Description
Male DB9 Solder-Type D-Sub Connector
Product Overview
The Male DB9 Solder-Type Connector is a commercial-grade, standard-density D-Sub component engineered to deliver stable, low-resistance serial data and signal transmission. Featuring 9 precision solid pins arranged in two parallel rows (5 pins on top, 4 on the bottom), this connector is optimized for permanent wire-to-pin solder termination in custom cable assemblies and panel-mount interfaces.
Each contact pin terminates in a rear-facing solder cup that facilitates fast, efficient wire tinning and secure manual soldering. Built with a heavy-duty, tin-plated steel front shell and a high-insulation thermoplastic core, this connector provides robust mechanical strength, reliable grounding, and minimal contact resistance across standard serial communication paths.
Key Features
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Precision Rear Solder Cups: Features hollowed, easy-access solder terminal cups that retain wire strands cleanly during assembly, helping to prevent short-circuits or bridges between adjacent pins.
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Rugged Steel Front Shell: Encased in a stamped steel outer shell that offers excellent mechanical protection, structural grounding, and shielding against electromagnetic interference (EMI).
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High-Insulation Thermoplastic Core: Constructed with a glass-filled PBT insulator insert, providing exceptional thermal stability and preventing electrical tracking under compact wiring conditions.
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Standard Dual-Mounting Flange: Equipped with side flanged holes to facilitate secure mounting directly to enclosures, control panels, breakout boxes, or standard DB9 plastic/metal hoods.
Technical Specifications
| Parameter | Specification |
| Connector Type | Standard-Density D-Sub Male Plug (DB9) |
| Pin Configuration | 9 Pins (2 Rows: 5 Upper, 4 Lower) |
| Termination Style | Rear Solder Cup |
| Material (Shell) | Tin-Plated or Zinc-Plated Stamped Steel |
| Material (Insulator) | Glass-Filled Thermoplastic (PBT), UL 94V-0 Flame Retardant |
| Material (Contacts) | Premium Brass / Copper Alloy |
| Contact Plating | Flash Gold Plated over Nickel (Oxidation & Wear Resistant) |
| Current Rating | 3A to 5A Max per pin |
| Withstanding Voltage | 1000V AC for 1 minute |
| Contact Resistance | $\le 10\text{ m}\Omega$ |
Applications
The primary choice for manufacturing and repairing essential serial communication lines and custom peripheral interfaces:
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Serial RS-232 / RS-485 Cable Assemblies: Building custom COM port communication links, null modem cables, and peripheral data lines for computing hardware.
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Industrial PLC Control Networks: Assembling data download pipelines and interface cords running to programmable logic controllers (PLCs) and automated drives.
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CNC Machinery & Automation: Connecting signal routing lines between CNC breakout controllers, hand pendants, and stepper motor control modules.
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Automotive Diagnostic Hardware: Finishing specialized OBD-II adapter arrays, CAN bus analysis leads, and field data-logging system harnesses cleanly.
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