Connectors · D-Sub Connectors
D-Sub Connectors & Backshells: OEM-Spec Assembly.
DB9, DB15, DB25, DB37 and high-density D-sub programs built on the Cavite floor — UFLPA input-traceability support; Philippine origin, Section 301-free for product that qualifies as Philippine origin (standard US import duties may still apply, as determined by your customs broker), EMI backshells and correct jackscrews, 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 d-sub connectors Programs Slip.
Issue #01
Backshell shield not 360-degree bonded — EMI fails at the D-sub
A metallized or die-cast D-sub backshell that only pigtails the braid to a ground pin leaks EMI and fails CISPR 25 at the connector. We terminate the cable shield 360 degrees to the backshell body with the correct clamp and continuity-verify the shell-to-shield path, so the D-sub shell carries the shield, not a pin.
Issue #02
Jackscrew thread mismatch: 4-40 UNC vs M3
D-sub jackscrews come in 4-40 UNC (imperial) and M3 (metric); the wrong thread cross-threads the panel standoff and strips it. We match jackscrew / jack-post thread to the mating hardware on the drawing and verify the pair before pack-out.
Issue #03
Gender or pin-out reversed on the molded end
A DB25 wired to the mirror pin map, or a male built where the mate needs female, is not caught until system integration. Our build station binds the pin map and gender to the drawing and 100%-continuity tests every assembly.
Issue #04
Stamped contacts where the app needs machined
Stamped-and-formed D-sub contacts are fine for benign signal duty but wear and lose normal force faster than machined (turned) contacts on high-cycle or high-reliability applications. We call out stamped vs. machined per the reliability requirement instead of defaulting to the cheapest contact.
Issue #05
Mixed-layout (combo-D) power/coax contacts mis-seated
Combination D-sub (combo-D) inserts mix signal, high-current, and coax contacts in one shell; a high-current contact crimped with the signal die overheats. Our cell uses the correct applicator per contact class and pull-tests each contact type to its own spec.
What We Build
The Capability Stack Behind The Build.
360-degree EMI backshell termination
Cable shield is clamped 360 degrees to a conductive backshell and the shell-to-shield continuity is verified; backshell entry angle (straight / 45 / 90) and strain relief are built to the drawing.
Jackscrew / jack-post hardware matched and torqued
4-40 UNC or M3 jackscrews and jack-posts are matched to the mating hardware and seated to a repeatable torque so the D-sub retains under vibration without stripping the panel.
Machined or stamped contacts to the reliability spec
We build with machined (turned) or stamped contacts per the application, gold-plated to the mating-cycle requirement, and gate incoming plating thickness by X-ray.
100% continuity, HiPot, and contact retention
Every D-sub assembly runs 100% continuity and 1500 V HiPot on a Cirris tester; contact retention and insertion/extraction force are checked per EIA-364-29 / -13.
Combo-D signal + power + coax in one shell
Combination D-sub inserts (e.g. 13W3, 21W1, 24W7) are built with the correct applicator per contact class, and high-current and coax contacts are pull- and impedance-checked to their own specs.
Shielding and vibration validation by program per CISPR 25 / EIA-364
ISO 9001 quality-system practices and IPC/WHMA-A-620 operator workmanship; ISO 9001 and IATF 16949 certificates held by Hebei Cloom
Cirris CR/CH 100% continuity and 1500 V HiPot
FAQ
Procurement Questions, Answered.
Q.01What is the minimum order quantity for d-sub connectors?
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What is the minimum order quantity for d-sub connectors?
Q.02How much do d-sub connector assemblies cost?
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How much do d-sub connector assemblies cost?
Q.03What lead time do you commit to on d-sub connectors after RFQ?
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What lead time do you commit to on d-sub connectors after RFQ?
Q.04Do d-sub connector shipments avoid the China Section 301 tariffs into the US?
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Do d-sub connector shipments avoid the China Section 301 tariffs into the US?
Q.05Can you supply metal EMI backshells and the right jackscrews?
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Can you supply metal EMI backshells and the right jackscrews?
Q.06Do you ship d-sub connector samples for free?
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Do you ship d-sub connector samples for free?
Q.07Can you handle the d-sub engineering review before we have a finalized drawing?
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Can you handle the d-sub engineering review before we have a finalized drawing?
Q.08What packaging protects this build? (D-Sub)
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What packaging protects this build? (D-Sub)
Q.09How are common failures screened? (D-Sub)
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How are common failures screened? (D-Sub)
Q.10Are tooling fees required? (D-Sub)
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Are tooling fees required? (D-Sub)
Related Builds
Industries
Submit RFQ
Submit your D-Sub Connector 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 a certificate of origin documenting Philippine origin to support your customs broker's import filing. Standards reference: D-subminiature (https://en.wikipedia.org/wiki/D-subminiature), IPC standards (https://en.wikipedia.org/wiki/IPC_%28electronics%29).
Reviewed by
Chen Zhongyong — Department Head · Wire Harness, XUDONG Philippines
Philippines-based, with years of factory management experience across the Cavite wire-harness operation. Coordinates every production stage — from drawing and BOM review through crimping, assembly, and test — with strong wire-harness production-coordination capability.
Next Step
Ready For Your D-Sub Connectors 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.