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3M 4- Wall Header 2500 Series User Manual

Summary

This low-profile 4-Wall header series provides space-saving, high-reliability interconnect solutions for surface-mount electronics. Designed with polarization slots and robust materials, it ensures stable connections in demanding environments. The manual details comprehensive specifications, dimensional guides (straight/right angle), electrical ratings, and ordering information necessary for seamless integration into your printed circuit board designs. Ideal for electrical engineers and product designers needing reliable, compliant interconnect components.

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3M™ 4-Wall Header .100″ × .100″ Low Profile, Straight and Right Angle 2500 Series

Low profile, space saving design Center slot polarization prevents mis-insertions and reduces insertion time Dual slot polarization means broader compatibility with competitive polarization designs Optional retainer clip for locking sockets in place and increasing connection reliability in vibration- prone environments High temperature insulator suitable for “no lead” soldering operations Suitable for reflow soldering using “paste in hole” techniques Exposed solder tails (on right angle version) provide ease of cleaning and reduced repair costs Ro HS* compliant

Date Modified: August 25, 2005 TS-0770-15

Sheet 1 of 4

Physical

Insulator Material: Glass Filled Polyester (PCT) Flammability: UL 94V-0 Color: Black Contact Material: Copper Alloy Plating Underplating: 100 µ″ [ 2.54 µm ] Nickel - Overall Wiping Area: 30 µ″ [ 0.76 µm ] Gold Solder Tails: 200 µ″ [ 5.08 µm ] Matte Tin

Terminal Finish Indicator: e3 (per JESD97)

Marking: 3M Logo, Part Identification Number and Orientation Triangle

Electrical

Current Rating: 2 A Insulation Resistance: >1 × 109 Ω at 500 Vdc Withstanding Voltage: 1000 Vrms at Sea Level

Environmental

Temperature Rating: -55°C to +105°C Process Rating: Maximum 260°C, single pass, (profile per J-STD-020C) Moisture Sensitivity Level: 1 (per J-STD-020C)

*Ro HS = Directive 2002/95/EC, Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment

"Ro HS compliant" means that the product or part does not contain any of the following substances in excess of the following maximum concentration values in any homogeneous material, unless the substance is in an application that is exempt under Ro HS: (a) 0.1% (by weight) for lead, mercury, hexavalent chromium, polybrominated biphenyls or prolybromianted diphenyl ethers; or (b) 0.01% (by weight) for cadmium. Unless otherwise stated by 3M in writing,

this information represents 3M's knowledge and belief based upon information provided by third party suppliers to 3M.

3M 3M is a trademark of 3M Company. Interconnect Solutions For technical, sales or ordering information call http://www.3M.com/interconnects/ 800-225-5373

Page Summary Contents For 3M 4- Wall Header 2500 Series User Manual

Page 1 3M™ 4-Wall Header .100″ × .100″ Low Profile, Straight and Right Angle 2500 Series Low profile, space saving design Center slot polarization prevents mis-insertions and reduces insertion time Dual slot...
Page 2 3M™ 4-Wall Header .100″ × .100″ Low Profile, Straight and Right Angle 2500 Series Inch [mm] Tolerance Unless Noted Inch ± .01 ± .005± .1 [ ] Dimensions for Reference only .112 +/- .01 [2.84] for 02 &a...
Page 3 3M™ 4-Wall Header .100″ × .100″ Low Profile, Straight and Right Angle 2500 Series Table 1 Dimensions Pin Polarizing Qty Notches .788 [20.02] .708 [17.98] BC .988 [25.10] .908 [22.06] B C D E 1.088 [27...
Page 4 3M™ 4-Wall Header .100″ × .100″ Low Profile, Straight and Right Angle, Accessories 2500 Series Connector Dimension 2500 & 3000 Series Shrouded Header Pin Qty Total .81 [20.6,] Number of Number of ...
Page 5 Important Notice Warranty; Limited Remedy; Limited Liability. All statements, technical information, and recommendations This product will be free from defects in material and manufacture related to 3...

Manual Details

Brand 3M
Pages 5
File Size 359.38 KB
Published May 12, 2026
76 views

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Frequently Asked Questions

What are the environmental temperature limits for this header?

The product is rated for an environmental temperature range of -55°C to +105°C.

Does it comply with restrictions on hazardous substances?

Yes, the product is RoHS compliant and does not contain lead or mercury in excess of regulated amounts.

Is this component suitable for soldering operations?

It is hiugh-temperature rated (Max 260°C) and can handle both 'no lead' soldering and reflow soldering with 'paste in hole'.

What special features improve connection reliability?

Optional retainer clips can be used to lock sockets, which increases connection reliability in vibration-prone environments. It also has dual slot polarization for compatibility.