Screw Connectors for Printed Circuit Boards
TYPE 971-HG (-DS)
5 mm spacing   -   2 to 32 poles
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Closed Back

RoHS WEEE Pb free surface compliant
 
 
Description
 
These blocks have a closed back (-HG designation) to allow the effective use of potting compounds. It can be made with longer pins.

Solid version
Wire entrance perpendicular to PC Board
End-to-end stackable while maintaining the 5 mm spacing.
 
 
Technical Data
 
Center to Center Spacing:  5 mm (0.197 in.)
Nominal Cross Section: 2.5 mm2 (3874 mils2)
Wire Stripping Length: 6.5 mm (0.26 in.)
Recommended Hole Diameter in PC Board: 1.3 mm (0.051 in.)
 
 
 
 
 
Dimensions: mm (in.)
 
Length of Connector (L)
L = No. of Poles x Center to Center Spacing
 
When locating connector, allow 0.5 mm clearance around it for process-induced variations.
 
Approval Information
 
UL File No.E69841
CSA File No.LR24322
 
Rating
Current(A)
Voltage(V)
Application
group
    AWG   
UL 20 300 B,D 26-12
CSA 15 300 B,D,E 22-10

* Version DS is CSA certified for 26-10 AWG.
UL: 24-26 AWG range for factory wiring only.

Screw Tightening Torque:
UL: 4.5 lbfin
CSA: 0.51 Nm
International Approvals:
  

Rated Impulse Withstand Voltage: 2500 V
 
 
Material
 
Version:  2 to 8 poles
Molding:  Polyamide, self extinguishing UL 94, V-0, color grey
Temperature limits:
Short Time:  140°C (284°F)
Continuous:  RTI 105°C (221°F)
Low Limit:  -40°C (-40°F)
Comparative Tracking Index:  CTI≥600V
Oxygen Index Rating:  32%

Version:  9 to 32 poles
Molding:  Polyamide (glass fiber reinforced), self extinguishing UL 94, V-0, color grey
Temperature limits:
Short Time:  200°C (392°F)
Continuous:  RTI 105°C (221°F)
Low Limit:  -40°C (-40°F)
Comparative Tracking Index:  CTI > 175
Oxygen Index Rating:  33%

Terminal Body: Tin plated copper alloy
Wire Protector: Tin plated copper alloy
Screw: M3, Slotted head, zinc plated blue passivated, steel substrate
Solder Pin: Ø 1.0 mm (0.04 in.), Tin plated copper alloy
 
 
 
 
Item 971-HG (-DS)
 
Options   CN: Consecutive Numbering (hot stamped numbers)
SM: Special Marking (please provide sketch)
PS: Zinc plated clear Passivated, steel substrate
WG: Wire Guide
G05: Gold Plating (5 micro inches)
G30: Gold Plating (30 micro inches)
S30: Silver Plating (30 micro inches)
XXMM: Longer solder Pins up to 31.5 mm (1.25 in.)
     Protruding length of pins, in millimeters: 
BS: Copper Alloy Screw
 
Note: Plated component: terminal body
 
 
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  Quantity  

Accessories
BST Self Adhesive Marking Strips. Consecutively numbered.
Jumper, Type 970-J1.
Jumper, Type 970-J2.
 WIRE PROTECTOR:
with: - DS
 POLES:
02 to 32
  971-HG /
 
   2008, WECO Electrical Connectors Inc.ISO 9001 registered quality management system