1981276-4 TE Connectivity, 1981276-4 Datasheet - Page 16

• Manufacturer Part Number: 1981276-4
• Description: SEMI-HARD TRAY DDR2 SODIMM 5.2H STD AMC
• Manufacturer: TE Connectivity
• Type: SO DIMM Socketr

Specifications of 1981276-4

• Number Of Contacts: 200POS
• Number Of Contact Rows: 2
• Row Spacing (mm): 6.2mm
• Pitch (mm): 0.6mm
• Grid Size: Not Required
• Contact Plating: Gold Over Nickel
• Insulation Material: Thermoplastic
• Mounting Style: Surface Mount
• Contact Material: Copper Alloy
• Product Height (mm): 5.5mm
• Product Depth (mm): 27mm
• Product Length (mm): 69.7mm
• Gender: SKT
• Body Orientation: Right Angle
• Socket Style: SO DIMM
• Dram Type: Double Data Rate (DDR)
• Pcb Mount Style: Surface Mount
• Module Orientation: Right Angle
• Profile: Standard
• Keying: Standard
• Dram Voltage: 1.8 V
• Solder Tail Contact Plating: Gold Flash
• Socket Type: Memory Card
• Number Of Positions: 200
• Row-to-row Spacing (mm [in]): 6.20 [0.244]
• Centerline (mm [in]): 0.60 [0.024]
• Number Of Rows: Dual
• Ejector Type: Locking
• Ejector Location: Both Ends
• Number Of Keys: 1
• Latch Material: Stainless Steel
• Latch Plating: Tin
• Boss: Without
• Mount Type: Printed Circuit Board
• Contact Plating, Mating Area, Material: Gold
• Contact Base Material: Copper Alloy
• Housing Material: High Temperature Thermoplastic
• Housing Color: Black
• Ul Flammability Rating: UL 94V-0
• Stack Height (mm [in]): 5.20 [0.205]
• Insertion Style: Cam-In
• Center Key (mm [in]): None
• Rohs/elv Compliance: RoHS compliant, ELV compliant
• Lead Free Solder Processes: Reflow solder capable to 245°C, Reflow solder capable to 260°C
• Rohs/elv Compliance History: Always was RoHS compliant
• Application Type: Advanced Mezzanine Card (AMC)
• Packaging Method: Tray
• Packaging Quantity: 20
• Lead Free Status / RoHS Status: Compliant

Number
Part
Optional
Alignment Post
12.30
[.484
± .004
± 0.10
Plating
Tail
]
Alignment
Post
[.291
[2.835
72.00
7.40
Position No. 1
± 0.10
± .004
Measured to Bottom
± 0.20
± .008
of Card Slot
[.228
5.80
]
]
± 0.10
± .004
]
Ground Positions
Center Column
Position No. 170
of Holes Are
[2.303]
58.50
[.089]
Card Slot
2.25
[.059]
1.50
C L of
[.008]
0.20
Recommended Mounting Holes
[.059]
1.50
BSC
[.236]
6.00
[.053]
1.35
After Plating
[.022
0.55
[.094
Optional Holes
Used with
Part Number
1469944-2
2.40
Position No. 1
Card Slot
[.1644]
Typ.
4.175
C L of
± 0.05
± .002
± 0.10
± .004
[1.229]
31.22
]
BSC
]
2 Plcs.
[2.728]
69.30