M50-3551742 Harwin Connector (Other) In Stock
Harwin M50-3551742 is a 1.27 mm pitch dual-row male board connector with tin-plated brass contacts and 42-position configuration. Features nickel barrier for improved contact durability and reliable board-to-board interconnection. Available from stock with worldwide shipping.
- Manufacturer
- Harwin
- Package
- Other
- Pin Count
- 34
- Lifecycle
- ACTIVE
- Datasheet
- M50-3551742 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
- 42-position dual-row male board connector at 1.27 mm (0.050") pitch for high-density PCB interconnection
- Brass contacts with tin (Sn) plating over nickel (Ni) barrier for excellent corrosion resistance and durability
- RoHS-compliant construction suitable for industrial, medical, and defense board-to-board applications
Applications
The Harwin M50-3551742 is suited for compact board-to-board and wire-to-board interconnect applications in industrial automation, robotics, and embedded computing systems. Its 1.27 mm pitch and dual-row layout make it ideal for space-constrained PCB designs that require 42 signal or power connections. The tin-over-nickel contact finish ensures reliable performance in environments subject to vibration and temperature cycling.
Specifications
| Pbfree Code | Yes |
| YTEOL | 9.15 |
| Body Breadth | 0.263inch |
| Body Depth | 0.325inch |
| Body Length | 1.42inch |
| Connector Type | BOARD CONNECTOR |
| Contact Finish Mating | NOT APPLICABLE |
| Contact Finish Termination | Tin (Sn) - with Nickel (Ni) barrier |
| Contact Gender | MALE |
| Contact Material | BRASS |
| Contact Pattern | RECTANGULAR |
| Contact Resistance | 20mΩ |
| Contact Style | SQ PIN-SKT |
| Dielectric Withstanding Voltage | 1400VAC V |
| Filter Feature | NO |
| Insulation Resistance | 500000000Ω |
| Insulator Material | GLASS FILLED LIQUID CRYSTAL POLYMER |
| JESD-609 Code | e3 |
| Mating Contact Pitch | 0.05inch |
| Mating Contact Row Spacing | 0.05inch |
| Mixed Contacts | NO |
| Mounting Option 1 | LATCH & EJECT |
| Mounting Option 2 | LOCKING |
| Mounting Style | STRAIGHT |
| Mounting Type | BOARD |
| Number Of Connectors | ONE |
| Number Of PCB Rows | 2 |
| Number of Rows Loaded | 2 |
| PCB Contact Pattern | RECTANGULAR |
| PCB Contact Row Spacing | 1.27mm |
| Polarization Key | POLARIZED HOUSING |
| Rated Current (Signal) | 1.75A |
| Reference Standard | UL |
| Terminal Length | 0.107inch |
| Terminal Pitch | 1.27mm |
| Termination Type | SOLDER |
| Total Number of Contacts | 34 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8536.69.40.40 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What pitch and position count does the Harwin M50-3551742 connector offer?
The Harwin M50-3551742 is a dual-row male board connector with 1.27 mm (0.050") pitch and 42 positions total, making it suitable for high-density PCB interconnection in compact embedded systems where space is at a premium.
Which industrial or embedded applications are best served by the M50-3551742 connector?
This connector is well-suited for robotics controllers, industrial automation modules, and embedded computing boards requiring reliable 42-pin board-to-board connections at 1.27 mm pitch. Its tin-over-nickel contact finish handles up to hundreds of mating cycles in vibration-prone environments.
Is the Harwin M50-3551742 RoHS compliant and what contact material does it use?
Yes, the M50-3551742 is RoHS compliant with a lead-free tin (Sn) contact finish over a nickel (Ni) barrier on brass contacts. This combination provides low contact resistance, corrosion protection, and a minimum of 200 mating cycles in standard operating conditions.
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About Harwin
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