1481-A: Difference between revisions
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Revision as of 07:36, 11 August 2024
The General Radio 1481-A Inductor was introduced in Catalog M (1951) and remained available through Catalog R (1963).
The Type 1481-A inductor is of the toroid wound, dust-core design. The toroid is clamped between the two aluminum case halves. The 1481-A 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: 1 mH
- Adjustment Accuracy: ±1%
- RMS Current: 24 ma
- Resonant Frequency: 1.10 MHz
- DC Resistance: 0.043 Ω approximately
