1481-G

The General Radio 1481-G Inductor was introduced in Catalog M (1951) and remained available through Catalog R (1963).

The Type 1481-G inductor is of the toroid wound, dust-core design. The toroid is clamped between the two aluminum case halves. The 1481-G inductor is derived from Types 940 and 1490 decade inductors. Each inductor is engraved with nominal inductance, accuracy, and inductance change versus current. The connections are Type 938-B Jack-Top binding posts, one being grounded.

See the overview page 1481 for the complete series.

Specifications

• Nominal Inductance: 100 mH
• Adjustment Accuracy: ±0.4%
• RMS Current: 2.4 mA
• Resonant Frequency: 94 kHz
• DC Resistance: 4.3 Ω approximately

Links

• Experimenter December 1950 describing Type 1491 Series

Photos

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