Essential details
MOQ:100
Shipping:Express delivery
Specification Number:J30J
Product Introduction
# J30J Series Subminiature Rectangular Electrical Connectors
## I. Standard Model Naming Rules (Spec Document Format)
Full model segmentation definition
Format: J30J - Contact Count - TJ/ZK - Rear End Structure (N/W/S/A) - Locking Mark L
1. J30J: Product series code, metal shielded shell subminiature rectangular twisted pin connector
2. Contact Count
Standard core configurations (10 types only): 9/15/21/25/31/37/51/66/74/100;
144-core is custom extended version, not standard catalog model.
3. Contact Type
- TJ: Plug (Male, twisted pins)
- ZK: Receptacle (Female, sockets)
4. Rear Termination Structure (No letter = Standard Crimp Exit)
| Suffix | Official Definition | Application Scenario |
|--------|---------------------|----------------------|
| Blank | Crimp type (Standard) | Wire harness crimp for 0.07~0.15mm² conductors |
| S | Short solder cup type | Manual soldering for short wires |
| N | Vertical PCB through-hole (Vertical board mount) | Internal inter-board soldering inside equipment |
| W | 90° horizontal right-angle PCB (Side board mount) | Horizontal panel mounting inside chassis |
| A | Extended shell + shielding cable clamp | Complete machine shielded wire harness dedicated |
5. Locking Mark L
- L: Equipped with standard M2 screw locking assembly (pre-installed at factory, standard for vibration-prone environments)
- No L: Without locking screws, free plug/unplug, only for static indoor equipment
### Example: J30J-15TJL Breakdown
J30J (Series) -15 (15 contacts) -TJ (Male plug pins) - No suffix (Crimp wire exit) -L (With locking screws)
## II. Full Standard Model List
### 1. Crimp Exit with Lock (No N/W/S/A suffix, Most Popular)
Male Plugs (TJ, TJL suffix):
J30J-9TJL, J30J-15TJL, J30J-21TJL, J30J-25TJL, J30J-31TJL,
J30J-37TJL, J30J-51TJL, J30J-66TJL, J30J-74TJL, J30J-100TJL
Mating Female Receptacles (ZK, ZKL suffix):
J30J-9ZKL, J30J-15ZKL, J30J-21ZKL, J30J-25ZKL, J30J-31ZKL,
J30J-37ZKL, J30J-51ZKL, J30J-66ZKL, J30J-74ZKL, J30J-100ZKL
### 2. Vertical PCB Mount with Lock (Suffix N, TJNL/ZKNL)
Plugs: J30J-9TJNL, J30J-15TJNL, J30J-21TJNL, J30J-25TJNL, J30J-31TJNL, J30J-37TJNL, J30J-51TJNL, J30J-66TJNL, J30J-74TJNL, J30J-100TJNL
Receptacles: J30J-9ZKNL, J30J-15ZKNL, J30J-21ZKNL, J30J-25ZKNL, J30J-31ZKNL, J30J-37ZKNL, J30J-51ZKNL, J30J-66ZKNL, J30J-74ZKNL, J30J-100ZKNL
### 3. Right-Angle PCB Mount with Lock (Suffix W, TJWL/ZKWL)
Plugs: J30J-9TJWL, J30J-15TJWL, J30J-21TJWL, J30J-25TJWL, J30J-31TJWL, J30J-37TJWL, J30J-51TJWL, J30J-66TJWL, J30J-74TJWL, J30J-100TJWL
Receptacles: J30J-9ZKWL, J30J-15ZKWL, J30J-21ZKWL, J30J-25ZKWL, J30J-31ZKWL, J30J-37ZKWL, J30J-51ZKWL, J30J-66ZKWL, J30J-74ZKWL, J30J-100ZKWL
### 4. Extended Shield Shell with Lock (Suffix A, TJAL/ZKAL)
Plugs: J30J-9TJAL, J30J-15TJAL, J30J-21TJAL, J30J-25TJAL, J30J-31TJAL, J30J-37TJAL, J30J-51TJAL, J30J-66TJAL, J30J-74TJAL, J30J-100TJAL
Receptacles: J30J-9ZKAL, J30J-15ZKAL, J30J-21ZKAL, J30J-25ZKAL, J30J-31ZKAL, J30J-37ZKAL, J30J-51ZKAL, J30J-66ZKAL, J30J-74ZKAL, J30J-100ZKAL
### 5. Short Solder Cup with Lock (Suffix S, TJSL/ZKSL)
Plugs: J30J-9TJSL, J30J-15TJSL, J30J-21TJSL, J30J-25TJSL, J30J-31TJSL, J30J-37TJSL, J30J-51TJSL, J30J-66TJSL, J30J-74TJSL, J30J-100TJSL
Receptacles: J30J-9ZKSL, J30J-15ZKSL, J30J-21ZKSL, J30J-25ZKSL, J30J-31ZKSL, J30J-37ZKSL, J30J-51ZKSL, J30J-66ZKSL, J30J-74ZKSL, J30J-100ZKSL
### Supplementary Notes
1. 144-core models are custom-only without standard stock, excluded from regular procurement list.
2. Models without suffix L (e.g. J30J-15TJ) are lock-free free-mating versions, one-to-one correspondence with same contact count & rear suffix.
3. Extended locking screws (P0/P1/P5/P10) are not part of model suffixes; only marked in order remarks instead of main model code.
## III. Standard Product Features (Spec Sheet)
1. Male contacts adopt 7-strand twisted wire pins with multi-point elastic contact, stable conductivity and superior vibration & shock resistance.
2. Contact grid pitch: 1.27mm, double-row high-density layout; nickel-plated aluminum alloy full metal shielding shell.
3. Applicable conductors: Standard 0.1~0.15mm²; ultra-fine wire 0.07mm² available on custom request.
4. Locking structure: L-type equipped with dual-end M2 locking screws, flange panel feed-through mounting for anti-loosening performance.
5. Full metal shielding realizes complete EMC shielding, suitable for airborne, radar and high electromagnetic interference environments.
6. Mechanical mating life ≥ 500 cycles, meeting high-reliability military long-term operation requirements.
## IV. Unified Electrical & Environmental Technical Specifications
| Category | Item | Standard Index |
|----------|------|----------------|
| Electrical Performance | Rated current per signal contact | 3A; Mixed high-current contact: 20A |
| | Normal contact resistance | ≤10mΩ |
| | Insulation resistance (Ambient) | ≥5000MΩ @ 500VDC; ≥100MΩ under damp heat |
| | Dielectric withstand voltage | 800V AC (normal); 150V under low air pressure (4.4kPa) |
| Environmental Performance | Operating temperature | -55℃ ~ +125℃ |
| | Damp heat condition | 40℃, RH 90%~98% (Non-condensing) |
| | Vibration resistance | 10~2000Hz, acceleration 196m/s² |
| | Shock resistance | 735m/s², pulse duration 11ms |
| | Low air pressure | 4.4kPa, compliant for high-altitude equipment |
| Mechanical Performance | Mating life | ≥500 cycles |
| | Locking screw thread spec | M2 standard thread |
## V. Application Scope
Airborne avionics, radar navigation modules, aerospace electronic cabinets, military measurement & control instruments, servo controllers, portable military terminals, industrial precision inspection equipment, high-density PCB interconnection systems.
# Professional Terminology Glossary (Industry Standard)
1. 微矩形电连接器: Subminiature Rectangular Electrical Connector
2. 麻花插针: Twisted Pin / Multi-strand Twisted Contact
3. 压接出线: Crimp Termination
4. 焊杯: Solder Cup
5. 垂直PCB直插: Vertical Through-hole PCB Mount
6. 90°弯插: Right-angle PCB Mount
7. 屏蔽外壳: Shielded Shell
8. 锁紧螺钉: Locking Screw
9. 接触电阻: Contact Resistance
10. 介质耐压: Dielectric Withstand Voltage
11. 电磁屏蔽 EMC: Electromagnetic Compatibility Shielding
12. 插拔寿命: Mating Cycle Life
Product details