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Specifications
Resistance:
2.5kΩ
Power(Watts):
25W
Type:
Wirewound Resistor
Tolerance:
±1%
Temperature Coefficient:
±20ppm/℃
Mfr. Part #:
825F2K5
Key Attributes
Model Number:
825F2K5
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, excellent stability (0.5% R), and robust construction to withstand vibration, shock, and harsh environmental conditions. The metal housing facilitates chassis mounting and provides effective heat-sinking capabilities, ensuring high stability during operation. Non-inductive versions are available for specialized needs.
Product Attributes
- Brand: Ohmite
- Series: 89 Series Metal-Mite
- Housing Material: Anodized Aluminum
- Internal Coating: Silicone
- Core Material: Ceramic
- Terminals: Solder-coated axial
- Certifications: RoHS Compliant (as of Sep 2006, no longer Mil. Spec.)
Technical Specifications
| Series | Wattage | Ohmic Value Range | Tolerance | Temperature Coefficient | Dielectric Withstanding Voltage |
| 805 | 5W | 0.10-25K | 1%, 5% | <1: 90 ppm/C; 1-9.99: 50 ppm/C; 10: 20 ppm/C | 1000 VAC (5W & 10W) |
| 810 | 10W | 0.10-50K | 1%, 5% | <1: 90 ppm/C; 1-9.99: 50 ppm/C; 10: 20 ppm/C | 1000 VAC (5W & 10W) |
| 825 | 25W | 0.010-75K | 1%, 5% | <1: 90 ppm/C; 1-9.99: 50 ppm/C; 10: 20 ppm/C | 2250 VAC (25W & 50W) |
| 850 | 50W | 0.005-100K | 1%, 5% | <1: 90 ppm/C; 1-9.99: 50 ppm/C; 10: 20 ppm/C | 2250 VAC (25W & 50W) |
Other Specifications
- Derating: Linearly from 100% @ +25C to 0% @ +275C.
- Power Rating Basis: Chassis mounting area and temperature stability. Specific chassis/panel dimensions required for each wattage.
- Overload: 5 times rated wattage for 5 seconds.
- Non-Inductive Versions: Available (insert 'N' before tolerance code, e.g., 850NF560).
- Dimensions: Refer to the provided dimension table for specific series (805, 810, 825, 850).
2411220655_Ohmite-825F2K5_C19626119.pdf
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