Fusible metal film resistor

Details Fusible metal film resistor Fusible metal film resistor

1976-02-12

1977-07-26

Ives, P. C.

Stock material or miscellaneous articles

Composite

338308, 428432, 428433, 428446, 428454, 428539, 427101, 427255, B32B 904

Patent

active

040384578

ABSTRACT:
A fusible metal film resistor comprising a substrate of an electrically insulating material and a resistive film formed on the substrate, which consists of nickel, 4 to 12 weight % of phosphorus and 0.05 to 10 weight % of at least one additive metal of iron, tin, manganese and bismuth, has a stable and small temperature coefficient of resistance suitable as a precision resistor at a normal load and disconnects easily and rapidly at abnormal overload due to a rapid decrease of resistance at a high temperature which leads to fusion of the film as a result of heat generated by increased current.

REFERENCES:
patent: 2772190 (1956-11-01), Haayman et al.
patent: 2791521 (1957-05-01), Jaffe
patent: 3723175 (1973-03-01), Masuyama et al.
patent: 3931447 (1976-01-01), Grisaffe et al.
patent: 3958071 (1976-05-01), Hieber et al.

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