Connecting terminal

Details Connecting terminal Connecting terminal

2007-10-03

2010-11-02

Patel, T C (Department: 2839)

Electrical connectors

Metallic connector or contact also having securing part...

Reexamination Certificate

active

07824236

ABSTRACT:
A connecting terminal developed speedily while limiting a temperature rise when a current flows, comprising male and female terminals each having a wire crimp portion to which a wire is crimped, and a joint portion where the male and female terminals are joined to each other, wherein a contact resistance value of the whole connecting terminal is a sum of contact resistance values in the wire crimp portions and the joint portion, and a length of a contact portion is a sum of lengths of the wire crimp portions and the joint portion, wherein a normalized contact resistance value Rteris derived by dividing the contact resistance value by the length, and a relationship of a wire resistance value Rwireof the wire, a current value I and a permissive increase in temperature ΔT to the normalized contact resistance value Rteris expressed by Rter<ΔT/(752×I2)−3.7×Rwire.

REFERENCES:
patent: 3550067 (1970-12-01), Hansen
patent: 4655518 (1987-04-01), Johnson et al.
patent: 5746608 (1998-05-01), Taylor
patent: 6210239 (2001-04-01), Harting et al.
patent: 2008/0207009 (2008-08-01), Osada
patent: A-11-67311 (1999-03-01), None

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