Ratings and what they mean for selection
The 430452427: Rated 8A per contact at 600V — the voltage headroom is well above typical board-level power rails, so the 600V rating is not a constraint here. The 8A per circuit figure is governed by the tin plating (60.0µin thickness on mating and post side) and the LCP housing material's temperature rise limit. Tin at this thickness is the standard commercial grade — it handles the mating cycles typical of field service connections but not high-cycle test or programming scenarios. If your application demands gold-plated contacts, look to the Micro-Fit 3.0 Gold series which carries the same pitch and position counts at a higher plating grade.
Where this class is used
Board-to-cable power and signal distribution in automotive, industrial automation, and medical equipment — anywhere a compact dual-row interconnect with positive latching replaces loose individual wires or undersized barrel connectors. The shrouded header prevents accidental contact with live pins during handling and shipping.
Compliance and construction
UL94 V-0 rated LCP housing, ROHS3 compliant, operating range -40°C to 105°C. The liquid crystal polymer body handles the higher end of that range without deformation under typical SMT or hand-solder assembly profiles. All 24 positions are factory-loaded; no optional loading to specify.