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Series 120 / 121A 5mm/5.08mm Side Entry Pluggable Socket Connector

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Series 120 / 121A socket connectors have a pin spacing of 5mm (type 120) or 5.08mm (type 121) and are suitable for use with pin headers of various formats.

They are fitted with rising clamp terminals which can be re-used without damage to the conductors or clamping mechanism and are available in 2 to 24 pole lengths.

These connectors are industry standard and will interchange with most other manufacturers equivalent products.

Technical Details

Mouldings: nylon 6.6, grey, UL94 V0
Inserts: brass, tinned
Screws: M3, steel, zinc plated, blue passivated
Wire protectors: bronze, tinned
Current rating: see approvals
Voltage rating: 600v ~ to VDE 0110, pollution degree 2.
Creepage and clearance distance > 3.2mm.
Breakdown voltage 2500v ~
Tracking distance: CTI > 600
Conductor size: 2.5mm2
Temp limits: max short term: 140º C
continuous: RTI 105º C
Pin spacing: series 120: 5mm
series 121: 5.08mm
Screw tightening torque: 0.51 Nm
Wire stripping length: 7mm
Recommended hole dia.
in p.c. board:


Marking: consecutive numbering, lettering or special printing available. Please provide sketch.
Pitch: also available in 10mm/10.16mm pitch, details upon request.

series 120

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