51103-0400
2.50mm Pitch Wire-to-Wire and Wire-to-Board Housing, Positive Lock, 4 Circuits, Natural
Part Aliases: Molex 0511030400
The 51103-0400, a Mini-Lock connector designed for reliable signal applications. With 4 contacts arranged in a single row and a compact 2.5mm pitch, this connector is perfect for space-constrained setups. Constructed with durable polyester housing material and rated for operating temperatures between -40 and 105 °C, it ensures dependable performance in harsh environments. Featuring a receptacle gender and wire-to-wire/wire-to-board connectivity, it offers versatility in design. Fully RoHS compliant, this connector guarantees environmental responsibility. Whether for industrial machinery or consumer electronics, the 51103-0400 is the ideal choice for secure and efficient signal transmission.
| Product Category: | |
| Manufacturer: | Molex |
| Manufacturer Part Number: | Molex 51103-0400 |
| Color: | Natural |
| Series: | 51103 - Mini-Lock |
| Connector Type: | Mini-Lock |
| Gender: | Receptacle |
| Housing Material: | Polyester |
| Number of Contacts: | 4 |
| Number of Rows: | 1 |
| Pitch: | 2.5 mm |
| Material: | Polyester |
| Keying: | No |
| Operating Temperature Range: | -40 - 105 °C |
| Circuit Application: | Signal |
| Connector System: | Wire to Board, Wire to Wire |
| Glow Wire Capable: | No |
| Stackable: | No |
| Material Flammability Standard: | 94V-0 |
| Part Aliases: | 0511030400 |
| SKU: | MOL51103-0400 |
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 |