| Attribute | Value |
|---|---|
| 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 |
51103-0400
| Heilind Number: | MOL51103-0400 |
| Manufacturer: | Molex |
| Manufacturer Number: | 51103-0400 |
| Datasheet: | Product Specification |
| ECAD Model: | |
Description:
2.50mm Pitch Wire-to-Wire and Wire-to-Board Housing, Positive Lock, 4 Circuits, Natural
More >>Specifications
Detailed Description
Introducing 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.
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 | Molex 39-01-2020 | Mini-Fit Jr. Receptacle Housing, Dual Row, 2 Circuits, UL 94V-2, Natural | |
 | Molex 39-01-2040 | Mini-Fit Jr. Receptacle Housing, Dual Row, 4 Circuits, UL 94V-2, Natural | |
 | Molex 39-01-2060 | Mini-Fit Jr. Receptacle Housing, Dual Row, 6 Circuits, UL 94V-2, Natural | |
 | Molex 43025-0800 | Micro-Fit 3.0 Receptacle Housing, Dual Row, 8 Circuits, UL 94V-0, Low-Halogen, Black | |
 | Molex 43025-1000 | Micro-Fit 3.0 Receptacle Housing, Dual Row, 10 Circuits, UL 94V-0, Low-Halogen, Black | |
 | Molex 50-57-9404 | SL Crimp Housing, Single Row, Version G, Positive Latch, 4 Circuits, Black | |
 | Molex 50351-8000 | 2.50mm Pitch Mini-Lock Wire-to-Board and Wire-to-Wire Crimp Terminal, Phosphor Bronze, Reel, for 51102, 51103 and 51163 Housings | |
 | Molex 51021-0600 | 1.25mm Pitch PicoBlade Wire-to-Wire and Wire-to-Board Housing, Female, 6 Circuits, Natural | |
 | Molex 51103-0500 | 2.50mm Pitch Wire-to-Wire and Wire-to-Board Housing, Positive Lock, 5 Circuits, Natural | |
 | Molex 51146-0200 | 1.25mm Pitch PanelMate Wire-to-Board Receptacle Housing, Ultra Low Profile, 2 Circuits, Natural | |
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 | |||
Availability
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Unit Of Measure:
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Minimum/Multiple:
1/1
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Documents & Media
Environmental & Export Classifications
| Attribute | Value |
|---|---|
| RoHS Compliant: | Unkown |
Additional Resources
| Attribute | Value |
|---|---|
| Molex: | 51103-0400 |
| Other Names: | 0511030400 |