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2026-08-04

Positive Locking Terminals: Where Secondary Retention Is Essential

Positive Locking Terminals: Where Secondary Retention Is Essential When a harness engineer in Shenzhen found a contact sitting back in a connector after a bench check, the visible symptom looked like a poor terminal. The review showed a selection and assembly gap: the mating-interface lock, the contact-to-housing retention feature, and the secondary lock had been […]

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2026-08-04

Female Terminal Contact Retention: Causes of Back-Out and How to Prevent It

Female Terminal Contact Retention: Causes of Back-Out and How to Prevent It A harness can pass a continuity check at the bench yet develop an intermittent circuit after the connector is mated or the wires are dressed. If a female contact shifts rearward in its cavity, the first question is whether its primary retention feature […]

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2026-08-01

Connector Polarization and Keying: Preventing Mis-Mating in Production

Connector Polarization and Keying: Preventing Mis-Mating in Production Several similar plugs can reach adjacent receptacles in one assembly. A connector may also approach its correct mate upside down, or stop partway while its contacts have already touched. A label cannot physically prevent these conditions, and a latch sound alone does not prove every terminal is […]

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2026-07-31

Plug vs Receptacle Connectors: A Design Guide for Mating Interfaces

Plug vs Receptacle Connectors: A Design Guide for Mating Interfaces A buyer can order a “receptacle” and still receive the wrong half of a connector system. The term may describe the housing’s mating role, a female socket contact, or a fixed mounting position, depending on the catalogue field and product family. A crimp receptacle contact, […]

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2026-07-30

Nylon vs PBT Connector Housings: How Material Choice Affects Reliability

Nylon vs PBT Connector Housings: How Material Choice Affects Reliability A housing that fits at incoming inspection can behave differently after humid storage or service. That matters when a small change at a latch, terminal cavity or seal interface affects assembly and retention. The tempting shortcut is to select nylon for toughness or PBT for […]

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2026-07-29

Connector Housing Selection: Material, Keying and Retention Features

Connector Housing Selection: Material, Keying and Retention Features A housing can resemble an existing component and still accept the wrong terminal, permit an unintended mating pair or behave differently after moisture conditioning. For an engineer or buyer replacing a connector, a photograph and cavity count therefore leave important questions unanswered. A fit trial on an […]

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