1481-N
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The General Radio 1481-N Inductor was introduced in Catalog Q (1961) and remained available through Catalog R (1963).
The Type 1481-N inductor is of the toroid wound, dust-core design. The toroid is clamped between the two aluminum case halves. The 1481-N 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: 10 H
- Adjustment Accuracy: ±0.4%
- RMS Current: 0.24 mA
- Resonant Frequency: 9.5 kHz
- DC Resistance: 416 Ω approximately
