| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | Molex |
| Manufacturer Part Number: | Molex 171856-4003 |
| Color: | Black |
| Series: | 171856 - KK 254 |
| Amperage: | 4 A |
| Connector Type: | KK 254 |
| Number of Contacts: | 3 |
| Number of Rows: | 1 |
| Termination Method: | Through Hole |
| Contact Material: | Brass |
| Body Orientation: | Straight |
| Pitch: | 2.54 mm |
| Voltage: | 500 V |
| Material: | High Temperature Thermoplastic |
| Orientation: | Vertical |
| Keying: | No |
| Packaging: | Embossed Tape on Reel |
| Pick and Place: | With Pick and Place Cap |
| Operating Temperature Range: | -40 - 105 °C, -40 - 80 °C |
| Circuit Application: | Signal |
| Contact Mating Area Plating: | Gold |
| Contact Mating Area Plating Thickness: | .381 µm |
| Number of Contacts Loaded: | 3 |
| Mating Cycles: | 25 |
| PCB Locator: | No |
| PCB Retention: | Without |
| Contact Termination Plating Thickness: | 2.540 µm |
| Polarized to Mate: | Yes |
| PCB Thickness (Recommended): | 1.6 mm |
| Connector System: | Board to Board, Wire to Board |
| UL Agency Certification: | E29179 |
| Contact Termination Plating: | Matte Tin |
| Maximum Solder Process Temperature: | 260 °C |
| Lead Free Process Capability: | SMC and Wave |
| Duration at Max. Process Temperature (seconds): | 030 |
| Max. Cycles at Max. Process Temperature: | 003 |
| Glow Wire Capable: | No |
| Guide to Mating Part: | No |
| Lock to Mating Part: | Yes |
| Stackable: | No |
| Surface Mount Compatible: | Yes |
| Breakaway: | No |
| Make First / Break Last: | No |
| Shroud Type: | Partial |
| Material Flammability Standard: | 94V-1 |
| Part Aliases: | 1718564003 |
| SKU: | MOL171856-4003 |
171856-4003
Specifications
Detailed Description
Enhance your PCB assembly with our high-quality KK 254 Series Straight Pin Header. Designed for optimal performance, this black connector features a 2.54mm pitch and through-hole termination method, ensuring secure and reliable connections. With a 4A amperage rating and 500V voltage capacity, it is perfect for signal circuit applications. The brass contact material with gold plating guarantees excellent conductivity, while the high-temperature thermoplastic body offers durability in harsh environments. RoHS compliant and UL certified, this connector meets stringent quality standards. Packaged in embossed tape for easy handling and with pick-and-place capability, it streamlines the assembly process. Whether used in board-to-board or wire-to-board setups, its vertical orientation and polarized mating ensure proper alignment. Trust in the KK 254 Series for dependable and efficient connectivity solutions.
Product Change Notice
| Effective Date | Description of Change | Download | |||
|---|---|---|---|---|---|
| 12/31/2022 | 512847 - Change Supplier. This notification is to inform you about addition of new Supplier or Sub Supplier impacting the part(s) as per attached list. No changes will be made to product as part of this change | Download | |||
| 09/30/2016 | 500745 - 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 | |||

