Cable Assembly · Twinax Cable Assembly
Twinax Cable Assembly: Engineered To IPC/WHMA-A-620 Class 3.
Twinax Cable Assembly programs built on the Cavite floor — UFLPA-clean Philippine origin, Section 301 tariff-free, IPC/WHMA-A-620 Class 3 acceptance by default. Send the drawing or part number and we will reply with unit price, lead time, and a sample plan inside 12 hours.
Buyer Reality
Where Most twinax cable assembly Programs Slip.
Issue #01
Twinax 100 Ω differential drift to 92 Ω at production run
Pair-twist count drift on the production reel walks differential impedance from 100 Ω to 92 Ω, killing 25G eye. Our Iosso pair-twist verifier on every reel holds 100 Ω ± 4 Ω per IEC 61156-5.
Issue #02
Twinax skew > 5 ps/m on 25 Gbps lanes
Asymmetric pair-twist drives > 5 ps/m skew, closing the 25G eye. Our pair-skew trim cell on every twinax assembly holds skew ≤ 3 ps/m, characterised on Tek DSA8300.
Issue #03
SFP-DD twinax pull force degrades retention past 250 cycles
SFP-DD passive twinax loses tab-retention past 250 mate cycles per SFF-8418. Our reinforced steel-tab cage with 4-point retention holds spec through 1,000 cycles.
Issue #04
Twinax shield braid pigtail at boot exit lifts EMI past 1 GHz
Pigtail-style shield termination on twinax leaks EMI past 1 GHz per IEEE 802.3by. Our 360 ° drain-wire bond + reflow EMI ferrule holds shielding effectiveness ≥ 60 dB to 6 GHz.
Issue #05
Twinax overmold ingress contaminates centre conductor at 85 °C / 85 % RH
Overmold seal failure ingresses moisture per JEDEC J-STD-020 85 °C / 85 % RH, lifting centre-conductor resistance. Our dual-stage overmold + Teflon-tape seal passes 1,000 hours.
What We Build
The Capability Stack Behind The Build.
Pair-skew trim ≤ 3 ps/m on Tek DSA8300
Twinax pair-skew trim cell holds skew ≤ 3 ps/m per IEC 61156-5. Skew cert per assembly on Tek DSA8300.
100 Ω ± 4 Ω twinax cable stock per IEC 61156-5
Bonded-foil 100 Ω ± 4 Ω twinax cable stock per IEC 61156-5 for 25G/50G/100G IB / Ethernet protocols.
SFF-8418 SFP-DD passive twinax build cell
SFP-DD passive twinax build cell per SFF-8418 with reinforced steel-tab cage. 1,000-cycle mate retention cert.
85/85 humidity-soak per JEDEC J-STD-020
85 °C / 85 % RH humidity soak chamber 1,000 hours per JEDEC J-STD-020 on twinax overmold seal. Family cert filed.
EMI 360 ° reflow ferrule per IEEE 802.3by
360 ° EMI ferrule reflow on every twinax shield termination per IEEE 802.3by. Shielding effectiveness ≥ 60 dB to 6 GHz on GTEM.
Real Project Snapshot · US · marine · 2025-Q3 → 2026-Q1
A Build We Already Shipped In This Lane.
Scenario
During the quoting phase for a US marine vessel manufacturer, cost competitiveness was a critical decision factor against incumbent suppliers.
Challenge
The customer required high cost-competitiveness, but standard materials led to higher pricing. Using alternative Chinese-manufactured materials raised potential concerns about reliability and compliance from the customer.
Outcome
Overcame customer hesitation regarding alternative materials, proving cost-effectiveness without sacrificing quality, which led to the customer approving the tooling phase.
Anonymized customer detail. Concrete numbers preserved verbatim.
Cirris CR/CH 100% continuity and 1500 V HiPot
12-hour RFQ response from the engineering desk, not sales
IATF 16949 + IPC/WHMA-A-620 Class 3, audited annually
FAQ
Procurement Questions, Answered.
Q.01What is the minimum order quantity for twinax cable assembly?
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What is the minimum order quantity for twinax cable assembly?
Q.02What lead time do you commit to on twinax cable assembly after RFQ?
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What lead time do you commit to on twinax cable assembly after RFQ?
Q.03Are twinax cable assembly shipments duty-free into the US?
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Are twinax cable assembly shipments duty-free into the US?
Q.04Do you ship twinax cable assembly samples for free?
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Do you ship twinax cable assembly samples for free?
Q.05Can you handle the twinax cable assembly engineering review before we have a finalized drawing?
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Can you handle the twinax cable assembly engineering review before we have a finalized drawing?
Q.06What packaging protects this build? (Twinax)
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What packaging protects this build? (Twinax)
Q.07Can you support PPAP Level 3? (Twinax)
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Can you support PPAP Level 3? (Twinax)
Q.08How are common failures screened? (Twinax)
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How are common failures screened? (Twinax)
Q.09What warranty and RMA window applies? (Twinax)
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What warranty and RMA window applies? (Twinax)
Q.10Are tooling fees required? (Twinax)
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Are tooling fees required? (Twinax)
Related Builds
Industries
Capabilities
Submit RFQ
Submit your Twinax Cable Assembly drawing.
Send the drawing, BOM, or part number plus annual volume. Engineering desk replies within 12 hours with unit price, lead time, sample plan, and Form A certificate-of-origin specimen if you need GSP filing assistance. Standards reference: IPC standards (https://en.wikipedia.org/wiki/IPC_%28electronics%29), UL Recognized component (https://en.wikipedia.org/wiki/UL_%28safety_organization%29).
Reviewed by Hommer Zhao- Cavite-based wire harness engineer at XUDONG, IPC/WHMA-A-620 Class 3 trained, 8+ years in automotive & medical harness manufacturing.
Next Step
Ready For Your Twinax Cable Assembly Quote?
Send the drawing, BOM, or part number. We reply within 12 hours with unit price, lead time, and a sample plan. Quote returned within 12 hours. NDA on file. No obligation.