AN103C Search Results

l4989 test coil

Abstract: MIL-S-55433 l4991 RS421 L4989 L4988 magnetic read switch circuit AN103C "Reed Switch" MAGNETIC REED SWITCH
Text: Application Note AN103C Measuring Reed Switch Sensitivity and Contact Resistance The purpose of this application note is to document the preferred method of reading the sensitivity and contact resistance of Hamlin reed switches. Terminology: • Contact resistance or CR is the resistance of the reed switch when the contacts are closed.