resistor for a ... After the value of the load resistor iscalculated, a table of standard resistor values can be ... voltage and power supply load. This application willcalculatethe values for diodes, capacitors, output voltage and...
LED Strip Power Supplies Power supply units to convert line voltage to low voltage DC needed for LED strip light systems. Aluminum Channels Extruded aluminum channel profiles for mounting LED strip lights. LED Strip Connectors Solderless connectors, wires and adapters to join and connect LED strip ...
LED Strip Power Supplies Power supply units to convert line voltage to low voltage DC needed for LED strip light systems. Aluminum Channels Extruded aluminum channel profiles for mounting LED strip lights. LED Strip Connectors Solderless connectors, wires and adapters to join and connect LED strip ...
1. Main types of PCB impedance: (1)Single-ended impedance: In electronic information products such as computers and wireless communications, the energy transmitted in the PCB is a square wave signal (pulse pulse) composed of voltage and time. The resistance it encounters is called single-ended ...
Number of Appliances Power Rating Daily Use in Hours Load Calculation 4 LED Bulb 9-watt each 10 4 x 9W x 10 = 360 watt 1 Cooler 400-watt 6 1 x 400W x 6 = 2,400 watt 2 Ceiling fans 70-watt each 18 2 x 70W x 18 = 2,520 watt 1 TV 100-watt 4 1 x 100W x 4 = 400 ...
Key attributes Industry-specific attributes Power Supply AC 110-240v,50-60hz Display Type LED Other attributes Customized support OEM, ODM Place of Origin Henan, China Warranty 1 YEAR Brand Name Shengyuan Model Number hgm-18 Color white and blue ...
The limit then is how long are you prepared to wait for the cap to charge. This is particular useful in modest pulse power applications like led barcode scanners and suchlike where you need rather large bulk caps to support the peak power demand....
LED Roadway Lighting Calculator (File is in a zipped folder in Excel format) Common Energy Equivalents:Electricity: 1 kW = 3,413 Btu/hr Natural gas: 1 cu ft of natural gas = 1,030 Btu 1 CCF = 100 cu ft = 1 therm = 103,000 Btu 1 MCF = 1,000 cu ft = 10 therms = 1,034,...
For example, in the case of P00.0, the pull-up resistor is between the terminal's power supply (VEXT for P00.0) and the P00.0 terminal. The pull-down resistor is between the terminal's GND (VSS for P00.0) and the P00.0 terminal. Values for Pull-up resistor is...