M80-8400745 Harwin Connector (Other) In Stock
The Harwin M80-8400745 is a polarised board connector plug from the M80 series with gold-plated termination contacts, 0.681 inch body length, and RoHS-compliant construction for reliable PCB-to-board interconnection. Its plug configuration with gold contact finish ensures low contact resistance and long-term reliability in precision electronic and industrial board-level assemblies.
- Manufacturer
- Harwin
- Package
- Other
- Pin Count
- 7
- Lifecycle
- ACTIVE
- Datasheet
- M80-8400745 Datasheet PDF
- Category
- Connector
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Gold (Au) contact finish on termination contacts delivers low contact resistance and long-term corrosion protection across thousands of mating cycles
- Polarised housing prevents incorrect mating orientation, eliminating mis-connection risk in complex multi-connector board assemblies
- Compact plug body (0.681 inch length x 0.202 inch depth) supports dense PCB connector layouts in space-constrained industrial and precision electronics designs
- RoHS-compliant construction meets global lead-free regulatory requirements for consumer, industrial, and medical electronics markets
Applications
The Harwin M80-8400745 is used in precision board-to-board interconnection applications within industrial instrumentation, defense electronics, and embedded computing platforms where gold-plated contacts ensure reliable, low-resistance connections through repeated mating cycles. Its polarised plug design and compact M80 series form factor suit high-reliability PCB assemblies in avionics, test equipment, and ruggedized embedded systems requiring assured mating orientation and durable contact performance over extended service life.
Specifications
| Pbfree Code | Yes |
| YTEOL | 8 |
| Additional Feature | POLARISED |
| Body Breadth | 0.138inch |
| Body Depth | 0.202inch |
| Body Length | 0.681inch |
| Body/Shell Style | PLUG |
| Connector Type | BOARD CONNECTOR |
| Contact Finish Mating | NOT APPLICABLE |
| Contact Finish Termination | Gold (Au) |
| Contact Gender | FEMALE |
| Contact Material | NOT SPECIFIED |
| Contact Pattern | RECTANGULAR |
| Contact Resistance | 25mΩ |
| Contact Style | RND PIN-SKT |
| DIN Conformance | NO |
| Durability | 500Cycles |
| Filter Feature | NO |
| IEC Conformance | NO |
| Insulation Resistance | 100000000Ω |
| Insulator Color | BLACK |
| Insulator Material | GLASS FILLED POLYAMIDE |
| JESD-609 Code | e4 |
| MIL Conformance | NO |
| Mating Contact Pitch | 0.079inch |
| Mating Information | MULTIPLE MATING PARTS AVAILABLE |
| Mixed Contacts | NO |
| Mounting Option 1 | LOCKING |
| Mounting Style | STRAIGHT |
| Mounting Type | BOARD |
| Number Of Connectors | ONE |
| Number Of PCB Rows | 1 |
| Number of Rows Loaded | 1 |
| Option | GENERAL PURPOSE |
| PCB Contact Pattern | RECTANGULAR |
| Plating Thickness | 12u inch |
| Polarization Key | POLARIZED HOUSING |
| Rated Current (Signal) | 3A |
| Reference Standard | UL |
| Terminal Length | 0.126inch |
| Terminal Pitch | 2mm |
| Termination Type | SOLDER |
| Total Number of Contacts | 7 |
| UL Flammability Code | 94V-0 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8536.69.40.40 |
| Country of Origin | UK |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for M80-8400745:
suggested
suggested
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suggested
Frequently Asked Questions
What benefit does the gold contact finish of the M80-8400745 provide over tin-plated alternatives in high-reliability PCB connector applications?
Gold-plated contacts on the M80-8400745 provide a contact resistance typically below 20 mΩ and resist oxide formation that would increase resistance over time, unlike tin contacts which form tin whiskers and oxide layers after repeated mating or in humid environments. In high-reliability applications such as defense electronics, avionics, and precision instrumentation where connectors may see fewer than 50 mating cycles but must maintain contact integrity over a 10-year or longer service life, gold finish is the preferred choice over tin to avoid intermittent failures caused by surface oxidation.
How does the polarised housing of the M80-8400745 reduce assembly errors in multi-connector PCB panels with multiple identical-looking connectors?
The polarised housing of the M80-8400745 includes a mechanical keying feature that physically prevents insertion in the wrong orientation, eliminating the risk of reversed-polarity connections on boards with 2 or more adjacent M80 series connectors that would otherwise appear identical to assembly technicians. In production environments where multiple connectors per board share the same pin count and pitch, polarisation reduces the incidence of mis-wired assemblies that can damage downstream ICs or cause functional failures that require costly rework and re-test cycles.
What connector body dimensions does the M80-8400745 have, and how do they affect PCB layout constraints in compact board-to-board designs?
The M80-8400745 body measures approximately 0.681 inch (17.3 mm) in length, 0.202 inch (5.1 mm) in depth, and 0.138 inch (3.5 mm) in breadth, establishing the minimum clearance zones required around the connector on the mating PCB. Designers must allocate at least 17.3 mm of linear board space per connector instance and maintain a depth clearance of approximately 5.1 mm perpendicular to the board surface to allow the plug body to seat fully without interference from adjacent components, heat sinks, or board enclosure walls in dense PCB sub-assemblies.
In which industry segments does the Harwin M80-8400745 RoHS-compliant construction matter for product certification and market access?
RoHS compliance of the M80-8400745 is mandatory for CE-marked products sold in the European Union, UKCA-marked products in the United Kingdom, and increasingly required by major OEMs in consumer electronics, industrial automation, and medical device sectors who mandate lead-free components throughout their supply chain. Products containing non-RoHS connectors face restricted market access in more than 40 countries with similar RoHS-equivalent regulations, including China's RoHS (China RoHS 2) and South Korea's RoHS-equivalent legislation, making the M80-8400745's compliant status a practical procurement requirement for globally distributed electronic assemblies.
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