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3M 8420 Series

2 variants · 3M

About the 3M 8420 Series

The 3M 8420 Series series groups 2 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common contact finish - mating of Tin, contact finish - post of Tin and contact finish thickness - mating of 160.0µin (4.06µm). Variants differ by mounting, so you can match the exact mounting your application requires using the selection guide below. All listed 3M 8420 Series part numbers are active and orderable.

Select a variant by

Mounting
Surface Mount · Through Hole

Shared specifications

Contact finish - mating
Tin
Contact finish - post
Tin
Contact finish thickness - mating
160.0µin (4.06µm)
Contact finish thickness - post
160.0µin (4.06µm)
Contact material - mating
Copper Alloy
Contact material - post
Copper Alloy
Current rating
1 A
Features
Closed Frame
Housing material
Polybutylene Terephthalate (PBT), Glass Filled
Material flammability rating
UL94 V-0
Number of positions or pins
20 (4 x 5)
Operating temperature
-40°C ~ 105°C

Variant comparison

Parameter8420-11B1-RK-TP8420-21B1-RK-TP
MountingThrough HoleSurface Mount

Request a quote on any 3M 8420 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants