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Products/Connectors/3131A/3131B Series Box Header
3131A/3131B Series Box Header
Connectors1.27 mm · Box & ejector headers
Manufacturer: WCON
1.27 mm · Box Header, SMT & DIP

3131A/3131B Series Box Header

3131A/3131B Series box header, 1.27 mm pitch — Box Header, SMT & DIP. Rated 1.0 A, -40°C to +105°C.

Pitch
1.27 mm
Current rating
1.0 A
Operating temp.
-40°C to +105°C
Mounting
SMT & DIP
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Distributed product
Designed and manufactured by WCON — Yueyang is a distributor, not the designer or manufacturer.
Specifications specifications
Current Rating1.0 A
Contact Resistance20mΩ Max
Insulation Resistance1000MΩ Min
Withstand Voltage500V AC/Minute
Operating Temperature-40°C to +105°C
Contact MaterialBrass
Contact PlatingAu or Sn over Ni
Insulator Material3131A PA9T+33%GF UL94V-0 3131B LCP+30%GF UL94V-0
SMT Lead Coplanarity0.10mm max (02-40P) 0.12mm max (40-60P) 0.15mm max (Above 60P)
Mates with2344
UL file no.E248993
Part Numbering Rule
3131A – XX – X – XX – B – K00 – T – X
Positions10,14,16,20,24,26, 30,34,40,44,50,60, 70,80,100; 1.27xNo.of Positions+3.00
Board-MountingR:R/A DIP; S:S/T DIP; M:S/T SMT
Contact plating areaG0: Gold Flash; S0:Gold Flash/Tin; G3:10u" Full Gold S3:10u" Au/Tin; G5:30u" Full Gold S5:30u" Au/Tin
InsulatorNone of Pin; Colour; K00:Full Pin; B:Black; (Standard); 1.27xNo.of Positions+3.00; 1.27xNo.of Positions+0.70
PackagingT:Tube; (Standard); P:Tube+CAP; R:Tape&Reel
Options1:Type 1; 2:Type 2
Part Numbering Rule
3131B – XX – X – XX – B – K00 – T – X
Positions10,14,16,20,24,26, 30,34,40,44,50,60, 70,80,100
Board-MountingS:S/T DIP; M:S/T SMT
Contact plating areaG0: Gold Flash; S0:Gold Flash/Tin; G3:10u" Full Gold S3:10u" Au/Tin; G5:30u" Full Gold S5:30u" Au/Tin; TYPE 2
TYPE 1
InsulatorColour; B:Black; (Standard)
None of PinK00:Full Pin
PackagingT:Tube; (Standard); P:Tube+CAP; R:Tape&Reel
Options1:Type 1; 2:Type 2
Product Model List

5 catalogued part numbers

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3131A/3131B Series Box Header — catalogued part numbers and key parameters
Ordering codeVariant
3131A-XXSGXBK00T1Box Header, SMT & DIP
3131A-XXRGXBK00T1Box Header, SMT & DIP
3131A-XXMGXBK00T1/2Box Header, SMT & DIP
3131A-XXMGXBK00T3Box Header, SMT & DIP
3131B-XXMGXBK00T2Box Header, SMT & DIP

For the complete selection, please contact engineering — more variants, packages and grades are available than listed here.

Contact engineering

Distributed by Yueyang — designed and manufactured by WCON. Specifications, ordering codes and part-numbering rules are transcribed from the connector catalogue; outline drawings and PCB layouts are not reproduced here. For the complete selection, drawings and samples, please contact engineering.

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