How do the Molex 3989 Series variants differ?

Molex 3989 Series part numbers differ by clamp material - plating, contact material - plating, current and mating orientation. Use the selection guide above to pick by clamp material - plating.

How many Molex 3989 Series part numbers are listed?

4 Molex 3989 Series part numbers are listed, each with specifications and a datasheet where available.

Molex 3989 Series

4 variants · Molex

About the Molex 3989 Series

The Molex 3989 Series series groups 4 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common color of Black, housing material of Polyamide (PA), Nylon and mounting type of Through Hole. Variants differ by clamp material - plating, contact material - plating and current, so you can match the exact clamp material - plating your application requires using the selection guide below. All listed Molex 3989 Series part numbers are active and orderable.

Select a variant by

Clamp material - plating: Copper - Nickel Plated · Copper Alloy - Nickel Plated
Contact material - plating: Copper - Tin Plated · Copper Alloy - Tin Plated
Current: 13.5 A · 17.5 A
Mating orientation: 35° (145°) Angle with Board · Horizontal with Board
Operating temperature: -40°C ~ 105°C · 105°C
Package: Bulk · Tray
Positions per level: 2 · 3 · 6
Screw material - plating: Copper - Nickel Plated · Copper Alloy - Nickel Plated

Shared specifications

Color: Black
Housing material: Polyamide (PA), Nylon
Mounting type: Through Hole
Number of levels: 1
Pitch: 0.197\" (5.00mm)
Voltage: 300 V

Variant comparison

Parameter	398900303	398900306	398900402	398900403
Clamp material - plating	Copper Alloy - Nickel Plated	Copper Alloy - Nickel Plated	Copper - Nickel Plated	Copper - Nickel Plated
Contact material - plating	Copper Alloy - Tin Plated	Copper Alloy - Tin Plated	Copper - Tin Plated	Copper - Tin Plated
Current	13.5 A	13.5 A	17.5 A	17.5 A
Mating orientation	Horizontal with Board	Horizontal with Board	35° (145°) Angle with Board	35° (145°) Angle with Board
Operating temperature	-40°C ~ 105°C	-40°C ~ 105°C	105°C	105°C
Package	Bulk	Bulk	Tray	Bulk
Positions per level	3	6	2	3
Screw material - plating	Copper Alloy - Nickel Plated	Copper Alloy - Nickel Plated	Copper - Nickel Plated	Copper - Nickel Plated

Request a quote on any Molex 3989 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 3989 Series variants differ?: Molex 3989 Series part numbers differ by clamp material - plating, contact material - plating, current and mating orientation. Use the selection guide above to pick by clamp material - plating.
How many Molex 3989 Series part numbers are listed?: 4 Molex 3989 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Molex 3989 Series?: Request a quote (RFQ) for any Molex 3989 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.