306/316/356 SERIES CARD EDGE CONNECTOR
.156" (3.96mm) Contact Spacing
Example Part Number 306 - 022 - 521 - 178
Series
Total Number of Contacts
Contact Code
Mounting Options
Series
306
316
356
Insulator Colour
Card Slot Length
Green
Standard Length per MIL-C-21097
Green
.020 (0.51) Shorter than Standard
Black
Standard Length per MIL-C-21097
Contact Row
Centre Row
306/316/356 SERIES ORDERING CODE
Total Number of Contacts
1
006, 007,...043
Contact Code
2
Description & Tail Size
Tail Length "G"
Wire Hole.087 x .015 (2.21 x 0.38)
.282 (7.16)
500
P.C. Tail .046 x .015 (1.17 x 0.38)
.213 (5.41)
520
521
P.C. Tail .037 x .015 (0.94 x 0.38)
.125 (3.18)
FEATURES
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306/356 Series CSA Approved and UL Recognized
316 Series UL Recognized
.156 (3.96) Contact Spacing with Single Centreline Row
Accepts .062 (1.57) Nominal Thickness P.C. Board
Low Profile Insulator Body, .460 (11.68)
Contact Termination Options include P.C. Tail & Wire Hole
Large Variety of Mounting Options
Pre-assembled Card Guides Available
Accepts Between Contact and In-Contact Polarizing Keys
Mounting Options
3
101
102
103
104
107
108
158
168
178
Description
No Mounting Lugs
.128 (3.25) Dia. Mounting Holes
.116 (2.95) I.D. Floating Eyelets
.156 (3.96) Dia. Mounting Holes
M3-0.5 Metric Threaded Inserts
#4-40 Unified Threaded Inserts
.468 (11.89) Offset Card Guides
.344 (8.74) Offset Card Guides
In-Line Card Guides
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Insulator Material: Thermoplastic Polyester, UL 94V-0
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Contact Material: Copper, Nickel, Tin Alloy CA-725
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Contact Plating: Gold on the Mating Area, Tin on the
Contact Tails, Nickel Underplate
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Current Rating: 5 Amperes Continuous
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Contact Resistance: 10 Milliohms Maximum
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Dielectric Withstanding Voltage: 1800 V AC rms at Sea Level
Between Adjacent Contacts
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Insulation Resistance: 5000 Megohms Minimum
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Operating Temperature: -65 to +105 Degrees C
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Insertion Force: 16 oz (4.45 N) Maximum per Contact when
Tested with a .070 (1.78) Thick Gauge
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Withdrawal Force: 1 oz (0.28 N) Minimum per Contact when
Tested with a .054 (1.37) Thick Gauge
SPECIFICATIONS
Ordering Code Notes
1) All connector sizes up to 43 contacts centre row are available
upon request.
2) For contacts with overall tin-lead plating, change the first digit
of the contact code from 5 to 4.
3) For details of the mounting options, refer to page 68.
Page 38
Tel: (416) 754 - 3322
MOUNTING OPTIONS - CARD EDGE CONNECTORS
Standard Mounting Details
CODE x01 - NO MOUNTING LUGS
q
Applicable for 303, 305, 306, 307, 310, 315, 316, 317, 321, 325, 327, 333, 336, 337, 338,
340, 341, 342, 345, 346, 355, 356, 357, 379, 384, 387, 391, 392, 395 and 396 Series
CODE x02, x04 & x09 - THROUGH MOUNTING HOLES
Applicable Series
303, 305, 306, 307, 310, 315,
316,321, 333, 337, 338, 340,
341, 345,346, 355, 356, 357,
379, 384, 387,391, 395, 396
317, 323
325
327
336
342, 392
Code x02
"A" Dia.
.128 (3.25)
Code x04
"A" Dia.
.156 (3.96)
Code x09
"A" Dia.
—
.144 (3.66)
—
—
.128 (3.25)
.128(3.25) x
.146 (3.71)
Slot
.156 (3.96)
—
—
.156 (3.96)
.156 (3.96)
—
.160 (4.06)
.163 (4.14)
.178 (4.52)
—
CODE x03 - FLOATING EYELETS
Applicable Series
303, 305, 306, 307, 310, 315, 316,
317, 321, 323, 333, 336, 337, 338,
341, 345, 346, 355, 356, 357, 379,
384, 387, 391, 395, 396
342, 392
"A"
.328 (8.33)
.348 (8.84)
CODE x07 & x08 - THREADED INSERTS
q
Applicable for 303, 305, 306, 307, 310, 315, 316, 317, 321, 323, 325, 333, 336, 337, 338,
341, 342, 345, 346, 356, 357, 379, 384, 387, 391, 392, 395 and 396 Series
q
See Code x12 for Side Mounting Threaded Inserts
CODE x12 - SIDE MOUNTING HOLES
Applicable Series
307, 333, 337, 345, 346, 357, 387,
395, 396
342, 392
"A"
.125 (3.18)
.135 (3.43)
q
Series Listed Above based on Availability of 90 Degree Bend Contact Tails.
Side Mounting Holes may also be Used for Other Card Edge Connectors with a
Lug Height of .250 (6.35) or Greater.
q
For Side Mounting with Threaded Inserts, Specify Code x17 for M3-0.5 Metric
Threads or Code x18 for #4-40 Unified Threads.
Page 68
Tel: (416) 754 - 3322