J30J-37A3 Micro Rectangular Electrical Connectors 37 Contact A3 Type
The J30J series micro rectangular electrical connector is a compact high-density interconnection product developed for electronic equipment that requires reliable signal transmission in a limited mounting area. The series is designed to comply with GJB2446A, equivalent to MIL-C-83513, and corresponds to the MDM-type micro rectangular connector structure.
This series uses elastic stranded pin contacts, commonly known as twist pin contacts. The twist pin design helps provide stable contact pressure, reliable mating performance, and consistent electrical continuity during repeated plugging and operation. With a transverse contact pitch of 1.27 mm and row spacing of 1.1 mm, the connector can accommodate multiple circuits in a small rectangular interface, making it suitable for compact and lightweight system designs.
The connector is equipped with a metal shielding shell to improve mechanical protection and shielding performance. A metal rear cover can be selected according to cable assembly or installation requirements. The series provides 9, 15, 21, 25, 31, 37, 51, 66, 74, 100, and 144 contact options.
J30J connectors support cable-to-cable, cable-to-PCB, and PCB-to-PCB connection methods. Board-mount versions can be supplied with adjusted contact tails to fit different PCB hole spacing. With high density, small size, light weight, flexible mounting, and reliable resistance to vibration and impact, the J30J series is a practical rectangular connector solution for precision electronic systems.
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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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| Model | A | B | C | D | E | F | G |
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| J30J-9A3 | 19.6 | 9.9 | 27 | 10.4 | 14.3 | 2 | 4 |
| J30J-15A3 | 23.5 | 13.8 | 27 | 10.4 | 18.2 | 5.2 | 4 |
| J30J-21A3 | 27.4 | 17.6 | 28 | 10.4 | 22 | 6 | 4 |
| J30J-25A3 | 29.8 | 20.2 | 28 | 10.4 | 24.5 | 8.5 | 4 |
| J30J-31A3 | 33.6 | 24 | 28 | 10.4 | 28.3 | 10.4 | 4 |
| J30J-37A3 | 37.4 | 27.8 | 28 | 10.4 | 32.2 | 14.2 | 4 |
| J30J-51A3 | 36.4 | 26.6 | 30 | 11.2 | 30.86 | 13.2 | 4.8 |
| J30J-66A3 | 42.9 | 33 | 30 | 11.2 | 37.3 | 16 | 4.8 |
| J30J-74A3 | 38.8 | 29.1 | 30 | 12 | 33.5 | 15.5 | 5.6 |
| J30J-100A3 | 54.7 | 40.7 | 30 | 12 | 45.7 | 23 | 5.6 |
| J30J-144A3 | 66.6 | 53.6 | 30 | 12 | 58.6 | 33.4 | 5.6 |
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