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Actually, we switched to these after testing a half-dozen other ring terminals, and what sealed it was teh injection molding process giving consistently good crimp pull strength, even on thinner copper strands where cheaper stamped ones tend to split—makes terminal placement on terminal blocks much faster in our assembly jigs.
Tempearture tolerance is typical at -10 to 75ºC for this class, but we've found the brazedseam holds up noticeably better than standerd tin-plated in thermal cycling; the QC guy confirmed carbon buildup was more uniform too, roughly 10-15% increase in contact life across our clamped setups, though we haven't nailed exact numbers yet.
MOQ on the four color options is 1,000 pieces per color, give or take, but we negotiated mixing yellow and black for the RHT1.25-3 2-4 5.5-5 sizes in a single bulk lot—they'll do 5,000 total without a packing premium if you ask.
But I'd note they aren't ideal for high-vibration engine compartments unless you add a locking washer ring, since PVC insulation sometimes creeps a bit over 60ºC if torqued hard, something we learned after a field repair batch last summer.
One concrete thing I'd mention: the stamping edge on the copper terminal barrels is smoother than most large-roll ODM stock we've handled, so finger cuts during hand-feeding are basically nonexistent even on a full production day.
Colors are color-coded to wire gauge—red for 22-16 AWG, blue for 16-14 AWG, black for 12-10 AWG, and yellow for 10-8 AWG (the 5.5-5 size)—so mixed kits miss that quick visual segregation, but we prefer ordering in single colors anyway for bin sorting.
The model number indicates the wire size range each terminal fits. RHT1.25 is for 1.25mm² wire, while the dash numbers like 3, 2-4, and 5.5-5 refer to the stud size or wire range for different variants in the batch. Check the spec sheet for exact matches.
We typically require a 500-piece minimum per model for bulk orders. If you need smaller quantities, we can discuss sample packs or mixed lots. Just let us know your target volume.
Standard lead time is around 7-10 business days after order confirmation. For larger quantities over 10,000 pieces, expect 2-3 weeks. We can expedite if you need them sooner—just ask.
Yes, they are made to environmental protection standards, and we can provide a material certification and ROHS compliance document upon request. We don’t have UL or CE for this line, but the tin-plated brazed seam ensures good conductivity and corrosion resistance.
We only stock the four colors listed for this model, but custom color runs are possible for orders over 5,000 pieces per color. There’s a small setup fee and longer lead time—reach out to confirm feasibility.
