Precision Ohmite 810F500 resistor with 1 percent tolerance and stable temperature coefficient ratings

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Product Description

Product Overview

The 89 Series Metal-Mite is a high-performance, aluminum-housed axial terminal wirewound resistor designed for demanding applications. These resistors offer a high power-to-size ratio and excellent stability, making them suitable for harsh environmental conditions, vibration, and shock. The metal housing facilitates chassis mounting and provides effective heat-sinking capabilities, ensuring high stability during operation.

Product Attributes

Brand: Ohmite
Series: 89 Series Metal-Mite
Housing Material: Anodized Aluminum
Internal Coating: Silicone
Core Material: Ceramic
Terminals: Solder-coated axial
Non-Inductive versions available
RoHS Compliant
As of September 2006, the 89 Series is no longer offered as Mil. Spec.
Dimensions have changed as of August 2015

Technical Specifications

Series	Wattage	Resistance Range (Ohms)	Tolerance	Temperature Coefficient	Dielectric Withstanding Voltage	Overload
805	5W	0.10-25K	1%, 5%	<1: 90 ppm/C; 1-9.99: 50 ppm/C; 10: 20 ppm/C	1000 VAC	5x rated wattage for 5 seconds
810	10W	0.10-50K	1%, 5%	<1: 90 ppm/C; 1-9.99: 50 ppm/C; 10: 20 ppm/C	1000 VAC	5x rated wattage for 5 seconds
825	25W	0.010-75K	1%, 5%	<1: 90 ppm/C; 1-9.99: 50 ppm/C; 10: 20 ppm/C	2250 VAC	5x rated wattage for 5 seconds
850	50W	0.005-100K	1%, 5%	<1: 90 ppm/C; 1-9.99: 50 ppm/C; 10: 20 ppm/C	2250 VAC	5x rated wattage for 5 seconds

Series	Part Number Prefix	Wattage	Suffix	Ohmic Value	Standard Values	Non-Standard Values
805	805F	5	F (1%), J (5%)	See chart	△	○
810	810F	10	F (1%), J (5%)	See chart	△	○
825	825F	25	F (1%), J (5%)	See chart	△	○
850	850F	50	F (1%), J (5%)	See chart	△	○

Model	A (in./mm)	B (in./mm)	C (in./mm)	D (in./mm)	E (in./mm)	F (in./mm)	G (in./mm)	H (in./mm)	J (in./mm)	K (in./mm)	L (in./mm)
805	0.65 / 16.5	1.18 / 30.0	0.35 / 8.8	0.33 / 8.5	0.63 / 15.9	0.44 / 11.3	0.49 / 12.4	0.18 / 4.5	0.09 / 2.4	0.07 / 1.8	0.09 / 2.4
810	0.83 / 21.0	1.44 / 36.5	0.43 / 11.0	0.44 / 11.2	0.78 / 19.9	0.56 / 14.3	0.63 / 15.9	0.22 / 5.5	0.11 / 2.8	0.07 / 1.8	0.09 / 2.4
825	1.10 / 28.0	2.01 / 51.0	0.58 / 14.8	0.56 / 14.2	1.07 / 27.3	0.72 / 18.3	0.78 / 19.8	0.30 / 7.7	0.20 / 5.2	0.10 / 2.6	0.13 / 3.2
850	1.10 / 28.0	2.85 / 72.5	0.58 / 14.8	0.56 / 14.2	1.93 / 49.1	1.56 / 39.7	0.84 / 21.4	0.33 / 8.4	0.20 / 5.2	0.10 / 2.6	0.13 / 3.2