The Molex KK 254 series connector is a highly reliable and versatile electrical connector widely used in various industries. With its compact design and robust construction, this connector offers excellent performance and durability.
This connector features a pitch of 2.54mm (0.1 inches), allowing for easy integration into PCBs (Printed Circuit Boards) and other electronic devices. It supports multiple contact configurations, ranging from single-row to dual-row options, providing flexibility for different application needs.
| Circuits (maximum) | 18 |
| Flammability | 94V-0 |
| Glow-Wire Capable | No |
| Net Weight | 1.764/g |
| Packaging Type | Bag |
| Pitch - Mating Interface | 2.54mm |
| Stackable | No |
| Color - Resin | Natural (White) |
| Gender | Receptacle |
| Material - Resin | Nylon |
| Number of Rows | 1 |
| Panel Mount | No |
| Pitch - Termination Interface | 2.54mm |
| Temperature Range - Operating | See Product Specification |
| Category | Connector Housings |
| Series | 7880 |
| Application | Signal, Wire-to-Board |
| Product Name | KK 254 |
| Description | KK 254 Crimp Housing, High Pressure, 18 Circuits, Natural |
| Product Family | KK Interconnect Systems |
| Description | PART NUMBER |
| KK 254 Single Row Vertical Headers | 4030 |
| KK 254 Vertical Breakaway Headers with Friction Lock | 42375 |
| KK 254 Right-Angle Breakaway Headers | 42376 |
| KK 254 Right-Angle Surface Mount Compatible Breakaway Headers | 42377 |
| KK 254 Vertical Single Row Solid Headers | 6373 |
| KK 254 Vertical Single Row Headers | 6410 |
| 7880-NA PART NO. | 7880-NB PART NO. | 7880-NC PART NO. |
| 10-01-2029 | 10-11-2053 | 10-11-2024 |
| 10-01-2039 | 10-11-2063 | 10-11-2034 |
| 10-01-2049 | 10-11-2073 | 10-11-2044 |
| 10-01-2059 | 10-11-2083 | 10-11-2054 |
| 10-01-2069 | 10-11-2093 | 10-11-2064 |
| 10-01-2079 | 10-11-2103 | 10-11-2074 |
| 10-01-2089 | 10-11-2113 | 10-11-2084 |
| 10-01-2099 | 10-11-2123 | 10-11-2094 |
| 10-01-2109 | 10-11-2133 | 10-11-2104 |
| 10-01-2119 | 10-11-2143 | 10-11-2114 |
| 10-01-2129 | 10-11-2153 | 10-11-2124 |
| 10-01-2139 | 10-11-2163 | 10-11-2134 |
| 10-01-2149 | 10-11-2173 | 10-11-2144 |
| 10-01-2159 | 10-11-2183 | 10-11-2154 |
| 10-01-2169 | 10-11-2164 | |
| 10-01-2179 | 10-11-2174 | |
| 10-01-2189 | 10-11-2184 | |
| 7880-2A | ||
| 7880-3A |
Notes: A stands for None, B stands for std. ramp option, C stands for polarizing ramp option.
A type: both end in the same direction

B type: Both end in the opposite direction

C type: Connector 2 split into two connectors

D type: wire end tinned

E type: wire end open

F type: connector add any fitting connectors

Send us your sample or drawing/schematic for quote price→ Feedback with quotation(1~3 days) → Confirm quotation → Arrange sample you for approval→ [Make mold if needed (7 days) →Mold test] → Making samples(1~3 days)→Samples test(Approval) →place order for Mass production(2~3 weeks)→Quality checking→Packing →Delivery →After Service →Repeat Order.