Transcript
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
