J30J-21ZKW Micro Rectangular Electrical Connector 21 Contact Right Angle PCB Receptacle
Product Details
Rectangular electrical connector
,Micro electrical connector
,21 Contact electrical connectors
The J30J micro rectangular connector series provides a miniature, lightweight, and high-density interconnection solution for electronic equipment requiring reliable electrical connection in a compact structure. The series conforms to GJB2446A, equivalent to MIL-C-83513, and is structurally matched with the MDM series micro connector design.
Its contact system adopts elastic stranded pin technology, commonly known as twist pin contact technology. This design helps maintain stable contact pressure, reliable electrical continuity, and good mating performance under vibration, shock, and frequent plugging conditions. The connector features a dense contact arrangement with 1.27 mm transverse spacing and 1.1 mm row spacing, making it suitable for applications requiring multiple circuits in a small installation area.
The metal shielding shell provides structural protection and helps improve signal stability. Optional metal rear covers are available for cable assembly, strain relief, and additional protection. The series includes a wide range of contact counts: 9, 15, 21, 25, 31, 37, 51, 66, 74, 100, and 144 contacts, allowing users to choose the proper configuration according to circuit density and equipment layout.
J30J connectors can be applied in cable-to-cable connection, cable-to-board connection, and board-to-board connection. PCB versions can be supplied with modified tail structures to match different board hole spacing designs. Combining high contact density, compact dimensions, flexible installation, and stable environmental performance, the J30J series is a practical rectangular connector solution for compact electronic instruments, control modules, communication devices, and test equipment.
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Plug/Receptacle Type |
Basic Designation |
Structural Features |
Remarks |
Page No. |
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Crimp Type |
Basic Type |
Plug J30J-TJ Receptacle J30J-ZK |
Metal shell,wire crimp termination,straight cable outlet |
Locking component types may be selected according to specific requirements |
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Modified Type |
Plug J30J-TJ-A Receptacle J30J-ZK-A |
Compared with J30J-ZK/TJ products,a straight cable clamp is added at the rear of the product, and the cable is covered with a metal protective sleeve |
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Plug J30J-TJ-C Receptacle J30J-ZK-C |
Compared with J30J-ZK/TJ products,the wire exits at a 90°angle |
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Plug J30J-TJ-C1 Receptacle J30J-ZK-C1 |
On the basis of the original J30J series crimp-wire products,an angled cable clamp is added, the wire bundle is covered with a metal protective sleeve,and there is one cable outlet on the same side |
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Plug J30J-TJ-C2 Receptacle J30J-ZK-C2 |
Compared with J30J-ZK-C1/TJ-C1 products,the outlet direction is opposite;all other features are the same |
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Plug J30J-TJ-C3 Receptacle J30J-ZK-C3 |
On the basis of the original J30J series crimp-wire products,an angled cable clamp is added, the wire bundle is covered with a metal protective sleeve,and there are two cable outlets on the same side |
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Plug J30J-TJ-C4 Receptacle J30J-ZK-C4 |
On the basis of the original J30J series crimp-wire products,an angled cable clamp rear cover is added,and there are cable outlets on both sides |
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Plug J30J-TJ-D Receptacle J30J-ZK-D |
Compared with J30J-ZK/TJ products,an anti-rotation slot is added to the square flange |
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Plug J30J-TJ-AD Receptacle J30J-ZK-AD |
Compared with J30J-ZK/TJ-A products,anti-slip grooves are added on the side of the shell,and an anti-rotation slot is added to the square flange |
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Plug J30J-TJ-Q Receptacle J30J-ZK-Q |
Compared with J30J-ZK/TJ products,the shell square flange and mounting dimensions are enlarged to the corresponding dimensions |
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Plug J30J-TJ-Q8 Receptacle J30J-ZK-Q8 |
Compared with J30J-ZK/TJ products,the shell square flange and mounting dimensions are enlarged to the corresponding dimensions |
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Plug J30J-TJ-AQ8 Receptacle J30J-ZK-AQ8 |
Compared with J30J-ZK-A/TJ-A products,the shell square flange and mounting dimensions are enlarged to the corresponding dimensions |
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Solder Type |
Plug J30J-TJS Receptacle J30J-ZKS |
Compared with J30J-ZK/TJproducts,the contact termination form is solder cup type |
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Straight PCB Type |
Plug J30J-TJN Receptacle J30J-ZKN |
The contact termination form is changed to straight PCB type,with PCB grid spacing 2.54*2.54,recommended PCB thickness (1.6-2.5 mm) |
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Plug J30J-TJN-J Receptacle J30J-ZKN-J |
The contact termination form is changed to straight PCB type,with PCB grid spacing 1.27*2.54,recommended PCB thickness (1.6-2.5 mm) |
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Plug J30J-TJN(X) Receptacle J30J-ZKN(X) |
Compared with J30J-ZKN/TJN,the pin length is increased,recommended PCB thickness(1.6-3.5 mm) |
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PlugModel |
A |
B |
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J30J-9ZKW |
19.6 |
14.3 |
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J30J-15ZKW |
23.5 |
18.2 |
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J30J-21ZKW |
27.4 |
22 |
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J30J-25ZKW |
29.8 |
24.5 |
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J30J-31ZKW |
33.6 |
28.3 |
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J30J-37ZKW |
37.4 |
32.2 |
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VIt keeps stable performance even in high-temperature workshop environments.
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TWidely adopted on coastal marine electronic systems. It has superior moisture and salt spray resistance. The locking structure remains reliable after years of service in humid marine conditions.
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NLow heat generation during operation, very reliable for equipment running around the clock.
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