Connectors for separable firing unit assemblies, separable firing unit assemblies, and related methods

A separable firing unit assembly, comprising:

• an initiation device configured to ignite a material and comprising a first mating connector comprising a first housing and a first electrical interface disposed at least partially within a first recess defined by a portion of the first housing;
• and
• an electronics assembly configured to transmit a firing pulse to the initiation device and comprising a second mating connector configured for removable connection to the first mating connector, the second mating connector comprising a second housing and a second electrical interface disposed at least partially within a second recess defined by a portion of the second housing, wherein the first mating connector of the initiation device and the second mating connector of the electronics assembly are configured to form an electrical connection between the first electrical interface and the second electrical interface when a portion of the first mating connector is cooperatively engaged with a portion of the second mating connector, wherein the first electrical interface comprises a first contacting portion configured to physically contact and form an electrical connection with a second contacting portion of the second electrical interface, wherein the first contacting portion is at least partially disposed within the first recess defined by a portion of the first housing, and wherein the second contacting portion is at least partially disposed within the second recess defined by the portion of the second housing.

A separable firing unit assembly, comprising:

• an initiation device configured to ignite a material and comprising a first mating connector comprising:
• a first housing;
• a first electrical interface disposed in a first interface recess at least partially defined by an interior surface of a first housing member of the first housing;
• and
• a second housing member of the first housing at least partially surrounding the first member, wherein the first housing member and the second housing member form an annular recess therebetween;
• and
• an electronics assembly configured to transmit a firing pulse to the initiation device and comprising a second mating connector configured for removable connection to the first mating connector, the second mating connector comprising:
• a second housing;
• and
• a second electrical interface disposed in a second interface recess at least partially defined by an interior surface of an additional housing member of the second housing;
• wherein the additional housing member of the second housing is received within the annular recess of the first housing when the first mating connector and the second mating connector are cooperatively engaged.