DIMM 100 Pin Socket
DIMM-100 Series
OUTLINE
DMM series is DIMM socket which is
conforming to JEDEC.
It is applied to memory modules for laser
printer, facsimile and other peripherals.
Conforming
S ta n d a r d
FEATURES
JEDEC
● Applicable memory modules are 100pins of 1.27mm pitch which conforms to JEDEC.
● Mating area of contacts are boat-shaped and it performs excellent contact stability
against contamination.
● It is available on the memory modules of operating voltage 3.3V.
● Push levers help ejection and locking the memory module easily and it is full-lock type.
SPECIFICATIONS
Rated Voltage
AC250V（r.m.s.)
Rated Current
0.5A / contact
Dielectric Withstand Voltage
500VAC(r.m.s.)/ 1 minute
Insulation Resistance
500M Ω at 500VDC
Contact Resistance
40 m Ω max.
MATERIAL/FINISH
Item
RoHS
Compliant
Compliant
Material / Finish　Contact
Copper Alloy / Contact Area Au plating, Tail Area Au(Flash) plating
Insulator
46 Nylon（UL94V-0) / Black
Eject lever
46 Nylon（UL94V-0)/ Black
◎ Specifications and/or dimenssions in this catalogue are subject to change without notice.
Your catalogue checking the latest speifications with our drawings would be highly appreciated.
140305
http://www.ddknet.co.jp
DMM-100 Series
Unit：mm
○ DIMM Memory Socket
DMM-100G-433FNK31-FG
FG：Lead free Tail Area Au(flash) over Ni plating
Number of pin
Connector Style(Key position)
G：25.68, 1.26
Package Style
K31：Tube Package
Tail Height
4：2.60
Connector Lock
N：No board lock
Tail Pitch
3：1.905mm
Ejector Style
F：Full-lock Ejector
Contact Plating(Mating Area)
1：Mating Area Au（0.76 μ）over Ni plating
2：Mating Area Au (0.38 μ）over Ni plating
3：Mating Area Au(Flash) over Ni plating
121.20 max.
104.50 max.
90.54
85.37
25.68
15.93
24.55
19.28
1.26
0.40
6.35
A
34.29
19.05
78.74
69.22
3.18
43.82
97.74
2.49
0.60
5.80
3.30
1.40
0.25
1.905 REF.
1.905
5.72
7.30
Section A-A
◎ Specifications and/or dimenssions in this catalogue are subject to change without notice.
Your catalogue checking the latest speifications with our drawings would be highly appreciated.
http://www.ddknet.co.jp
2
3.85
2.60
A
DMM-100 Series
Unit：mm
○ Recommended P.C.B Pattern Lay-out
φ0.10 C D
4
1.27
0.
05
34.29
6.35
φ
2.
4
19.05
6.35 6.35
D
1.00
8.35
02
1.00
1.00
1.00
φ
1.
1.00
1.00
0.
05
φ0.10 C D
36.29
21.05
（Pattern and via hole prohibition area)
78.74
C
○ Applicable Memory Module Dimensions
φ0.10 E F
6.35 6.35
19.05
4.00 0.10
6.35
34.29
17.78
0.25 max.
2.54 min.
E
1.27
F
No.50
1.26 0.10
X
2.99 min.
25.68 0.10
90.17
φ0.15 E F
No.100
1.27
6.35 6.35
19.05
0.99 0.05
34.29
6.35
φ0.10 E F
0.25
3.00 min.
2.54 min.
0.25 max.
No.51
Full R
2.00 0.10
φ0.10 E F
30
Detail Y(5/1)
Detail X(5/1)
◎ Specifications and/or dimenssions in this catalogue are subject to change without notice.
Your catalogue checking the latest speifications with our drawings would be highly appreciated.
http://www.ddknet.co.jp
3
1.27 0.10
No. 1
Y