Product category:
Legislation: REACH, WEEE, RoHS, MCERTS News
News Release from: Harting | Subject: Connector compliance
Edited by the Processingtalk Editorial
Team on 22 February 2006
Harting connectors move to total RoHS
compliance
The Harting Technology Group has achieved compliance with the RoHS directive on virtually all its electrical and electronics connector ranges: well ahead of the directive coming into force
The Harting Technology Group has achieved compliance with the RoHS directive on virtually all its electrical and electronics connector ranges: well ahead of the directive coming into force, on the 1st July 2006 Many Harting products have been lead-free for some time, but connectors involving solder termination have traditionally relied on tin-lead coating which is prohibited under the RoHS Directive
This article was originally published on Processingtalk on 27 Jun 2008 at 8.00am (UK)
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Harting carried out exhaustive tests - both in its own laboratories and in conjunction with independent test houses - on alternative materials, before selecting pure tin with a matt surface as the optimum finish.
The use of matt tin virtually eliminates the possible formation of tin whiskers - a possible cause of short circuits and equipment failures - which can occur with bright finishes.
The material qualified and coated by Harting has shown no evidence of any visible whisker formation using optical microscopy.
Connectors based on this matt tin finish are suitable for use in modern high-temperature lead-free reflow soldering processes, where temperatures between 240C and 270C can be encountered.
For connectors using solder-free connection techniques, Harting has dispensed with the use of pure tin completely because of its susceptibility to deformation caused by mechanical stresses.
For press-fit, wire-wrap and crimp terminations, a nickel finish is used, while for insulation-displacement connectors the choice is either nickel or gold.
All product versions are fully upward and downward compatible, and all type numbers remain the same.
Each outer packaging for compliant parts is marked with a RoHS-compliant diamond shaped logo.
If the part is also lead-free, it is also marked with a round 'Pb free' logo.
Harting has worked very closely with its distribution network to ensure that compliant products are available to customers.
Comments Product Marketing Manager Kevin Canham: 'Over the past six months almost all deliveries have changed to RoHS compliant parts, unless a specific customer has asked for non-compliance because of exemption.'.
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