51090-0400
2.00mm Pitch Mi II System Wire-to-Board Crimp Housing, Single Row, 4 Circuits, Natural
Part Aliases: Molex 0510900400
The 51090-0400, a high-quality 4-contact pin and socket housing designed for reliable signal connections in electronic circuitry. Crafted with durable polyester housing material, this Mi II connector boasts exceptional performance in a natural color finish. With a narrow 2mm pitch, it offers precise connectivity in tight spaces. Operating seamlessly in temperatures ranging from -40 to 105°C, it is suitable for a wide range of applications. This RoHS-compliant connector is a dependable choice for your wire-to-board connection needs.
| Product Category: | |
| Manufacturer: | Molex |
| Manufacturer Part Number: | Molex 51090-0400 |
| Color: | Natural |
| Series: | 51090 - Mi II |
| Connector Type: | Mi II |
| Gender: | Receptacle |
| Housing Material: | Polyester |
| Number of Contacts: | 4 |
| Number of Rows: | 1 |
| Pitch: | 2 mm |
| Material: | Polyester |
| Operating Temperature Range: | -40 - 105 °C |
| Circuit Application: | Signal |
| Connector System: | Wire to Board |
| Glow Wire Capable: | No |
| Stackable: | No |
| Material Flammability Standard: | 94V-0 |
| Part Aliases: | 0510900400 |
| SKU: | MOL51090-0400 |
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 |
| 10/15/2021 | 510489 - Change Supplier. resin manufacture had claimed Force Majeure to molex at the end of May. no guarantee of recovery time frames from their shanghai plant but their Nansha plant can support the same grade of material in order to support continually molex decided to accept the vendors proposal current material source: Shanghai China New Material Source: Nansha China | Download |
| 09/15/2016 | 500666 - Change to Product. This letter is to inform you that changes are being made to the part(s) identified in this Notice. The change will affect the fit, form, function or the appearance of the parts. | Download |