DMM3-RS144A2B-13 [DDK]

SO-DIMM Socket for Memory Expansion; SO- DIMM插槽的内存扩展


型号：	DMM3-RS144A2B-13
厂家：	DDK LTD.
描述：	SO-DIMM Socket for Memory Expansion SO- DIMM插槽的内存扩展连接器集管和边缘连接器 PC
文件：	总4页 (文件大小：358K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

SO-DIMM Socket for Memory Expansion

Comforming to JEDEC Standard DMM3 Series, 144 Contacts,

0.8mm Pitch

・ Notebook computers, palmtop computers and

handheld devices

FEATURE

●Applicable to 144-position SO-DIMM module

board per JEDEC standard

●Easy mating and unmating with unique locking

and ejecting system

●Surface mount design

●Voltage keying design for 3.3V modules

Ｇ

DMM3(144)

SPECIFICATION

Voltage rating

Current rating

100V AC (rms)

0.5A/contact

Dielectric withstanding voltage 250V AC (rms) for 1 minute

Insulation resistance

Contact resistance

250MΩ min. at 250V DC

40mΩmax.

MATERIAL/FINISH

Contact/Finish Copper alloy/Gold over Nickel plating (mating), Tin-Lead (tail)

Insulator

LCP resin (UL94V-O)/Ivory

Copper alloy/Solder plating

Locking Tab

●ꢀ1 ●

DMM3 Series (144 Contacts)

Unit : mm

DMM3-RS144A2B-13

63.00

31.50

φ0.9

φ1.45

32.80

30.10

2.10

23.20

30.50

2.50

72.00

67.85

62.80

Ｇ

DMM3(144)

(1.00)

(1.10)

30.50

32.80

30.10

23.20

2.50

2.10

0.7

69.60

72.00

2.0

4.00

● ꢀ2 ●

DMM3 Series (144 Contacts)

Unit : mm

PCB Mounting Dimensions

63 ^{± 0.05}

60.6 ^{± 0.03}

31.5 ^{± 0.10}

30.3

4.5 ^{± 0.10}

60.6 ^{± 0.05}

4.8 ^{± 0.05}

2.1 ^{± 0.10}

23.2 ^{± 0.03}

32.8 ^{± 0.03}

0.8 ^{± 0.03}

0.5 ^{± 0.03}

ꢀ1 ^{± 0.03}

2.5 ^{± 0.10}

32.8 ^{± 0.03}

23.2 ^{± 0.03}

4.6 ^{± 0.03}

Ｇ

DMM3(144)

60.6 ^{± 0.03}

PCB Connector Mounting Space (Reference)

Ｐ.Ｃ.Ｂ

4.3

4.7

25°

●ꢀ3 ●

DMM3 Series (144 Contacts)

Unit : mm

Module Dimensions

Ｒ3

3.8MAX.

Ｄ

№ 143

Ｃ

1.5 ^{± 0.10}

2.5 ^{± 0.05}

Ｅ

№ 1

3.3 ^{± 0.10}

23.2 ^{± 0.05}

2.1 ^{± 0.05}

φ2

32.8 ^{± 0.05}

4.8 ^{± 0.05}

67.6 ^{± 0.10}

Ｇ

DMM3(144)

1.5 ^{± 0.10}

63.6

4.8 ^{± 0.05}

2.1 ^{± 0.10}

Detail “C”

23.2 ^{± 0.05}

2.5 ^{± 0.05}

3.7 ^{± 0.10}

32.8 ^{± 0.05}

№ 144

№ 2

1 ^{± 0.10}

Ｒ2

Detail “D”

33.8

（63.6）

（67.6）

0.8 ^{± 0.10}

0.6 ^{± 0.05}

Detail “E”

● ꢀ4 ●

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