Medical Power Supplies Specifications

Style / Mounting


	Style / Mounting
	Your choices are...
	Board Mount		Through hole technology (THT) mounts components on a printed circuit board (PCB) by inserting component leads through holes in the board and then soldering the leads in place on the opposite side of the board. Surface mount technology (SMT) adds components to a printed circuit board (PCB) by soldering component leads or terminals to the top surface of the board. SMT components have a flat surface that is soldered to a flat pad on the face of the PCB. Typically, the PCB pad is coated with a paste-like formulation of solder and flux. With careful placement, SMT components on solder paste remain in position until elevated temperatures, usually from an infrared oven, melt the paste and solder the component leads to the PCB pads.
	Circuit Board		Devices are circuit boards.
	Open Frame		Open frame power supplies have all circuitry and components exposed. The power supply is simply a circuit board where all the circuitry and components are attached on one side of it.
	Enclosed		Enclosed power supplies have all its circuitry and components enclosed in a case. The input and output connections are enclosed.
	Tool/Chamber Mount		Devices have a small form factor and can be mounted on a chassis or to a cabinet.
	Module		Devices are modular.
	DIN Rail		Devices mount on a standard DIN rail. DIN is an acronym for Deutsches Institut für Normung (DIN), a German national organization for standardization.
	Desktop		Devices sit on a desktop or shelf.
	Rack Mount		Devices mount in racks and come with hardware such as rail guides, flanges, or tabs. Some rack-mounted devices fit in a standard 19” telecommunications rack.
	Wall Mount		Devices are wall-mounted.
	Cabinet		Devices include a floor-standing cabinet.
	External Power Supply		The power supply is located outside the device that is serving.
	Other		Other unlisted, specialized or proprietary styles.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

DC Output


	DC Output Voltage
	Your choices are...
	+0.75 V		Devices have at least one +0.75 V output
	+1.0 V		Devices have at least one +1.0 V output
	+1.5 V		Devices have at least one +1.5 V output
	+1.8 V		Devices have at least one +1.8V output
	+2.5 V		Devices have at least one +2.5 V output
	+3.3 V		Devices have at least one +3.3 V output.
	+5 V		Devices have at least one +5 V output
	-5 V		Devices have at least one -5 V output
	+12 V		Devices have at least one +12 V output
	-12 V		Devices have at least one -12 V output
	+15 V		Devices have at least one +15 V output
	-15 V		Devices have at least one -15 V output
	+24 V		Devices have at least one +24 V output
	-24 V		Devices have at least one -24 V output
	+28 V		Devices have at least one +28 V output
	-28 V		Devices have at least one -28 V output
	+30 V		Devices have at least one +30 V output
	-30 V		Devices have at least one -30 V output
	+48 V		Devices have at least one +48 V output.
	-48 V		Devices have at least one -48 V output.
	Other		Other unlisted DC output voltages.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Minimum DC Output Voltage		Enter the minimum primary DC voltage output.
	Search Logic:		All matching products will have a value greater than or equal to the specified value.

	Maximum DC Output Voltage		Enter the maximum primary DC voltage output.
	Search Logic:		All matching products will have a value less than or equal to the specified value.

	Minimum DC Output Current		The DC output current corresponds to the primary DC voltage output.
	Search Logic:		All matching products will have a value greater than or equal to the specified value.

	Maximum DC Output Current
	Search Logic:		All matching products will have a value less than or equal to the specified value.

	DC Output Power		Enter the output power of the device.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Efficiency		Enter the efficiency.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Load Regulation		Load regulation is the maximum steady-state amount that output voltage changes as a result of a specified change in load. Typically, load regulation is expressed as a percent change of output voltage caused by increasing the load from half load to full load.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Line Regulation		Line regulation is the maximum steady-state amount that output voltage changes as a result of a specified change in input line voltage. The specified change is typically either a 10% change in input voltage, or the variation of line voltage from the minimum to maximum value.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

AC Input


	Input Phase
	Your choices are...
	Single-Phase		The AC input is single-phase; the more commonly used AC type. Single-phase is often but not exclusively used for lower voltage applications.
	Three-Phase		The AC input is three-phase. Three-phase inputs are typically used for high voltage power supplies.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Input AC Voltage
	Your choices are...
	115 VAC		Devices accept 115 VAC nominal inputs.
	208 VAC		Devices accept 208 VAC nominal inputs.
	230 VAC		Devices accept 230 VAC nominal inputs.
	480 VAC		Devices accept 480 VAC nominal inputs.
	Other		Other unlisted AC input voltages.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Input Frequency
	Your choices are...
	50 Hz		Devices accept 50 Hz AC inputs.
	60 Hz		Devices accept 60 Hz AC inputs.
	400 Hz		Devices accept 400 Hz AC inputs.
	Other		Other unlisted AC input frequencies.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

Display



	Your choices are...
	None		Devices do not provide a display output.
	Analog / Visual Indicator		Devices have an analog meter or simple visual indicator such as a needle.
	Digital Numerical Display		Devices have a digital display for numerical values.
	Graphic / Video Display		Devices have a cathode-ray tube (CRT), liquid crystal display (LCD) or other graphical or multi-line display.
	Other		Other unlisted, specialized or proprietary displays.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

Standard / Compliance


	RoHS Compliant		Restriction of Hazardous Substances (RoHS) is a European Union (EU) directive that requires all manufacturers of electronic and electrical equipment sold in Europe to demonstrate that their products contain only minimal levels of the following hazardous substances: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyl and polybrominated diphenyl ether. RoHS will become effective on July 1, 2006.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	WEEE Compliant		“The Waste Electrical and Electronics Equipment Regulations (WEEE Regulations) is a European Parliament Directive with the aim of encouraging reuse, recycling and recovery of electrical and electronic equipment, and to improve the environmental impact and performance of these equipments. This directive sets the requirements and criteria for the collection, treatment, recycling and recovery of these equipments. It makes producers responsible for financing these activities, and retailers and distributors must provide means for consumers to return used or obsolete equipments without charge.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

Features


	Features
	Your choices are...
	Battery Backup		Devices include a battery backup for continuous output.
	Computer Interface		Devices provide a computer interface that can be used for remote monitoring or control.
	DC Output		Devices provide a DC output.
	Fan Cooled		Devices include a fan for cooling.
	Hot Swappable		Hot swappable devices can be replaced without shutting down the system. Redundant power supplies are often used for back up in case of system failure. Hot swappable power supplies are used in a variety of critical applications. They are also used in applications such as telecommunications where downtime is particularly disruptive.
	Integral Heatsink		Devices have an integral heatsink for cooling.
	Overcurrent Protection		Overcurrent protection is internal circuitry that limits or shuts down the current output during overcurrent conditions.
	Overvoltage Protection		Overvoltage protection is internal circuitry that limits or shuts down the voltage output during overvoltage conditions. Typically, overvoltage protection is provided for the primary output.
	Power Factor Correction		Power factor correction is used to correct the phase difference between voltage and current in order to optimize power output.
	Pure Sine Output		Pure sine output produces a very high quality, pure sine waveform output.
	Remote On / Off Switch		Devices can be turned on and off remotely.
	Short Circuit Protection		Short circuit protection may include electronic current limiting and thermal resets with automatic recovery.
	Temperature Compensated		Devices compensate for changes in temperature that can result in undesirable outputs.
	Water Cooled		Devices are water-cooled for temperature stability.
	Weatherproof		Weatherproof devices can withstand prolonged exposure to outdoor conditions such as rain or snow.
	Other		Other unlisted features.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

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