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www.tycoelectronics.com
© 2009 Tyco Electronics Corporation. All Rights Reserved.
3-1773455-9 CIS-MS-10/2009
TE (logo) and Tyco Electronics are trademarks of the Tyco Electronics
group of companies and its licensors.
Other products, logos, and company names mentioned herein may
be trademarks of their respective owners.
APPLICATIONS
• Servers
• High End desktop computers
ELECTRICAL
• Low level bulk contact resistance: 15 milliohms max avg.
• Insulation resistance: 800 milliohms min. @ 500 VDC
MECHANICAL
• Nominal Defl ection: .5 mm
• Durability: 30 cycles
• Mating and Unmating force of Lever: 49N max
MATERIALS
• Socket assembly
Contact: Copper Alloy, gold plating on contact area over nickel plating.
Base housing: Thermoplastic UL94V-0
Cap: Thermoplastic UL94V-0
• ILM load plate and lever: Stainless steel
• ILM frame, nut and collar: Steel
• Backplate assembly: Steel
• Insulator: Polypropylene
APPLICATIONS AND SPECIFICATION
• Application specifi cation 114-5432
• Product specifi cation 108-78496
PRODUCT OFFERINGS
Sockets and Hardware
for LGA 1366 Processors
Part Number Description Plating Solder Ball
1981837-1 LGA 1366 Socket 15 Gold Lead Free
1981837-2 LGA 1366 Socket 30 Gold Lead Free
1-1981837-2 LGA 1366 Socket 30 Gold Leaded
1939738-1 ILM U Lever
1-1939738-2 ILM Straight Lever
1-1939738-1 Short Straight Lever
1939739-1 Desktop Back Plate
1981467-1 Server Back Plate
1-1981374-1 Spare socket cap
ILM/Back Plate Kits
Part No. 1939738-1
U Lever
1-1939738-2
Straight Lever
1-1939738-1
Short Straight
Lever
1939739-1
Desktop Back
Plate
1981467-1
Server Back
Plate
2040865-1 1 1
2040865-2 1 1
2040865-3 1 1
2040865-4 1 1
2040865-9 1 1
1-2040865-0 1 1
While Tyco Electronics has made every reasonable effort to ensure the accuracy of the information in this catalog, Tyco Electronics does not guarantee that it is
error-free, nor does Tyco Electronics make any other representation, warranty or guarantee that the information is accurate, correct, reliable or current. Tyco
Electronics reserves the right to make any adjustments to the information contained herein at any time without notice. Tyco Electronics expressly disclaims all implied
warranties regarding the information contained herein, including, but not limited to, any implied warranties of merchantability or fi tness for a particular purpose. The
dimensions in this catalog are for reference purposes only and are subject to change without notice. Specifi cations are subject to change without notice. Consult Tyco
Electronics for the latest dimensions and design specifi cations.
KEY FEATURES
• 1366 contacts with a 1.016mm x
1.016mm grid.
• Available with 15 or 30 Gold
contact plating.
• Socket housing facilitates effi cient
soldering to the PCB board.
• Socket is supplied with a cap
to facilitate vacuum pick and
place. Spare caps can be ordered
separately.
• Two backplate options for use in
desktop or server applications.
• ILM and backplate must be
ordered separately. Kits are also
available for ease in ordering.