305/315/355
SERIES
Card Edge Connectors 0.156” (3.96mm) Pitch
Features:
•
•
•
•
•
•
•
•
•
0.156” (3.96mm) contact spacing x 0.140” (3.56mm) row spacing
Accepts 0.062” (1.57mm) nominal thickness P.C. board
Low profile insulator body, 0.470” (11.94mm)
Contact termination options include P.C. tail, wire hole, extender board bends
Dual row configuration
Large variety of mounting options
Accepts between contact and in-contact polarizing keys
Pre-assembled card guides are available
RoHS Compliant & UL Certified
Specifications:
Insulator Material
Contact Material
Contact Plating
Current Rating
Contact Resistance
Dielectric Withstanding Voltage
Insulation Resistance
Operating Temperature
Insertion Force
Withdrawal Force
UL 94V-0 Thermoplastic Polyester
Copper Alloy
Gold Plating on mating area and Tin Plating on tails with Nickel underplating all over
5 amps
10 milliohms maximum
1800 V AC rms at sea level between adjacent contacts
5000 megaohms minimum
-40°C to +105°C
16 oz (4.45 N) maximum per contact pair when tested with .070” (1.78mm) thick gauge
1 oz (0.28 N) 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
Description:
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
Series:
305
315
355
Total Number of Contacts:
012, 014, . . . . 086
Contact Code:
500
520
521
555
556
Insulator Style:
2
5
Description:
Wire Hole
P.C. Tail
P.C. Tail
EXTENDER
BOARD BEND
EXTENDER
BOARD BEND
Insulator Color:
Green
Green
Black
Contact Rows:
Dual Row
Tail Size:
.087” x .015” (2.21 x
0.38)
.046” x .015” (1.17 x
0.38)
.037” x .015” (0.94 x
0.38)
(Code 500 Contacts)
(Code 520 Contacts)
Description:
Card Slot Length:
Standard Length per MIL-C-21097
.020"(0.51mm) Shorter than Standard
Standard Length per MIL-C-21097
12
58
68
78
Tail Length “G”:
.282” (7.16)
.213” (5.41)
.125” (3.18)
IN-CONTACT
POLARIZING KEY
P/N 307-240-328
BETWEEN CONTACT
POLARIZING KEY
P/N 306-240-318
.295” (7.49) Card Slot Depth
.330” (8.38) Card Slot Depth
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.
www.edac.net
customerservice@edac.net
305/315/355
SERIES
Card Edge Connectors 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
.156 (3.96)
PANEL MOUNT
CUT OUT
.140 (3.56)
Ø.136 (3.45) REF.
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
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
"A"
"B"
"C"
305,355
"D"
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
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
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
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
Inch
1.100
1.724
2.036
2.504
2.972
3.596
3.908
4.064
4.532
4.844
5.780
6.872
mm
27.94
43.79
51.71
63.60
75.49
91.34
99.26
103.23
115.11
123.04
146.81
174.55
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
www.edac.net
customerservice@edac.net
305/315/355
SERIES
Card Edge Connectors 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
www.edac.net
customerservice@edac.net
Microchip MCU
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
