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Harwin Inc. M556 Series

20 variants · Harwin Inc.

About the Harwin Inc. M556 Series

The Harwin Inc. M556 Series series groups 20 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common applications of Automotive, General Purpose, Industrial, connector type of Receptacle and contact finish - mating of Gold. Variants differ by contact shape, insulation height and mated stacking heights, so you can match the exact contact shape your application requires using the selection guide below. All listed Harwin Inc. M556 Series part numbers are active and orderable.

Select a variant by

Contact shape
Rectangular · Square
Insulation height
0.246\" (6.25mm) · 0.356\" (9.05mm) · 0.537\" (13.64mm)
Mated stacking heights
8mm, 9.5mm, 11.1mm · 10.8mm, 12.3mm, 13.9mm · 15.4mm, 16.9mm, 18.5mm
Positions
12 · 16 · 20 · 26 · 32 · 40 · 50 · 80

Shared specifications

Applications
Automotive, General Purpose, Industrial
Connector type
Receptacle
Contact finish - mating
Gold
Contact finish - post
Tin
Contact finish thickness - mating
1.00µin (0.025µm)
Contact finish thickness - post
100.0µin (2.54µm)
Contact length - post
-
Contact material
Phosphor Bronze
Current rating
1.2A
Fastening type
Latch Holder
Features
Board Guide, Pick and Place, Solder Retention
Gender
Female Socket

Variant comparison

ParameterM55-6001242RM55-6002642RM55-6003242RM55-6004042RM55-6005042RM55-6008042R
Contact shapeRectangularRectangularSquareRectangularRectangularRectangular
Insulation height0.246\" (6.25mm)0.246\" (6.25mm)0.246\" (6.25mm)0.246\" (6.25mm)0.246\" (6.25mm)0.246\" (6.25mm)
Mated stacking heights8mm, 9.5mm, 11.1mm8mm, 9.5mm, 11.1mm8mm, 9.5mm, 11.1mm8mm, 9.5mm, 11.1mm8mm, 9.5mm, 11.1mm8mm, 9.5mm, 11.1mm
Positions122632405080

Request a quote on any Harwin Inc. M556 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the Harwin Inc. M556 Series variants differ?
Harwin Inc. M556 Series part numbers differ by contact shape, insulation height, mated stacking heights and positions. Use the selection guide above to pick by contact shape.
How many Harwin Inc. M556 Series part numbers are listed?
20 Harwin Inc. M556 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Harwin Inc. M556 Series?
Request a quote (RFQ) for any Harwin Inc. M556 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants