307/357
SERIES
Card Edge Connectors 0.156” (3.96mm) Pitch
Features:
•
•
•
•
•
•
•
•
•
0.156” (3.96mm) contact spacing by 0.200” (5.08mm) row spacing
Accepts 0.062” (1.57mm) nominal thickness P.C. board
Low profile insulator body, 0.473” (12.01mm)
Contact termination options include P.C. tail, wire hole, wire wrap, 90° and 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
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
Contact Rows
Mounting Options
307-044-520-202
Contact Code:
Tail Description:
Tail Size:
Tail Length “G”:
Single Row Contacts - Read One Side of Daughter Board
505
525
527
Insulator Color:
Thermoplastic Polyester, Green
Thermoplastic Polyester, Black
Contact Rows:
Single Row
Dual Row
Description:
Single Row (Single Readout Flush Mounting Lugs)
Dual Row (Dual Readout Flush Mounting Lugs)
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” (8.74mm) Offset Card Guides
In-Line Card Guides
500
520
522
524
540
542
555
556
558
559
560
Wire Hole
P.C. Tail
P.C. Tail
P.C. Tail
Wire Wrap
Wire Wrap
.062 EXTENDER BOARD BEND (CODE 500 CONTACTS)
.062 EXTENDER BOARD BEND (CODE 520 CONTACTS)
90 DEGREE BEND (CODE 522 AND 540 CONTACTS)
90 DEGREE BEND (CODE 522 AND 540 CONTACTS)
.062 EXTENDER BOARD BEND (CODE 522 CONTACTS)
501
521
541
553
554
557
Wire Hole
P.C. Tail
Wire Wrap
90 DEGREE BEND (CODE 521 CONTACTS)
90 DEGREE BEND (CODE 501 CONTACTS)
90 DEGREE BEND (CODE 541 CONTACTS)
Dual Row Contacts - Read Both Sides of Daughter Board
.087 x .013 (2.21 x 0.33)
.046 x .013 (1.17 x 0.33)
.046 x .013 (1.17 x 0.33)
.023 x .013 (0.58 x 0.33)
.046 x .013 (1.17 x 0.33)
.046 x .013 (1.17 x 0.33)
.282 (7.16)
.213 (5.41)
.358 (9.09)
.213 (5.41)
.708 (17.98)
.520 (13.21)
531
545
547
558
559
Wire Hole
P.C. Tail
P.C. Tail
P.C. Tail
Wire Wrap
Wire Wrap
90 DEGREE BEND (CODE 545 CONTACTS)
90 DEGREE BEND (CODE 527 CONTACTS)
Single Row Contacts - Read Both Sides of Daughter Board
.089 x .014 (2.29 x 0.36)
.046 x .014 (1.17 x 0.36)
.046 x .014 (1.17 x 0.36)
.213 (5.41)
.213 (5.41)
.495 (12.57)
.087 x . 013 (2.21 x 0.33)
.046 x .013 (1.17 x 0.33)
.046 x .013 (1.17 x 0.33)
.023 x .013 (0.58 x 0.33)
.046 x .013 (1.17 x 0.33)
.046 x .013 (1.17 x 0.33)
.282 (7.16)
.213 (5.41)
.358 (9.09)
.213 (5.41)
.708 (17.98)
.520 (13.21)
Series:
307
357
Total Number of Contacts:
006, 007, . . . . 044
012, 014, . . . . 088
Contact Rows:
1
2
Mounting Options:
01
02
03
04
07
08
12
58
68
78
Ordering Code Notes:
1) All connector sizes up to 44 contacts single row / 88 contacts dual row are
available upon request.
2) For contacts with overall tin plating, change the first digit of the contact code
from 5 to 4
3) For details of the extender board and 90 degree bends refer to next pages.
4) For details of the mounting options refer to next pages.
www.edac.net
customerservice@edac.net
307/357
SERIES
Card Edge Connectors 0.156” (3.96mm) Pitch
A
B
C
D
IN-CONTACT
POLARIZING KEY
P/N 307-240-328
BETWEEN CONTACT
POLARIZING KEY
P/N 306-240-318
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)
DUAL ROW
CONTACTS
.300 (7.62)
CARD SLOT
.095 (2.41) POINT
OF CONTACT
NUMBERED SIDE
OF CONNECTOR
SINGLE ROW
CONTACTS
READ ONE SIDE
OF DAUGHTER BOARD
.300 (7.62)
CARD SLOT
.125 (3.18) POINT
OF CONTACT
.473 (12.01
.270 (6.86)
G
.048 (1.22) X .125 (3.18)
WIRE HOLE
E
.200 (5.08)
EDAC
1
A
2
3
4
5
6
7
8
J
9 10
K
L
SINGLE ROW
CONTACTS
READ BOTH SIDES
OF DAUGHTER BOARD
.300 (7.62)
CARD SLOT
.175 (4.45) POINT
OF CONTACT
B C D E
F H
.124 (3.15)
PANEL MOUNT PANEL MOUNT CUT OUT
CUT OUT
.380 (9.65)
UP TO 27/54 PIN.200 (5.08)
.535 (13.59)
28/56 PIN & OVER
.136 (3.45) DIA REF
NUMBERED SIDE
OF CONNECTOR
E
( D
MINUS .012 (0.30)
)
+.000(0.38)
-.015
.156 (3.96)
B
.320 (8.13)
.050 (1.27) DIA +.004 (0.10)/-.000
HOLE PATTERN FOR ALL P.C. TAILS
EXCEPT CODES 524 & 531
.031 (0.79) +.004 (0.10)/-.000
CONNECTOR MOUNTING PATTERN
FOR CODE 524 & 531 TAILS
.008 (0.20) DIA
.125 (3.18)
CUT OUT FOR IN-CONTACT
POLARIZING KEY
.055 (1.40)
CUT OUT FOR BETWEEN CONTACT
POLARIZING KEY
RECOMMENDED DAUGHTER BOARD
NUMBER OF CONTACTS
Single
6
8
10
12
15
18
20
22
25
28
30
36
43
44
Double
12
16
20
24
30
36
40
44
50
56
60
72
86
88
Inch
1.842
2.154
2.466
2.778
3.246
3.714
4.026
4.338
4.806
5.274
5.586
6.522
7.614
7.770
"A"
mm
46.79
54.71
62.64
70.56
82.45
94.34
102.26
110.19
122.07
133.96
141.88
165.66
193.40
197.36
Inch
1.532
1.844
2.156
2.468
2.936
3.404
3.716
4.028
4.496
4.964
5.276
6.212
7.304
7.460
"B"
mm
38.91
46.84
54.76
62.69
74.57
86.46
94.39
102.31
114.20
126.09
134.01
157.78
185.52
189.48
Inch
1.246
1.558
1.870
2.182
2.650
3.118
3.430
3.742
4.210
4.678
4.990
5.926
7.018
7.174
"C"
mm
31.65
39.57
47.50
55.42
67.31
79.20
87.12
95.05
106.93
118.82
126.75
150.52
178.26
182.22
Inch
1.100
1.412
1.724
2.036
2.504
2.972
3.284
3.596
4.064
4.532
4.844
5.780
6.872
7.028
"D"
mm
27.94
35.86
43.79
51.71
63.60
75.49
83.41
91.34
103.23
115.11
123.04
146.81
174.55
178.51
Inch
0.780
1.092
1.404
1.716
2.184
2.652
2.964
3.276
3.744
4.212
4.524
5.460
6.552
6.708
"E"
mm
19.81
27.74
35.66
43.59
55.47
67.36
75.29
83.21
95.10
106.98
114.91
138.68
166.42
170.38
www.edac.net
customerservice@edac.net
307/357
SERIES
Card Edge Connectors 0.156” (3.96mm) Pitch
CONTACT
CODE 555
±.015
0.120
±.020
0.245
CONTACT
CODE 556
±.015
0.095
±.020
0.170
CONTACT
CODE 560
CONTACT
CODE 558
±.005
R0.050
±.015
0.062
R0.120~0.180
±.010
0.200
±.025
0.230
CONTACT
CODE 559
±.005
R0.050
±.015
0.060
±.010
R0.180
±.010
0.150
0.150±0.010
.165 (4.19)
A
.125 MIN..210 MAX.
.045 MIN..060 MAX.
BETWEEN TAILS.
.125 MIN..210 MAX.
.045 MIN..060 MAX.
BETWEEN TAILS.
.045 (1.14) TO .060 (1.52)
BETWEEN TAILS
.125 (3.18) TO .210 (5.33)
OUTSIDE TAILS
±.020
0.250
±.020
0.300
VARIATION 01
NO MOUNTING LUG
VARIATION 02
.128±.003 DIA. MOUNTING HOLE
VARIATION 03
.116 +.003 I.D. FLOATING EYELET
-.000
.010 MIN. TOTAL
RADIAL FLOAT
VARIATION 04
VARIATIONS 07 AND 08
+.002 DIA. MOUNTING HOLE
THREADED INSERT
.156
-.000
C
0.128 DIA.
0.005 MIN.
VERTICAL FLOAT
0.116 DIA.
0.156DIA.
M3-0.5 THREADED INSERT OR
4-40 UNC THREADED INSERT
0.476
.125 REF
0.350
.059 REF
.089 REF
1.500
.020
.020
1.500
.020
1.500
#4-40 UNC
THREADED
INSERTS
"B"
.425
MAX
#4-40 UNC
THREADED
INSERTS
"B"
MOUNTING OPTION
CODE #68
.245
MAX
#4-40 UNC
THREADED
INSERTS
"B"
.157
MAX
MOUNTING OPTION
CODE #58
MOUNTING OPTION
CODE #78
www.edac.net
customerservice@edac.net
测评中心专版
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
