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Molex 3866 Series

5 variants · Molex

About the Molex 3866 Series

The Molex 3866 Series series groups 5 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common barrier type of 3 Wall (Tri), bottom termination of PC Pin and color of Black. Variants differ by number of circuits, number of wire entries and package, so you can match the exact number of circuits your application requires using the selection guide below. All listed Molex 3866 Series part numbers are active and orderable.

Select a variant by

Number of circuits
2 · 4 · 5 · 6 · 7
Number of wire entries
2 · 4 · 5 · 6 · 7
Package
Bulk · Tray

Shared specifications

Barrier type
3 Wall (Tri)
Bottom termination
PC Pin
Color
Black
Current rating
45A
Material - insulation
Polybutylene Terephthalate (PBT)
Mounting type
Through Hole
Operating temperature
-40°C ~ 110°C
Pitch
0.500\" (12.70mm)
Rows
1
Terminal block type
Barrier Block
Terminal screw finish
Zinc, Yellow Chromate
Terminal screw material
Steel

Variant comparison

Parameter386608802386608804386608805386608806386608807
Number of circuits24567
Number of wire entries24567
PackageBulkBulkBulkTrayBulk

Request a quote on any Molex 3866 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the Molex 3866 Series variants differ?
Molex 3866 Series part numbers differ by number of circuits, number of wire entries and package. Use the selection guide above to pick by number of circuits.
How many Molex 3866 Series part numbers are listed?
5 Molex 3866 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Molex 3866 Series?
Request a quote (RFQ) for any Molex 3866 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants