MIL-DTL-83503/25C
REQUIREMENTS:
Design and construction:
Dimensions and configurations: See figure 1 and table I.
Temperature range: -55° to +120°C.
Voltage rating: 300 V rms.
Current rating: 1 ampere.
Materials:
Contacts: Contacts shall be phosphor bronze, copper alloy, or brass. Phosphor bronze in
accordance with ASTM B139, ASTM B159 or ASTM B103. Copper alloy UNS No. C51000 or brass
in accordance with copper alloy CDA 260 spring temper; or copper alloy UNS No. C72500
spring temper in accordance with ASTM B122.
Contact plating:
Contact area: Gold in accordance with MIL-DTL-83503.
Solder tail termination area: Gold, or tin-lead, in accordance with MIL-DTL-83503.
Housing: Glass field polyester in accordance with MIL-M-24519, type GPT-15F, GPT-20F,
GPT-30F.
Accessories: Parts may be constructed of polyester in accordance with MIL-M-24519 or other
materials specified in MIL-DTL-83503, provided these parts do not come in contact with current
carrying components.
Polarization key: Shall be permanently attached to header (added feature key shall be bonded to
header).
Mating connector: See MIL-DTL-83503/7.
Solderless wrappost contacts:
Wrappost geometry: .045 inch (1.14 mm) square wrappost in accordance with figures 2 and 3.
Parallelism: See figure 3 and table.
Tip configuration: The tip configuration of the wrappost shall terminate in a radius or bevel to
facilitate insertion of the wrapping tool. See figure 3.
Solderless wrappost contact wire accommodation: 26 or 28 AWG solid.
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