Insulator Material
UL 94V-0 Thermoplastic Polyester
Contact Material
Contact Plating
Gold Plating on mating area and Tin Plating on tails with Nickel underplating all over
Current Rating
Contact Resistance
Dielectric Withstand Voltage
1800 VAC rms at sea level between adjacent contacts
Withdrawal Force
1oz (0.28N) minimum per contact pair when tested with .054" (1.37mm) thick gauge
Insulation Resistance
Operating Temperature
Insertion Force
16oz (4.45N) maximum per contact pair when tested with .070" (1.78mm) thick gauge
305/315/355 SERIES
Card Edge Connector 0.156" (3.96mm) Pitch
www.edac.net
FEATURES:
• .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
• RoHS Compliant & UL Recognize
Specifications:
Series
Total Number of Contacts
Contact Code
Example Part Number:
Mounting Options
Insulator Style
305-056-521-202
Total Number of Contacts: Contact Rows
012, 014, . . . . 086 Dual Row
Series: Insulator Color Card Slot Length
305 Green Standard Length per MIL-C-21097
315 Green .020"(0.51mm) Shorter than Standard
355 Black Standard Length per MIL-C-21097
Insulator Style Description
2 .295 (7.49) Card Slot Depth
5 .330 (8.38) Card Slot Depth
Contact Code Description & Tail Size Tail Length "G"
500 Wire Hole .087 x .013 (2.21 x 0.33) .282 (7.16)
520 P.C. Tail .046 x .013 (1.17 x 0.33) .213 (5.41)
521 P.C. Tail .046 x .013 (1.17 x 0.33) .125 (3.18)
555 EXTENDER BOARD BEND (Code 500 Contacts)
556 EXTENDER BOARD BEND (Code 520 Contacts)
Mounting Options: Description
01 No Mounting Lug
02 Ø.128" (Ø3.25mm) Mounting Holes
03 Ø.116" (Ø2.95mm) I.D. Floating Eyelets
04 Ø.156" (Ø3.96mm) Mounting Holes
07 M3-0.5 Metric Threaded Inserts
08 #4-40 Unified Threaded Inserts
12 Ø.128" (Ø3.25mm) Side Mounting Holes
58 .468" (11.89mm) Offset Card Guides
68 .344 (8.74) Offset Card Guides
78 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.
POLARIZING KEY
BETWEEN CONTACT
P/N 307-240-328
IN-CONTACT
POLARIZING KEY
P/N 306-240-318