Key Features & Benefits
- Optimized for automotive environments (-40℃ to 105℃ operating range)
- Multiple configurations available (5PIN, 10PIN, 18PIN)
- High-density wiring solutions for space-constrained applications
- Compliant with USCAR-2, LV214 standards for assured quality
- PBT housings with tin-plated copper alloy terminals for durability
Product Overview
MEC Connector Series
| Model | Part Number | Pin Count | Finish/Material | Mounting Type | Number of Rows | Size A (mm) | Size B (mm) | Size C (mm) | Pitch (mm) | Row Spacing (mm) |  |
| MEC Connector | BMB12184-B21-TY | 18 | Housing: Blue PBT | DIP | 2 | 19.0 | 34.8 | 10.5 | 2.0 | 2.5 | |
| Pins: Tin-plated copper alloy (reflow treated) | |||||||||||
| MEC Connector | BMB12104-B21-TY | 10 | Housing: Blue PBT | DIP | 2 | 19.0 | 24.8 | 10.5 | 2.0. | 2.5 | |
| Pins: Tin-plated copper alloy (reflow treated) | |||||||||||
| MEC Connector | BMB12054-B11-TY | 5 | Housing: Blue PBT | DIP | 1 | 19.0 | 23.4 | 8.0 | 2.0 | / | |
| Pins: Tin-plated copper alloy (reflow treated) |
MEC Housing Series
| Model | Part Number | Positions Count | Compatible Wire | Finish/Material | Number of Rows | Size D (mm) | Size E (mm) | Size F (mm) | Pitch (mm) | Row Spacing (mm) |
|
| MEC Housing | BMP218-B21-PB | 18 | AESSX 0.3mm², UL3265 0.3mm² | Housing: Blue PBT | 2 | 14.0 | 23.3 | 10.2 | 2.0 | 2.5 | |
| TPA: Black PBT | |||||||||||
| MEC Housing | BMP210-B21-PB | 10 | AESSX 0.3mm², UL3265 0.3mm² | Housing: Blue PBT | 2 | 14.0 | 13.3 | 10.2 | 2.0 | 2.5 | |
| TPA: Black PBT | |||||||||||
| MEC Housing | BMP205-B11-PB | 5 | AESSX 0.3mm², UL3265 0.3mm² | Housing: Blue PBT | 1 | 14.0 | 12.3 | 7.7 | 2.0 | / | |
| TPA: Black PBT |
MEC Female Terminal
| Model | Part Number | Insulation Diameter | Finish/Material |
| MEC Female Terminal | C058-000S-0273 | 1.5mm max. | Tin-plated copper alloy |
Performance Advantages
1. Above average electrical efficiency
Current Rating: 3A AC/DC (0.3mm² wire)
Voltage Rating: 50V AC/DC
Contact Resistance: ≤15mΩ (initial/after testing/environmental testing)
2. Harsh Environment Durability
Insulation Resistance: ≥100MΩ
Dielectric Strength: 1000V AC/min
Vibration Resistance: USCAR-2 V2
3. Designing Terminals for High Reliability
Low resistance, durable tin plated copper alloy
Board-side pins are reflow-treated, improving solder reliability
4. Space-Saving Miniaturization
High-density layout saves space for valuable installation
This only works with AWG#22 wire (insulation OD ≤1.5mm)
Technical Specifications
| Parameter | Value |
| Current Rating | 3A AC/DC |
| Voltage Rating | 50V AC/DC |
| Contact Resistance | ≤15mΩ |
| Dielectric Strength | 1000V AC/minute |
| Insulation Resistance | ≥100MΩ |
| Compatible Wire | AESSX 0.3mm², UL3265 0.3mm² (equivalent to AWG#22, insulation OD ≤1.5mm) |
| Temperature Range | -40℃ to 105℃ (including current load temperature rise) |
| Compliance | RoHS, REACH, IMDS |
| Applicable Standards | USCAR-2, LV214, IATF 16949 |
Why Choose Cocentra MEC Connectors?
1. Precision Manufacturing
The overall plastic casing of the 0.01mm mold precision ensures consistent terminal insertion/extraction force.
Zero-defect delivery ensured through 100% online inspection
2. Rapid Response Service
3D models (STEP/IGES formats) delivery within 72 hours
VMI inventory options with 15-day standard lead time
3. Global Compliance Assurance
Manufacturing with IATF 16949 Certification
Meets automotive electrical standards of USCAR-2, LV214
FAQ
Q: There are many other AC connectors that are suitable for electric vehicles.
A: Absolutely. Our MEC series includes PBT housings and tin plated copper alloy terminals suitable for high temperature and corrosion resistance, ideal for high performance EV applications such as BMS and OBC.
Q: What are benefits of reflow treatment on MEC connector pins?
A:The reflow treatment greatly increases solder joint reliability and reduces cold solder and poor connectivity problems. This is especially useful for soldering processes in automated production lines.
Q: Do you have a custom MEC connector solution?
A: Yes, we do full customization including pin count, special material selection (high-temperature PPS, for example) and color. This is our 72hrs rapid prototyping service to speed up your time to market.
Typical Applications
1. Wiring harnesses for the body control module (BCM)
2. Communication from various vehicle sensor signals
3. LED lighting control units
4. Low voltage signal connections in electric vehicle
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