Audio Gold Resistors
audio applications
Ohmite now offers the Audio Gold Resistor Family, specifically designed for high-end loudspeaker and amplifier applications. These resistors utilize high quality resistance wire wound on a ceramic core, terminated, and finished with our flameproof Centohm® coating. Ohmite’s Audio Gold resistors have been carefully engineered with non-magnetic materials to eliminate the effects of these stray magnetic fields on circuit performance, thereby resulting in simplified shielding requirements and improved sound quality. Audio Gold resistors are designed for use in cross-over networks and as source, emitter, or cathode resistors in balancing applications for output transducers.
Features
• 3 watt to 50 watts • Non-magnetic materials • Mono-metallic design • Welded connections • Non-inductive versions available • Reduces signal distortion • Minimizes thermal EMF • Reduces current noise • Superior mid-range frequency performance • Improved stability
speciFications
Material Resistor: copper-nickel Core: Ceramic Coating: Centohm® Terminals: copper-nickel Electrical Tolerance: 5% std., 1% available Temperature Coefficient: 50ppm/°C Overload: 5W and under, 5x rated power for 5 sec.; 10W and above, 10x rated power for five sec. Derating: Linearly from 100% @ 25°C to 0% @ 275°C
proDuct Dimensions
1.5 / 38.1 L D
series Wattage
ohms
Dimensions (in. / mm) Length Diam.
Voltage
Lead ga.
aG3 aG5 aG10
3.0 5.0 10.0
0.10-2K 0.10-8K 0.10-22K
0.593 / 15.1 0.937 / 23.8 1.78 / 45.2
0.218 / 5.5 0.343 / 8.7 0.406 / 10.3
200 460 1000
20 20 20
HoW to orDer
E = RoHS compliant Available Jan. 2006
1.50 in. -0 +0.25 38.10 mm -0 +6.35
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D L
L ohms Length Dimensions (in. / mm) D Diam. c Voltage ga.
C
Series AG
Lead series Wattage
i. D. core
Power Tolerance Rating J = 5% 3 = 3W F = 1% 5 = 5W 10 = 10W 12 = 12W 20 = 20W 25 = 25W 50 = 50W
Ohms R15 = 0.15 1R5 = 1.5 15R = 15 150 = 150 1K5 = 1500 15K = 15,000
aG12 aG20
12 20
0.10-20K 0.10-39K
1.75 / 44.5 2.0 / 50.8
0.313 / 7.9 0.188 / 4.76 0.438 / 11.1 0.25 / 6.35
625 750
18 18
D L
L Length
C
series Wattage
ohms
Dimensions (in. / mm) D c Diam. i. D. core
Voltage
aG25 aG50
25 50
0.10-39K 0.38-100K
2.0 / 50.8 4.0 / 101.6
0.562 / 14.3 0.562 / 14.3
0.313 / 7.94 0.313 / 7.94
625 1625
See page 34 of 4000 catalog for mounting hardware
4
Ohmite Manufacturing Company 3601 Howard St., Skokie, IL 60076 • Tel. 847-675-2600 • Fax 847-675-1505 • www.ohmite.com • info@ohmite.com
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