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825NF1K5E

产品描述Metal-Mite㈢ Aluminum Housed Axial Term. Wirewound, 1% Tolerance
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制造商Ohmite
官网地址https://www.ohmite.com
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825NF1K5E概述

Metal-Mite㈢ Aluminum Housed Axial Term. Wirewound, 1% Tolerance

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Metal-Mite
®
Aluminum Housed
Axial Terminal Wirewound, 1% Tolerance
The 89 Series is a high-performance axial type
resistor. These molded-construction metal-housed
resistors are available in higher power ratings than
standard axial resistors and are better suited to with-
standing 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.
89 series
F e at u r e s
• High Stability: ±0.5% ∆R
• High power to size ratio
• Metal housing allows chassis mounting and pro-
vides heat sink capability
s e r i e s s p e C i F i C at i o n s
Non-Inductive versions available. Insert “N” before tolerance code.
Example: 850NF560
Series
805
810
825
850
Wattage
5
10
25
50
Ohms
0.10-25K
0.10-50K
0.010-75K
0.005-100K
Voltage
210
320
520
1170
CharaCteristiCs
Housing
Metal, anodized aluminum
Internal Coating
Silicone
Core
Ceramic
Terminals
Solder-coated axial
Derating
Linearly from 100% @ +25°C to 0% @ +275°C.
Tolerance
±1% and ±5% (other tolerances available).
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 1Ω: ±90 ppm/°C; 1 to 9.99Ω: ±50 ppm/°C; 10Ω and over: ±20 ppm/°C.
Dielectric withstanding voltage
5W and 10W rating,1000 VAC; 25 and 50W ratings, 2250 VAC.
(continued)
128
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
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