DM-144P CONNECTOR
0.8mm pitch/Socket for DDR2 S.O.DIMM Corresponding to 32 bits
Specifications –––––––––––––––––––
• Current rating: 0.5A AC, DC
• Voltage rating: 250V AC, DC
• Temperature range: -25˚C to +85˚C
(including temperature rise in applying
electrical current)
• Contact resistance: Initial value/30m Ω max.
After environmental testing/50m Ω max.
• Insulation resistance: 250M Ω min.
• Withstanding voltage: 250V AC/minute
* Compliant with RoHS.
* Refer to "General Instruction and Notice when using
Terminals and Connectors" at the end of this catalog.
* Contact JST for details.
• Easy module inserting /ejecting
• Low profile of 14.0mm height
＋0.05
No.2
No.38
No.144
No.40
＋0.05
φ1.45 0
2 0
＋0.1
φ1.05 0
No.37
No.1
No.39
±0.02
0.8
14.4±0.03
0.8
Note: 1. The above figure is the figure viewed from the connector mounting side.
2. Tolerances are non-cumulative: ±0.02mm for all centers.
3. The dimensions above should serve as a guideline. Contact JST for details.
No.143
(0.4)
41.6±0.03
4.6
75.6±0.05
1
0.5±0.02
±0.02
＋0.1
8.6 0
Socket for DDR2 S.O.DIMM 144-circuit
complying with JEDEC (MO-274).
Corresponding to the data transmission
bandwidth of 32 bits.
DM-144P CONNECTOR/32 bits
Connector
No.2
No.38
No.40
No.1
No.37
No.39
No.144
No.143
0.8
2.5
0.8
14.4
4.6
41.6
8.3
14
7.8
9.4
75.6
Model No.
Material and Finish
Q’ty / box
Contact: Copper alloy, nickel-undercoated, gold-plated
Housing: Heat resisting resin, UL94V-0, black
Ejector: Heat resisting resin, UL94V-0, green
DM-5D7-B3200
224
RoHS compliance
Applicable PC board layout (for reference)
2.5±0.1
R2
1±0.1
±0.1
R1
6
1.5 ±0.1
No.1
＋0.2
2.5
(3.3)
＋0.2
＋0.05
10
No.143
0
No.39
No.37
20
2
2-φ1.8
30
13.6
4±0.1
15.7
0 ＋0.05
4.6
14.4
Edge of PC board
41.6
63.6
(3.7)
14.4
No.2
2±0.1
4.6
2.1
41.6
No.40
No.144
No.38
2