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250W -24VDC PS, PS/2 Size
250W -24VDC PS, PS/2 Size
PWR 925T

-48VDC, 250W AT Power Supply, -40 to -65VDC Input, PS/2-size

Qty   Price (with options selected)
Shipping: In Stock
 Features
Power Supply Form FactorStandard ATX or PS/2-size
Power Supply Output TypeAT
Nominal Output Power250W
Peak Output Power250W
Input Voltage Range(s)-40 to -65VDC
 
Introduction
After extensive evaluation, we feel that our PWR 800 and 900 series power supplies are the best PS/2 and ATX power supplies available.  Almost all are auto-ranging, and their MTBFs are typically 100,000 to 216,000 hours.  High-reliability aluminum electrolytic capacitors ensure stable output voltages, and wide temperature ranges provide stability in almost any environment.  Broad input voltage ranges handle voltage drops with ease.
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Case
Power Supply Form Factor Standard ATX or PS/2-size
Construction - Chassis Material Steel
General Specifications
Power Supply Output Type AT
Nominal Output Power 250W
Output Specifications
Peak Output Power 250W
Output Voltage(s) +5VDC
+12VDC
-5VDC
-12VDC
+5V Output Peak Output Current 30A
Nom. Output Current 25A
Line Regulation -1%....1%
Load Regulation -4%....4%
Ripple and Noise <1% (peak-to-peak)
+12V Output Peak Output Current 12A
Nom. Output Current 8A
Line Regulation -1%....1%
Load Regulation -5%....5%
Ripple and Noise <1% (peak-to-peak)
–12V Output Nom. Output Current 2A
Line Regulation -1%....1%
Load Regulation -1%....1%
Ripple and Noise <1% (peak-to-peak)
–5V Output Nom. Output Current 1A
Line Regulation -1%....1%
Load Regulation -1%....1%
Ripple and Noise <1% (peak-to-peak)
Efficiency 65%
Input Specifications
Power Supply Input Type DC
Nominal Input Voltage -48VDC
Input Voltage Range(s) -40 to -65VDC
Input Frequency DC
Input Current 8A @ -48VDC
Inrush Current (max.) >5A @ -48VDC
Connectors & Cables
Power Input Connector(s) 3 screw terminals
Output Connector(s) Connector(s) to CPU/Motherboard P8/P9 standard AT power connector set (two 6-wire connectors)
Length of Cable(s) to CPU/Motherboard 2.17ft (660.4mm)
Connector(s) to Drives/Accessories Standard Molex internal drive/device power connector (4-pin, female)
Floppy power connector (4-pin, female)
Length of Cable(s) to Drives/Accessories 2.08ft (635mm)
Output Connector(s) Features & Details 4 Molex connectors and 2 floppy connectors.
Indicators, Switches, & Controls
Power On/Off Switch 4-wire cable (connects to chassis power switch)
Other Controls/Features 4-wire cable for power switch is 21" long.
Cooling
Cooling Summary Cooling fan
Number of Cooling Fans 1
Cooling Fan Details (1) Number of fans of this type 1
Cooling Fan Size 80mm X 80mm
Environmental Specifications
Operating Temperature -4°F....158°F (-20°C....70°C)
Storage Temperature -40°F....167°F (-40°C....75°C)
Vibration Resistance Operating 10 to 55Hz over 3-min. period @ 2g, for 30 minutes.
Shock Resistance Operating 10g for 20ms, once on each axis (X, Y, & Z).
Altitude, Max. 2.84mi (4.57km)
Other Environmental Specifications Derating curve applies from +50 to +70°C.
Safety & Standards Compliance
Safety/Approvals Meets UL standards
Meets CE standards
Meets CSA standards
Meets TUV standards
Meets FCC Part 15 - Class B EMI specs
Meets VDE Class A standards
UL Certified Recognized Component ("RU" mark)
UL Recognized Component, Certified in Canada & USA ("cRUus" mark)
Protection Overvoltage The trip point is around 5.7 to 7.0V output on +5V line.
Short-Circuit Yes
Overtemperature Built-in thermal switch at 230°F +/-9°F (110°C +/-5°C)
MTBF 198500 hours
Dimensions
Width 5.91" (150.11mm)
Height 3.38" (85.85mm)
Depth 5.5" (139.7mm)
Weight
Weight 3.38lbs (1.53kg )
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Ordering - Includes Options Indicated Below
PWR 925T
-48VDC, 250W AT Power Supply, -40 to -65VDC Input, PS/2-size
$150.00
Catalog # Shipping Price (with options) Qty  
PWR 925T In Stock
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