VHDCI Connector
DFG Series
OUTLINE
DFG series is shielded high density I/O
Conforming
Standard
connector conforming to SFF-8441 standard.
Applications are workstation, high-end PC, disc
array, PLC and other network I/O.
SFF-8441
FEATURE
・It is a 68 contacts of 0.8mm pitch connector. Since the contact is ribbon style, it is reliable connection
and can withstand tortional mating.
・2 of 3 smaller size than half pitch 68 pins connector (SCSI-3)
・EMI and ESD shielded
SPECIFICATIONS
Receptacle
Rated Voltage
Rated Current
Dielectric Withstanding Voltage
Insulation Resistance
Contact Resistance
30V AC（r.m.s.）
0.3A / Contact
250V AC（r.m.s.）/ 1 minute
500M Ω min. at 100 V DC
80m Ω max.
Plug Harness
Rated Voltage
Rated Current
Dielectric Withstanding Voltage
Insulation Resistance
Characteristic Impedance
30V AC（r.m.s.）
0.3A / Contact
100V AC（r.m.s.）/ 1 minute
10M Ω min. at 100V DC
90 Ω / Single-ended (Cable)
MATERIAL / FINISH
Plug Harness
Item
Contact
Insulator
Shell
Inner Shell
Hood
Jack Screw
RoHS
Compliant
Compliant
Material / Finish
Copper Alloy / Contact Area：Au over Ni, Tail Area：Sn-Ag
LCP Resin（UL94V-0）/ Black
Copper Alloy or Steel / Ni
Copper Alloy or Steel / Ni
ABS Resin（UL94V-0）/ Black
Copper Alloy or Steel / Ni or No plating
Receptacle
Item
Contact
Insulator
Shell
Board Lock / Tab
Jack Socket
Bit Insert
Material / Finish
Copper Alloy / Contact Area：Au over Ni, Tail Area：Sn-Ag
LCP Resin or Nylon（UL94V-0）/ Black
Copper Alloy or Steel / Ni
Copper Alloy / Sn-Ag
Stainless Steel
Copper Alloy or Steel / Sn-Ag or No plating
101028
◎ Specifications and/or dimensions in this catalog are subject to change without notice.
Your checking the latest specifications with our drawings would be highly appreciated.
http://www.ddknet.co.jp
DFG Series
Unit：mm
○ Plug Harness
D F G -H A2 -0 1 0 - R OH S
Contact Plating
1：Contact Area Au（0.76 μ m）over Ni
2：Contact Area Au（0.4 μ m）over Ni
Cable Length
005：L ＝ 0.5m
010：L ＝ 1.0m
020：L ＝ 2.0m
030：L ＝ 3.0m
050：L ＝ 5.0m
100：L ＝ 10.0m
L
37.7
42
M2 0.4
6
34.2
42.7
No.68
No.35
2.68
10
3.75
7
Wiring Diagram
CH-1
1
35
2
36
3
37
4
38
CH-2
1
35
2
36
3
37
4
38
No.34
0.8
0.8 33=26.4
31.95
No.1
31
65
32
66
33
67
34
68
F.G.
31
65
32
66
33
67
34
68
F.G.
◎ Specifications and/or dimensions in this catalog are subject to change without notice.
Your checking the latest specifications with our drawings would be highly appreciated.
http://www.ddknet.co.jp
2
DFG Series
Unit：mm
○ Right Angle Receptacle
D F G- R A 6 8 -R 2 2 1 A -FA
Mating Style
R：Receptacle
Connector Style
A：Right Angle, DIP
Number of Contact
68
Contact Tail Style
R：Right Angle
Contact Tail Length
2：2.3
FA：Lead Free
Screw Lock
A：with Screw Lock (Attached)
Board lock
1：with Board Lock
Contact Plating
2：Contact Area : Au(0.4 μm over Ni
）
Tail Area : Sn-Ag over Ni
34.70
14.72 REF.
V
18.85
9.45
42.70
37.70
31.70
28.30
26.40
0.80
Z
14.65
R
M2X0.4 Thread
2PLC
No.1 Contact
3.50
Panel Cut out Dimensions
Applicable Panel Thickness：1.12 0.08
6.00 REF.
6.00
3.50
0.30
26.80 REF.
32.35
41.90
Z
0.30
0.80
2.28
2.63
2.25
5.20
1.55
3.925
10.68
4.68
3.50 REF.
φ3.8
0.40
0.80
1.20
1.60
Ｍ２ 0.4
26.80
39.85
41.90 (1.650)
(32.60 (1.283))
X
Y
Jack Socket
S
4.775 (.188)
3.40 (.134)
32.35 (1.274)
2.775 (.109)
1.15 (.045)
1.20 (.047)
(5.74 (0.226))
(4.07 (.160))
2.25 (.089)
0.80 (.031)
0.40 (.016)
(28.16 (1.149))
No. 34 Contact
No. 1 Contact
No. 2 Contact
1.15 (.045)
1.085 (0.043)
(.069
±.003
) (NTH)
φ1.75
±0.08
6.30 (.248) MAX.
W
2.625 (.103)
φ0.08 S T
No. 68 Contact
(.047
±.002
)
φ1.2
±0.05
(.089
±.004
)
φ2.25
±0.10
(TH)
φ0.08 S T
φ0.08 S T
EDGE OF P.C.B.
φ1
±0.05
(.039
±.002
)
φ0.65
±0.05
(.026
±.002
) (TH)
φ0.08 S T
φ0.08 S T
Detail：W
PCB Mounting Dimensions
Applicable PCB Thickness ：1.6
0.15
◎ Specifications and/or dimensions in this catalog are subject to change without notice.
Your checking the latest specifications with our drawings would be highly appreciated.
http://www.ddknet.co.jp
3
4.90
4.30
3.70
2.40 0.08
4.88 0.08
DFG Series
Unit：mm
○ Double-Decker Right Angle Receptacle
D F G- R D 1 3 6 -R 2 2 4 A - FA
Mating Style
R：Receptacle
Housing Type
D：Double-Decker
Number of Contact
136
Contact Tail Style
R：Right Angle
Contact Tail Length
2：2.3
FA：Lead Free
Jack Screw
A：with Jack Screw(Attached)
Metal Tab
4：with Metal Tab
Contact Plating
2： Contact Area Au(0.4 μm over Ni
）
Tail Area Sn-Ag over Ni Plating
30.40
34.70
18.85
FULL R
23.40 ＲＥ
Ｆ.
13.55
Panel Mounting Dimensions
42.70
Contact No.2
Contact No.1
0.80
Ｚ
37.70
28.30
0.8 34＝26.40
Applicable Panel Thickness 1.12
：
Contact No.68
４ＰＬＣ
M2X0.4 Screw
Contact No.34
5.20
18.20
0.08
3.50 5.84
11.84
Contact No.1
2.3
0.75
0.30
Z
Contact No.2
32.35
5.30REF.
1.15
1.20
1.15
1.15
1.20
1.15
5.08
Section. Z-Z
136-φ1
0.05
0.05
Contact No.34
Contact No.68
Metal Tab
2.15
1.15
1.20
1.15
2.98
1.60
0.80
136-φ0.65
0.50
5.00
10.68
4.68
5.08
2.25
0.80
7.50
1.15
1.20
1.15
2.78
0.40
32.35
2-φ1.2 Hole
2-φ2.2
Land
Jack Socket
PCB Mounting Dimensions
Applicable PCB Thickness 1.6
0.15
：
◎ Specifications and/or dimensions in this catalog are subject to change without notice.
Your checking the latest specifications with our drawings would be highly appreciated.
http://www.ddknet.co.jp
4
3.8DIA.
3.50
2.40
4.88
Ｍ２ 0.4
DFG Series
Unit：mm
○ Straight Receptacle
D F G- R C 6 8 - S A2 3 B -FA
Mating Style
R：Receptacle
Housing Style
C：Straight
Number of Contact
68
Contact Tail Style
S：Straight
Mounting Style
A：SMT
Contact Plating
2：Contact Area Au（0.4 μ
）over Ni
Tail Area Sn-Ag over Ni
FA：Lead Free
Jack Socket
B：with Jack Socket for Panelless
（M2 0.4）
Board Lock
3：with Board Lock and Soldering post
30.6
28.7
φ1.1
φ3.4
φ2.0
(0.4)
(0.8)
3.9
3.1
2.3
1.9
2.8
5.8
φ3.8
42.7
37.7
31.65
26.4
0.8
3.46
No.1 Contact
5.0
7.5
M2X0.4 Thread
2PLC
No.34 Contact
5.2
10.7
14.4
No.68 Contact
No. 35 Contact
37.7 0.05
2.3+0.8 33＝28.7 0.05
1.5
0.05
68 PLC
(0.8)
No.1 Contact
No. 2 Contact
No. 34 Contact
3.9 0.05
3.1 0.05
2.3 0.05
3.4 Land
3.0 0.05
1.2 0.05
0.45
0.02
68 PLC
No. 35 Contact
POSN 68
(0.4)
(0.8)
1.9+0.8 33＝28.3 0.05
30.6 0.05
1.9 0.05
2.7 0.05
3.5 0.05
3.55 0.03
PCB Mounting Dimensions
Applicable PCB Thickness 1.6mm
：
◎ Specifications and/or dimensions in this catalog are subject to change without notice.
Your checking the latest specifications with our drawings would be highly appreciated.
http://www.ddknet.co.jp
5
6.0 0.05
+0.1
2.2 0
2.5
3.0
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