39-31-0020

Heilind Number:	MOL39-31-0020
Manufacturer:	Molex
Manufacturer Number:	39-31-0020
Datasheet:	Application Specification
ECAD Model:

Description:

Mini-Fit Jr. Vertical Header, 4.20mm Pitch, Dual Row, 2 Circuits, without Snap-in Plastic Peg PCB Lock, Tin, Natural

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Specifications

Attribute	Value
Product Category:	PC Board Pin & Receptacle Connectors PCB Pin Headers
Manufacturer:	Molex
Manufacturer Part Number:	Molex 39-31-0020
Color:	Natural
Series:	5566 - Mini-Fit Jr.
Amperage:	9 A
Connector Type:	Mini-Fit Jr.
Number of Contacts:	2
Number of Rows:	2
Termination Method:	Through Hole
Contact Material:	Brass
Body Orientation:	Straight
Pitch:	4.2 mm
Voltage:	600 V
Material:	Nylon
Orientation:	Vertical
Keying:	No
Tail Length:	3.5 mm
Operating Temperature Range:	-40 - 105 °C
Contact Mating Area Plating:	Tin
Contact Mating Area Plating Thickness:	.889 µm
Number of Contacts Loaded:	2
Mating Cycles:	30
PCB Locator:	Yes
PCB Retention:	Without
Polarized to PCB:	Yes
Contact Termination Plating Thickness:	.889 µm
Polarized to Mate:	Yes
PCB Thickness (Recommended):	1.6 mm
Connector System:	Wire to Board
Contact Termination Plating:	Tin
Maximum Solder Process Temperature:	240 °C
Lead Free Process Capability:	WAVE
Duration at Max. Process Temperature (seconds):	005
Max. Cycles at Max. Process Temperature:	001
Termination Pitch:	4.2 mm
Glow Wire Capable:	No
Guide to Mating Part:	No
Lock to Mating Part:	Yes
Stackable:	No
Surface Mount Compatible:	No
Breakaway:	No
Make First / Break Last:	No
Shroud Type:	Fully
Material Flammability Standard:	94V-0
Part Aliases:	0039310020 5566-02B-210
SKU:	MOL39-31-0020

Detailed Description

The 39-31-0020 is a Mini-Fit Jr. Vertical Header designed for reliable wire-to-board connections in electronic applications. With a 4.20mm pitch and dual-row configuration, this connector ensures efficient power and signal transmission. Featuring 2 circuits and a straight body orientation, it is suitable for space-constrained designs. The termination method is through hole, with brass contacts and tin plating for enhanced conductivity. With a voltage rating of 600V and an amperage of 9A, this connector offers robust performance. Its nylon housing and natural color provide durability and easy identification. RoHS compliant and lead-free solder capable, the 39-31-0020 meets industry standards for environmental responsibility. Perfect for high-speed and high-power applications, this connector guarantees secure and durable board-level connections.

Frequently Bought Together

Product	Part #	Description	Stock
	Molex 22-03-5035	2.50mm Pitch SPOX Wire-to-Board Header, Vertical, Shrouded, 3 Circuits, Tin (Sn) Plating
	Molex 22-03-5065	2.50mm Pitch SPOX Wire-to-Board Header, Vertical, Shrouded, 6 Circuits, Tin (Sn) Plating
	Molex 22-11-2022	KK 254 Solid Header, Vertical, with Friction Lock, 2 Circuits, Gold (Au) Plating
	Molex 22-11-2072	KK 254 Solid Header, Vertical, with Friction Lock, 7 Circuits, Gold (Au) Plating
	Molex 35362-0550	2.00mm Pitch Sherlock Wire-to-Board Header, Vertical, with Positive Lock, 5 Circuits, with Kinked PC Tails, Natural
	Molex 39-29-9102	Mini-Fit Jr. Vertical Header, 4.20mm Pitch, Dual Row, 10 Circuits, with Snap-in Plastic Peg PCB Lock, Tin, Natural
	Molex 39-30-2040	Mini-Fit Jr. Vertical Header, 4.20mm Pitch, Single Row, 4 Circuits, with Snap-in Plastic Peg PCB Lock, Tin, Natural
	Molex 39-31-0040	Mini-Fit Jr. Vertical Header, 4.20mm Pitch, Dual Row, 4 Circuits, without Snap-in Plastic Peg PCB Lock, Tin, Natural
	Molex 50-37-5033	2.50mm Pitch Mini-SPOX Wire-to-Board Crimp Housing, Friction Lock, 3 Circuits, Natural
	Molex 50-37-5063	2.50mm Pitch Mini-SPOX Wire-to-Board Crimp Housing, Friction Lock, 6 Circuits, Natural
	Molex 70545-0036	2.54mm Pitch SL Header, Single Row 3.05mm Pocket Vertical, Shrouded, with Press-fit Plastic Peg, 2 Circuits, 0.38

Product Change Notice

Effective Date	Description of Change	Download
08/17/2022	511610 - Change to product. currently vertical header housings have drain hole and non-drain hole version housing. the drain holes are no longer needed they were used in the past when PCB boards were being washed and are no longer needed. therefore we are eliminating the drain hole option going forward	Download
07/18/2022	510809 - Change to product. current vertical header housings have a drain hole and non-drain hole version housing the drain holes are no longer needed (they were used in the past when PCB boards were being washed and are no longer needed) therefore we are eliminating the drain hole option going forward	Download
02/14/2022	511607 - Retraction of PCN 510948. This PCN is a retraction/ recall of PCN 510809 communicated on 1/18/22 for "current vertical header housings have a drain hole and non-drain hole version housing the drain holes are no longer needed (they were used in the past when PCB boards were being washed and are no longer needed) therefore we are eliminating the drain hole option going forward." the reason for retraction is that part numbers that did not contain the drain hole option were included in the impacted parts list used to create pcn 510809 a new pcn will be created and customers will be notified	Download
12/24/2018	506262 - Capacity Change or Tool Replacement. This letter is to inform you that another set of tooling is being added to meet the current and future demands of this product. There will be no changes in the fit, form or function from the additional tooling when compared to the current tooling.	Download
02/01/2016	GCM 10708360 - Supplier Change. Molex will be changing the pre-plated flat stock, and adding an additional supplier. This change only affects parts made in Lincoln (3104) and Nogales (3105). The current pre-plated flat stock will change from bright tin over copper to reflowed tin over copper plating. In addition, we will also be changing the post plated terminal used in the 5566, 30069, & 43588 vertical headers to the same pre-plated reflowed tin over copper plating. If post plated headers are desired, alternative part numbers are available with matte tin over nickel plating.	Download
07/15/2015	GCM 10673768 - New, Modified, Or Replacement Tooling.	Download