J30J-51ZKSP | 51-Pin Micro-D Straight PCB Receptacle Connector
The J30J-51ZKSP is an ultra-high density 51-pin Micro-D straight PCB mount receptacle connector, featuring a vertical multi-row pin layout and high-performance socket contacts.
999999 in stock
- ISO & Quality Certifications
- 100% Intermateable with original parts.
- 1-Year Warranty with Full After-Sales Support
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J30J-51ZKSP Ultra-Dense 51-Pin Vertical Integration for High-Layer Boards
The J30J-51ZKSP is a premium Micro-D receptacle connector engineered for straight vertical integration onto advanced, high-layer printed circuit boards. Utilizing a 51-pin multi-row staggered footprint within a sub-miniature envelope, this interface delivers massive signal concentration without expanding the horizontal footprint on the board edge. This vertical architecture is a major asset for advanced mission computers, high-throughput signal processors, and satellite payload arrays where surface area is heavily restricted. It allows developers to route extensive digital logic, sensor feeds, and power returns directly down into the circuit layers.
Key Specifications
Shell Material | Voltage Rating | Current Rating | Operating Temp | Mating Cycles |
|---|---|---|---|---|
Aluminum alloy | ~800 VAC | 3 A | -55 °C to +125 °C | >500 |

Specialized Straight Terminals for Balanced Load Distribution
The backend of the J30J-51ZKSP features fifty-one solid metal straight terminals engineered to insert directly into board through-holes. This high terminal count provides an expanded conductive path that aids in uniform heat dissipation across the localized board area, preventing localized thermal stress when multiple channels operate at capacity. The pins are manufactured to strict physical tolerances, ensuring a predictable insertion grid that simplifies complex multi-layer trace routing. The high-performance polymer insulator maintains structural stability under intense thermal loads, keeping the 1.27mm spacing completely true during the assembly process.
Advanced Female Socket Matrix for Continuous Signal Flow
As a dedicated high-reliability receptacle, the J30J-51ZKSP houses fifty-one precision-machined female socket sleeves. Each internal contact is manufactured from high-tensile copper alloy wire strands and finished with premium gold over nickel plating. Upon insertion of the matching plug twist-pins, the socket walls create a continuous inward spring pressure along with a mechanical wiping action. This action sweeps away microscopic particulates and localized oxidation from the conductive surfaces, guaranteeing continuous signal continuity across all 51 channels and preventing momentary circuit drops during intense vibration.
Heavy Structural Protection and Stress Mitigation
Housed within a high-tensile aluminum alloy shell, the J30J-51ZKSP offers excellent physical durability alongside continuous electromagnetic and radio-frequency shielding. The metal casing isolates the dense internal signal matrix from external high-frequency electrical fields, maintaining signal integrity for both data and power lines. This structural frame also acts as a mechanical anchor on the board surface, absorbing the high mating and unmating forces associated with 51-pin interfaces. This design prevents dynamic pulling stresses from reaching the delicate underlying through-hole solder fillets.

Standardized Compliance for Seamless Modernization
The J30J-51ZKSP is manufactured in strict accordance with recognized military and high-reliability Micro-D technical criteria, guaranteeing mechanical and electrical intermateability with matching 51-pin plugs. This absolute adherence to manufacturing standards eases the sourcing process and simplifies equipment retrofitting, allowing engineering teams to replace legacy hardware configurations without reworking the structural enclosure. Its verified durability across high temperature extremes makes it an ideal, high-density interconnect solution for industrial robotics testing arrays, tactical UAV systems, and advanced naval instrumentation.
FAQ
What does the 'P' suffix indicate in the J30J-51ZKSP part number?
What does the 'P' suffix indicate in the J30J-51ZKSP part number?
The ‘P’ confirms that the connector is configured for straight vertical PCB mounting, featuring solid through-hole terminals that insert directly into the board.
Does this 51-pin connector contain pins or socket contacts?
Does this 51-pin connector contain pins or socket contacts?
As a ‘ZK’ type connector, it is a receptacle containing fifty-one female internal socket contacts designed to receive matching male twist-pin plugs.
How are the 51 contacts arranged within the connector footprint?
How are the 51 contacts arranged within the connector footprint?
To maintain a highly compact envelope, the 51 contacts are organized in a staggered multi-row configuration with a 1.27mm contact pitch to maximize routing efficiency.
What is the standard plating on the internal socket contacts?
What is the standard plating on the internal socket contacts?
The contacts are plated with high-purity gold over nickel to provide excellent corrosion resistance and ultra-low contact resistance over extensive mating cycles.
Can this straight PCB receptacle withstand wave soldering temperatures?
Can this straight PCB receptacle withstand wave soldering temperatures?
Yes, the internal insulator is constructed from advanced engineering thermoplastics that withstand standard industrial wave and manual soldering temperatures without warping.
Certification
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