51103-1200
2.50mm Pitch Wire-to-Wire and Wire-to-Board Housing, Positive Lock, 12 Circuits, Natural
Part Aliases: Molex 0511031200
Enhance your connectivity with our Mini-Lock connector, featuring a natural color and 12 contacts for seamless signal transmission. Crafted with durable polyester housing, this receptacle ensures reliable performance in various applications. With a 2.5mm pitch and operating temperature range of -40 to 105°C, it guarantees versatility and stability. Certified for both CSA and UL standards, this connector offers peace of mind in terms of quality and safety. Whether for wire-to-wire or wire-to-board connections, its compact design and RoHS compliance make it a practical choice for your electronic projects. Upgrade your setup with this essential component for efficient and secure data transfer.
| Product Category: | |
| Manufacturer: | Molex |
| Manufacturer Part Number: | Molex 51103-1200 |
| Color: | Natural |
| Series: | 51103 - Mini-Lock |
| Connector Type: | Mini-Lock |
| Gender: | Receptacle |
| Housing Material: | Polyester |
| Number of Contacts: | 12 |
| Number of Rows: | 1 |
| Pitch: | 2.5 mm |
| Material: | Polyester |
| Keying: | No |
| Packaging: | Bag |
| Operating Temperature Range: | -40 - 105 °C |
| Circuit Application: | Signal |
| Connector System: | Wire to Board, Wire to Wire |
| CSA Agency Certification: | LR19980 |
| UL Agency Certification: | E29179 |
| Glow Wire Capable: | No |
| Stackable: | No |
| Material Flammability Standard: | 94V-0 |
| Part Aliases: | 0511031200 |
| SKU: | MOL51103-1200 |
Environmental Initiative Details
| Environmental Initiative: | RoHS |
|---|---|
| Compliant: | Unknown |
| Date of this Information: | Unknown |
| Notes: |
Product Change Notice
| Effective Date | Description of Change | Download |
|---|---|---|
| 10/31/2025 | 515981 - Obsolete no replacement. LTB 6/25/25 LTS 9/25/25 | Download |
| 10/30/2025 | 515990 - Obsolete some with direct replacement & some with differences. LTB 6/25/25 LTS 9/25/25 | Download |
| 08/31/2021 | 510250 - Equipment Transfer, Production Transfer or Rearrangement. transfer from Molex Gwangju plate in Korea to Ansan plant in Korea due to Gwangju plant closure . molex has decided to consolidate its Ansan and Gwangju plants into a single integrated site in Ansan Plant. | Download |
| 10/15/2019 | 507130 - Equipment Transfer, Production Transfer or Rearrangement. This letter is to inform you that production of the part(s) identified in this notice is being moved to a different production location. No changes will be made to the product as a result of this move. | Download |
| 02/01/2016 | GCM 10728471 - Tooling / Equipment Transfer. The purpose of this letter is to inform you that 511030600, 511030800, 511030900, 511031000, 511031200, 50375023, 351550300 and 355070400 will be transferred from Molex Korea Ansan plant to Molex Korea Gwangju plant to build a more efficient production and solve capability flexibility of Ansan plant. These products are not affected by transferring of manufacturing site due to no risk as the same tool and material spec. will be used in Gwangju plant. The mass production start date at Gwangju plant is scheduled on February 1 of 2016. Implementation Date may be changed due to customer demand and production situation. | Download |
| 04/12/2015 | GCM 10680930 - Tooling / Equipment Transfer. | Download |