305/315/355 SERIES
Card Edge Connector 0.156" (3.96mm) Pitch
FEATURES:
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.156" (3.96mm) Contact Spacing x .140" (3.56mm) Row Spacing
Accepts .062" (1.57mm) Nominal Thickness P.C. Board
Low Profile Insulator Body, .470" (11.94mm)
Contact Termination Options include P.C. Tail, Wire Hole,
Extender Board Bends
Single or Dual Row Configurations
Large Variety of Mounting Options
Accepts between Contact and In-Contact Polarizing Keys
Pre-assembled Card Guides are available
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Specifications:
Insulator Material
Contact Material
Contact Plating
Current Rating
Contact Resistance
Dielectric Withstand Voltage
Insulation Resistance
Operating Temperature
Insertion Force
Withdrawal Force
RoHS Compliant & UL Recognize
UL 94V-0 Thermoplastic Polyester
Copper Alloy
Gold Plating on mating area and Tin Plating on tails with Nickel underplating all over
5 Amperes
10 milliohms maximum
1800 VAC rms at sea level between adjacent contacts
5000 Megohms minimum
-40°C to +105°C
16oz (4.45N) maximum per contact pair when tested with .070" (1.78mm) thick gauge
1oz (0.28N) minimum per contact pair when tested with .054" (1.37mm) thick gauge
Example Part Number:
Series
Total Number of Contacts
Contact Code
Insulator Style
Mounting Options
305-056-521-202
Mounting Options:
01
02
03
04
07
08
12
58
68
78
Description
Series:
305
315
355
Insulator Color
Green
Green
Black
Card Slot Length
Standard Length per MIL-C-21097
.020"(0.51mm) Shorter than Standard
Standard Length per MIL-C-21097
No Mounting Lug
Ø.128" (Ø3.25mm) Mounting Holes
Ø.116" (Ø2.95mm) I.D. Floating Eyelets
Ø.156" (Ø3.96mm) Mounting Holes
M3-0.5 Metric Threaded Inserts
#4-40 Unified Threaded Inserts
Ø.128" (Ø3.25mm) Side Mounting Holes
.468" (11.89mm) Offset Card Guides
.344 (8.74) Offset Card Guides
In-Line Card Guides 2.750" (69.85mm) Long
Ordering Code Notes:
1) All connector sizes up to 86 contacts dual row are available upon request.
2) For details of the extender board bends refer to next pages.
3) Consult with EDAC Inc. regarding single row configuration and wire wrap tail
options
4) Insulator style code 5 is available for the 305 and 355 series upon request.
5) For details of the mounting options refer to next pages.
Total Number of Contacts:
012, 014, . . . . 086
Contact Rows
Dual Row
Contact Code Description & Tail Size
500
520
521
555
556
Wire Hole
.087 x .013 (2.21 x 0.33)
P.C. Tail
.046 x .013 (1.17 x 0.33)
P.C. Tail
.046 x .013 (1.17 x 0.33)
EXTENDER BOARD BEND (Code 500 Contacts)
EXTENDER BOARD BEND (Code 520 Contacts)
Tail Length "G"
.282 (7.16)
.213 (5.41)
.125 (3.18)
BETWEEN CONTACT
POLARIZING KEY
P/N 306-240-318
IN-CONTACT
POLARIZING KEY
P/N 307-240-328
Insulator Style
2
5
Description
.295 (7.49) Card Slot Depth
.330 (8.38) Card Slot Depth
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305/315/355 SERIES
Card Edge Connector 0.156" (3.96mm) Pitch
INSULATOR STYLE
CODE 2
CARD SLOT ACCEPTS .054 (1.37)
TO .070 (1.78) THICK P.C. BOARD
.343 (8.71) UP TO 27/54 PIN
.500 (12.70) 28/56 & OVER
.156 (3.96)
.295 (7.50)
CARD SLOT
.470 (11.94)
.260 (6.60)
.090 (2.29) POINT
OF CONTACT
INSULATOR STYLE
CODE 5
.048 (1.22) X .125 (3.18)
WIRE HOLE
.330 (8.38)
CARD SLOT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
.140 (3.56)
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
.125 (3.18) POINT
OF CONTACT
PANEL MOUNT .124
(3.15)
CUTOUT
.380 (9.65)
UP TO 27/54 PIN
.535 (13.59)
28/56 PIN & OVER
.140 (3.56)
Ø.136 (3.45) REF.
.156 (3.96)
PANEL MOUNT
CUT OUT
Ø.050 (1.27)+.004 (0.10)/-.000
HOLE PATTERN FOR DUAL P.C. TAIL
.008 (0.20) DIA
(
MINUS .012 (0.30)
)
+.000
-.015 (0.38)
CARD SLOT
DEPTH PLUS
.020 (0.51)
.125 (3.18)
IN-CONTACT
POLARIZING KEY
.055 (1.40)
CUT OUT FOR
POLARIZING KEY
NUMBER OF
CONTACTS
Single
12
20
24
30
36
44
48
50
56
60
72
86
"A"
inch
1.842
2.466
2.778
3.246
3.714
4.338
4.65
4.806
5.274
5.586
6.522
7.614
mm
46.79
62.64
70.56
82.45
94.34
110.19
118.11
122.07
133.96
141.88
165.66
193.40
Inch
1.532
2.156
2.468
2.936
3.404
4.028
4.340
4.496
4.964
5.276
6.212
7.304
"B"
mm
38.91
54.76
62.69
74.57
86.46
102.31
110.24
114.20
126.09
134.01
157.78
185.52
Inch
1.246
1.870
2.182
2.650
3.118
3.742
4.054
4.210
4.678
4.990
5.926
7.018
"C"
mm
31.65
47.50
55.42
67.31
79.20
95.05
102.97
106.93
118.82
126.75
150.52
178.26
"D"
305,355
Inch
mm
1.100
27.94
1.724
43.79
2.036
51.71
2.504
63.60
2.972
75.49
3.596
91.34
3.908
99.26
4.064
103.23
4.532
115.11
4.844
123.04
5.780
146.81
6.872
174.55
315
Inch
1.080
1.704
2.016
2.484
2.952
3.576
3.888
4.044
4.512
4.824
5.760
6.852
mm
27.43
43.28
51.21
63.09
74.98
90.83
98.76
102.72
114.60
122.53
146.30
174.04
Inch
0.780
1.404
1.716
2.184
2.652
3.276
3.588
3.744
4.212
4.524
5.460
6.552
"E"
mm
19.81
35.66
43.59
55.47
67.36
83.21
91.14
95.10
106.98
114.91
138.68
166.42
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305/315/355 SERIES
Card Edge Connector 0.156" (3.96mm) Pitch
.250 (6.35) DIA
A
DIA THROUGH
HOLES
.010 (0.25) RADIAL
FLOAT
0.328(8.33)
CODE x07
M3-0.5 METRIC
CODE x08
#4-40 UNC
THREADED INSERTS
CONNECTOR
DIMENSION
B
CONNECTOR
DIMENSION
C
CONNECTOR
DIMENSION
B
.005 (0.51) VERTICAL
FLOAT
.116 (2.95) I.D.
FLOATING EYELETS
CONNECTOR
DIMENSION
B
MOUNTING OPTION
CODES x02 AND xO4
(THROUGH MOUNTING HOLES)
MOUNTING OPTION
CODE x01
(NO MOUNTING LUGS)
MOUNTING OPTION
CODE x03
(FLOATING EYLETS)
MOUNTING OPTION
CODES x07 & x08
(THREADED INSERTS)
.120 (3.05)
.095 (2.41)
0.255
(6.48)
.045 (1.14) TO .060 (1.52)
BETWEEN TAILS
.125 (3.18) TO .210 (5.33)
OUTSIDE TAILS
CONTACT CODE 555 BEND USES
WIRE HOLE CONTACTS
.045 (1.14) TO .060 (1.52)
BETWEEN TAILS
.125 (3.18) TO .185 (4.70)
OUTSIDE TAILS
CONTACT CODE 556
0.185
(4.70)
"A"
"C"
0.090(2.20)
CARD GUIDE
CARD GUIDE
1.550
(39.37)
"B"
CONNECTOR
CONNECTOR
.260 (6.60)
.260 (6.60)
#4-40 UNC
THREADED
INSERT
CONNECTOR "B"
DIMENSION
MOUNTING OPTION
CODE x78
(IN-LINE CARD GUIDE)
SEE A CAD REF. DWG. # 305-220-002
#4-40 UNC
THREADED
INSERT
CONNECTOR
"B"
DIMENSION
"D"
MOUNTING OPTION
CODES x58 & x68
(OFFSET CARD GUIDES)
CODE X02 AND X04- THROUGH MTG. HOLES CODES X58 AND X68- OFFSET CARD GUIDES
CODE X02
"A" DIA.
0.128(3.25)
CODE X04
0.156(3.96)
"A"
"B"
"C"
"D"
CODE X58
0.468(11.89)
2.755(69.98)
0.125(3.18)
0.423(10.74)
CODE X68
0.344(8.74)
2.505(63.63)
0.060(1.52)
0.242(6.15)
CODE X07 AND X08- THREADED INSERTS
CODE X07
INSERT
M3-0.5(METRIC)
CODE X08
#4-40 UNC
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