M20-9981746 Harwin Connector (Other) In Stock
The Harwin M20-9981746 is a 34-position (17+17) dual-in-line through-hole plug connector with a 2.54 mm pitch and 6.1 mm pin length. It features brass contacts with tin-over-nickel termination finish, offering reliable PCB-to-PCB or PCB-to-cable signal connections in standard 0.1-inch grid layouts.
- Manufacturer
- Harwin
- Package
- Other
- Pin Count
- 34
- Lifecycle
- ACTIVE
- Datasheet
- M20-9981746 Datasheet PDF
- Category
- Connector
- Price
- From $0.5040(MOQ 1000)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of M20-9981746?
- 34-position (17+17) dual-in-line layout on 2.54 mm pitch for high-density through-hole PCB interconnects
- 6.1 mm straight pin length accommodates standard PCB thickness and enables robust wave-soldering or hand-soldering assembly
- Brass contacts with tin (Sn) over nickel (Ni) barrier termination provide corrosion resistance and reliable solder joint formation
- Pb-free RoHS compliant construction meets current environmental regulations for consumer and industrial products
What is M20-9981746 used for?
The M20-9981746 is well suited for development boards, industrial controller backplanes, and educational electronics platforms that rely on the 2.54 mm standard pitch for signal and low-power interconnects. Its 34-position dual-row format enables parallel data buses of up to 16 bits plus ground and power lines within a single connector footprint. The straight through-hole design is compatible with both wave soldering in production and hand soldering during prototyping.
What are the specifications of M20-9981746?
| Pbfree Code | Yes |
| YTEOL | 9.1 |
| Connector Type | BOARD CONNECTOR |
| Contact Finish Mating | NOT APPLICABLE |
| Contact Finish Termination | Tin (Sn) - with Nickel (Ni) barrier |
| Contact Gender | MALE |
| Contact Material | BRASS |
| DIN Conformance | NO |
| Filter Feature | NO |
| IEC Conformance | NO |
| JESD-609 Code | e3 |
| MIL Conformance | NO |
| Mixed Contacts | NO |
| Mounting Style | STRAIGHT |
| Mounting Type | BOARD |
| Number Of Connectors | ONE |
| Number of Rows Loaded | 1 |
| Option | GENERAL PURPOSE |
| Terminal Pitch | 2.54mm |
| Termination Type | SOLDER |
| Total Number of Contacts | 34 |
| 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 | Taiwan |
Where can I find the M20-9981746 datasheet?
M20-9981746 Datasheet DownloadOfficial datasheet from Harwin
What are equivalent replacements for M20-9981746?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many positions does the M20-9981746 provide and what is its pin pitch?
The M20-9981746 is a 34-position dual-in-line connector arranged as 17 pins per row on a 2.54 mm (0.100 inch) pitch. This standard spacing aligns with virtually all 0.1-inch grid PCBs and breadboards, making it directly compatible with IDC cable assemblies and common female header receptacles without adapters.
What contact material and finish does the M20-9981746 use and how does this affect soldering?
The M20-9981746 uses brass contact pins with a tin (Sn) over nickel (Ni) barrier termination finish. The nickel barrier prevents tin diffusion into the brass substrate, improving long-term joint reliability. The tin finish is directly compatible with standard lead-free SAC305 solder paste and wave soldering processes at peak temperatures around 260°C.
What PCB applications benefit from the M20-9981746's 6.1 mm pin length?
A 6.1 mm straight pin length accommodates standard PCB thicknesses of 1.0 mm to 1.6 mm while leaving sufficient pin protrusion on the solder side for reliable fillet formation during wave or hand soldering. This makes the M20-9981746 well suited for single-sided PCBs used in data acquisition modules, relay driver boards, and panel-mounted controller cards.
How does the M20-9981746 compare to a 34-position SMT header for vibration-prone environments?
Through-hole connectors like the M20-9981746 form solder joints that penetrate the full PCB thickness, providing mechanical pull-out forces typically 5 to 10 times greater than equivalent SMT pads. For applications in vibrating machinery, automotive auxiliary electronics, or industrial field equipment, this superior mechanical retention reduces the risk of connector detachment under shock and vibration loads.
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About Harwin
Harwin is a leading electronic component manufacturer. FindMyChip sources Harwin ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1000+ | $0.6150 | $615.00 |
| 2600+ | $0.5040 | $1310.40 |
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