HJ30J Series

Plug (TJ) + Socket (ZK) · 124 Variants · High-density Interconnect

The HJ30J Series is a high-speed micro-rectangular electrical connector series designed for mission-critical interconnect applications requiring high contact density, robust environmental sealing, and reliable signal integrity across extended temperature ranges.

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HJ30J Series

N5 and N8 variants share identical A, B, C dimensions; consult datasheet for pin length differences.

4.4 Vertical Surface Mount Products — HJ30J-TJNB-J / ZKNB-J 📄 Datasheet P.9

Plug ModelReceptacle ModelA (mm)B (mm)
HJ30J-12TJNB-JHJ30J-12ZKNB-J23.518.2
HJ30J-18TJNB-JHJ30J-18ZKNB-J27.421.97
HJ30J-24TJNB-JHJ30J-24ZKNB-J29.8424.51
HJ30J-30TJNB-JHJ30J-30ZKNB-J33.6628.32
HJ30J-36TJNB-JHJ30J-36ZKNB-J37.4632.13

4.5 Right-Angle PCB Products — HJ30J-TJW / ZKW 📄 Datasheet P.10

Plug ModelReceptacle ModelA (mm)B (mm)C (mm)
HJ30J-12TJWHJ30J-12ZKW23.518.27.57
HJ30J-18TJWHJ30J-18ZKW27.421.977.57
HJ30J-24TJWHJ30J-24ZKW29.8424.517.57
HJ30J-30TJWHJ30J-30ZKW33.6628.327.57
HJ30J-36TJWHJ30J-36ZKW37.4632.137.57
HJ30J-55TJWHJ30J-55ZKW33.127.411.8
HJ30J-100TJWHJ30J-100ZKW44.538.811.8

5. Recommended PCB Footprints

5.1 Straight PCB Mount — TJN / TJN5 / TJN8 & ZKN / ZKN5 / ZKN8 📄 Datasheet P.11

Core CountA (mm)B (mm)C (mm)N (Positions)
1218.256.3512
1821.97810.1618
2424.511113.9724
3028.321417.7830
3632.131721.5936
5527.41012.755
10038.81924.13100

5.2 Right-Angle PCB Mount — TJW & ZKW 📄 Datasheet P.12

Core CountA (mm)B (mm)C (mm)N (Positions)
1218.256.3512
1821.97810.1618
2424.511113.9724
3028.321417.7830
3632.131721.5936
5527.41012.755
10038.81924.13100

5.3 Surface Mount — TJNB-J & ZKNB-J 📄 Datasheet P.13

Core CountA (mm)B (mm)C (mm)N (Positions)
1218.256.3512
1821.97810.1618
2424.511113.9724
3028.321417.7830
3632.131721.5936

6. Locking Hardware Selection

6.1 Fixed-End Locking Components for Straight PCB 📄 Datasheet P.14

TypeA (mm)B (mm)C (mm)PCB ThicknessMating Free-End Type
P513.74.116≤ 2 mmL, L7, K
P8564.118.63 ~ 4 mmL, L7, K
P9254.1182 ~ 3 mmL, L7, K
V22Consult datasheet≤ 2 mmNo locking component

6.2 Fixed-End Locking Components for Right-Angle PCB 📄 Datasheet P.15-16

TypeCore RangeA (mm)B (mm)C (mm)MountingMating Free-End Type
P712~36 / 55~1004 / 67.6 / 11.8—Front mountL, L7, K
P212~36 / 55~1004 / 57.6 / 11.81Rear mount, hex screwL, L7, K
P1412~36 / 55~1004 / 57.6 / 11.83Rear mount, hex screwL, L7, K
P5812~36 / 55~1004 / 57.6 / 11.82Rear mount, slotted screwL, L7, K
P6012~36 / 55~1004 / 57.6 / 11.83Rear mount, slotted screwL, L7, K
V112~36 / 55~1004 / 57.6 / 11.8——No locking component
⚠️ Important: Ensure plug and receptacle locking components are mutually matched. Mismatched locking hardware will prevent proper mating. For surface mount products, P5 type locking components (refer to J30J series) are recommended.

📚 Related Technical Articles

1. Product Overview

The HJ30J Series delivers high-density interconnect in a compact micro-rectangular form factor. With 124 model variants spanning plug (TJ) and socket (ZK) configurations, multiple contact counts (12 · 18 · 24 · 30 · 36 · 55 · 100), and tail attachment options, it provides flexible integration for demanding industrial and aerospace applications.

Key Features:

  • Plug (TJ) + Socket (ZK) configurations available
  • Micro-rectangular form factor — space-efficient high-density packaging
  • Contact counts: 12 · 18 · 24 · 30 · 36 · 55 · 100 positions
  • Robust environmental performance — shock, vibration, temperature cycling
  • Industrial-grade reliability per applicable MIL/GJB standards

2. Technical Specifications

2.1 Electrical Performance

ParameterSpecification
Rated Voltage500 V AC/DC
Rated CurrentConsult datasheet A
Contact Resistance≤0.015 Ω
Insulation Resistance≥1000 MΩ (500 V DC)
Dielectric Withstand1000 V AC (sea level)
Operating Temperature12°C to 36°C

2.2 Mechanical & Environmental

ParameterSpecification
Vibration10–2000 Hz, 196 m/s²
Shock980 m/s², 6 ms
Humidity40°C, 90–95% RH, 96 h
Salt Spray48 h (standard) / 96 h (extended)
Mating Cycles≥500 cycles
Insulator MaterialHigh-temperature thermoplastic (PPS/LCP)
Contact MaterialCopper alloy, gold-plated

3. Model Variants (124 Total)

ModelTypeContactsConfiguration
HJ30J—30
HJ30J-100TJPlug30
HJ30J-100ZKSocket30
HJ30J-12TJPlug12
HJ30J-12TJL-APlug12Variant A
HJ30J-12TJYPlug12Y config
HJ30J-12ZKSocket12
HJ30J-18TJPlug18
HJ30J-18ZKSocket18
HJ30J-24TJPlug24
HJ30J-24ZKSocket24
HJ30J-30TJPlug30
HJ30J-30ZKSocket30
HJ30J-36TJPlug30
HJ30J-36ZKSocket30
HJ30J-55TJPlug30
HJ30J-55ZKSocket30
HJ30J-TJPlug30
HJ30J-TJ-APlug30Variant A
HJ30J-ZKSocket30

Showing 20 of 124 variants. Contact engineering for full configuration matrix.

4. Engineering Drawings

HJ30J Series Drawing HJ30J Series Drawing HJ30J Series Drawing

Dimensional outline drawings. Detailed CAD models and interface control documents available on request.

5. Quality Standards & Certifications

StandardDescription
GJB 101A-97Electrical Connector General Specification
GJB 1217A-2009Electrical Connector Test Methods
GJB 599AMil-DTL-83513 Compatible (Micro-D)
MIL-STD-202Test Methods for Electronic Components
IPC J-STD-001Soldering Reliability

6. Applications

  • Aviation Electronics — Flight control, navigation, communication systems
  • Aerospace Equipment — Orbital bus, payload, and ground support
  • Industrial Automation — Robotics, sensor arrays, distributed I/O
  • Marine & Offshore — Navigation, sonar, communication equipment
  • Rail & Transportation — Signaling, traction control, onboard systems
  • Test & Measurement — Instrumentation, data acquisition, ATE

7. FAQ

What connector configurations are available?

The HJ30J Series includes plug (TJ) and socket (ZK) variants with multiple contact counts (12 · 18 · 24 · 30 · 36 · 55 · 100). Tail options include straight (N), bent (W), and N5/N8 configurations. See the Model Variants table above.

Are custom pin counts or tail configurations available?

Yes. Custom contact counts, tail orientations, and mounting configurations can be accommodated. Contact our engineering team with your requirements.

What standards apply to this connector series?

HJ30J Series is designed to meet GJB 101A-97 (Electrical Connector General Specification) and GJB 1217A-2009 (Test Methods). Environmental testing per MIL-STD-202 and GJB 360B.

8. Design Resources

ResourceFormatAccess
Product DatasheetPDFHK-HJ30J.pdf
Interface Control DocumentOn RequestContact Engineering
3D Model (STEP/IGES)On RequestContact Engineering
Test Report SummaryPDFContact Sales
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