TE Connectivity announced Tuesday that it will buy Deutsch Group, a leading maker of heavy-duty electronic connectors, from German investment group Wendel for $2.06 billion.

Deutsch, a California company founded in 1938, makes electric and fiber-optic products that connect and protect the flow of power and data in what the TE Connectivity press release described as “harsh environments.” Since Wendel acquired the company in 2006, Deutsch’s sales have grown by more than 22 percent. The company, which employs 3,600 people, expects sales of approximately $670 million in 2011, according to a Wendel statement.

Switzerland-based TE Connectivity, formerly known as Tyco Electronics, was spun off from Tyco International in 2007. It is the world’s leading maker of electronic connectivity components, with sales of roughly $14.3 billion in the fiscal year that ended September 30. TE Connectivity said in its press release that it expects the Deutsch acquisition to bolster its presence in the aerospace, defense, industrial equipment, industrial transportation, offshore oil and gas, and rail industries.

David Polk & Wardwell is representing TE Connectivity in the transaction, with partners Arnaud Peres and William Aaronson leading the firm’s team on the matter. Partner Arthur Burke is providing antitrust advice. The firm’s relationship with TE Connectivity stretches back to shortly after it broke off from Tyco International. Most recently, Aaronson led a Davis Polk team that advised the company, then known as Tyco Electronics, on its $1.25 billion purchase of ADC Telecommunications in 2010.

Linklaters is advising Wendel, with partners David Swinburne and Anne Wachsmann taking the lead for the firm. Linklaters previously represented Wendel in its public buyout acquisition of the Legrand Group in 2002 and its purchase of a controlling stake in French publishing group Editis in 2004.

The deal is expected to close in the first half of 2012.