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> Ohmite metal-mite resistors, 850F25R, 25 ohms, 50 watts
Ohmite metal-mite resistors, 850F25R, 25 ohms, 50 watts
(1) OHMITE Metal-Mite 89 Series Power Resistor
Aluminum Housed Axial Lead Wirewound Resistor
* Tolerance = +/- 1%
The 89 Series is a high-performance axial-terminal type resistor. These molded-construction metal-housed resistors are available in higher power ratings than standard axial-terminal resistors and are better suited to withstanding vibration, shock and harsh environmental conditions.
The 89 Series Metal-Mite resistors are aluminum housed to maintain high stability during operation and to permit secure mounting to chassis surfaces. The metal housing also provides heat-sinking capabilities, allowing the units to exceed the power ratings set by MIL specifications.
* High Stability: 0.5% delta-R.
* High power to size ratio.
* Metal housing allows chassis mounting and provides heat sink capability.
* Housing: Metal, anodized aluminum.
* Internal Coating: Silicone.
* Terminals: Solder-coated axial
* Derating: Linearly from 100% @ +25 C to 0% @ +275 C.
* Power rating: Rating is based on chassis mounting area and temperature stability. Proper heat sink as follows: 5W and 10W units, 4" x 6" x 2" x .040" Aluminum chassis; 25W units, 5" x 7" x 2" x .040" Aluminum chassis; 50W units, 12" x 12" x .059" Aluminum panel.
* Maximum ohmic values: See chart.
* Overload: 5 times rated wattage for 5 seconds.
* Temperature coefficient: Under 1 ohm: 90 ppm/ C; 1 to 9.99 ohms: 50 ppm/ C; 10 ohms and over: 20 ppm/ C.
* Dielectric withstanding voltage: 5W and 10W rating,1000 VAC; 25 and 50W ratings, 2250 VAC.
For more information on these resistors please click on the following link:
http://72.52.120.98/cgi-bin/showpage.cgi?product=89_series
Please contact me if you have any questions.
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