306/316/356 SERIES
Card Edge Connector 0.156" (3.96mm) Pitch
FEATURES:
•
•
•
•
•
•
•
•
.156" (3.96mm) Contact Spacing with Single Centreline Row
Accepts .062" (1.57mm) Nominal Thickness P.C. Board
Low Profile Insulator Body, .460" (11.68mm)
Contact Termination Options include P.C. Tail & Wire Hole
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 Withstand 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 Amperes
10 milliohms maximum
1800 VAC rms at sea level between adjacent contacts
5000 Megaohms 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
Mounting Options
306-022-521-178
Series:
306
316
356
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
Ordering Code Notes:
1) All connector sizes up to 43 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) 5) For details of the mounting options refer to next pages.
Total Number of Contacts:
006, 007, . . . . 043
Contact Rows
Centre Row
Contact Code
500
520
521
Wire Hole
P.C. Tail
P.C. Tail
Description & 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)
Tail Length "G"
.282 (7.16)
.213 (5.41)
.125 (3.18)
P/N 338-240-328
P/N 306-240-318
Mounting Options:
101
102
103
104
107
108
112
158
168
178
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
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Page 1
306/316/356 SERIES
Card Edge Connector 0.156" (3.96mm) Pitch
CARD SLOT ACCEPTS
.054 (1.37) TO .070 (1.78)
THICK P.C. BOARD
.343
(8.71)
SIZES 28 PIN AND OVER PROVIDED IN
DIALLYL PHTHALATE OR PHENOLIC
INSULATOR MATERIAL WILL HAVE A
BODY WIDTH OF .500 (12.70)
.156 (3.96)
P/N 338-240-328
.460
(11.68)
.295 (7.49)
CARD SLOT
.250
(6.35)
.165 (4.19)
POINT OF
CONTACT
.047 (1.19) X .125 (3.18)
WIRE HOLE
1
EDAC
2
B
3
C
4
D
5
E
6
F
7
H
8
J
9
K
10
L
11
M
12
N
A
EXPLODED VIEW OF CONTACT RETENSION TWIST
MINUS .012 (0.30)
+.000
-.015 (0.38)
.124 (3.15)
.380 (9.65)
PANEL MOUNT
CUT OUT
.156 (3.96)
.136 (3.45) DIA
.050 (1.27) DIA +.004 (0.10) /-.000
FOR CODE 520 P.C. TAIL
.041 (1.04) DIA +.004 (0.10) /-.000
FOR CODE 521 P.C. TAIL
.008 (0.20) DIA
.125 (3.18)
CUT OUT FOR IN-CONTACT
POLARIZING KEY
.055 (1.40)
.315 (8.00)
CUT OUT FOR BETWEEN CONTACT
POLARIZING KEY
NUMBER OF
CONTACTS
Single
6
8
10
12
15
18
22
25
28
30
36
40
43
"A"
inch
1.842
2.154
2.466
2.778
3.246
3.714
4.338
4.806
5.274
5.586
6.522
7.146
7.614
mm
46.79
54.71
62.64
70.56
82.45
94.34
110.19
122.07
133.96
141.88
165.66
181.51
193.40
Inch
1.532
1.844
2.156
2.468
2.936
3.404
4.028
4.496
4.964
5.276
6.212
6.836
7.304
"B"
mm
38.91
46.84
54.76
62.69
74.57
86.46
102.31
114.20
126.09
134.01
157.78
173.63
185.52
Inch
1.246
1.558
1.87
2.182
2.65
3.118
3.742
4.21
4.678
4.99
5.926
6.55
7.018
"C"
mm
31.65
39.57
47.50
55.42
67.31
79.20
95.05
106.93
118.82
126.75
150.52
166.37
178.26
"D"
306,356
Inch
mm
1.100
27.94
1.412
35.86
1.724
43.79
2.036
51.71
2.504
63.60
2.972
75.49
3.596
91.34
4.064
103.23
4.532
115.11
4.844
123.04
5.780
146.81
6.404
162.66
6.872
174.55
316
Inch
1.080
1.392
1.704
2.016
2.484
2.952
3.576
4.044
4.512
4.824
5.760
6.384
6.852
mm
27.43
35.36
43.28
51.21
63.09
74.98
90.83
102.72
114.60
122.53
146.30
162.15
174.04
Inch
0.780
1.092
1.404
1.716
2.184
2.652
3.276
3.744
4.212
4.524
5.460
6.084
6.552
"E"
mm
19.81
27.74
35.66
43.59
55.47
67.36
83.21
95.10
106.98
114.91
138.68
154.53
166.42
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Page 2
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