| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | Molex |
| Manufacturer Part Number: | Molex 31387-2002 |
| Color: | Gray |
| Series: | 31387 - MX123 |
| Amperage: | 11 A |
| Connector Type: | MX123 |
| Number of Contacts: | 73 |
| Number of Rows: | 4 |
| Termination Method: | Through Hole |
| Contact Material: | Copper Alloy |
| Body Orientation: | Straight |
| Pitch: | 2.54 mm |
| Voltage: | 500 V |
| Material: | Nylon Alloy |
| Orientation: | Vertical |
| Keying: | Yes |
| Tail Length: | 6.5 mm |
| Packaging: | Carton |
| Operating Temperature Range: | -40 - 125 °C |
| Contact Mating Area Plating: | Gold |
| Number of Contacts Loaded: | 73 |
| PCB Locator: | No |
| PCB Retention: | Without |
| Polarized to PCB: | No |
| Polarized to Mate: | Yes |
| Connector System: | Wire to Board |
| Contact Termination Plating: | Tin |
| Termination Pitch: | 2.54 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: | Yes |
| Part Aliases: | 0313872002 |
| SKU: | MOL31387-2002 |
31387-2002
| Heilind Number: | MOL31387-2002 |
| Manufacturer: | Molex |
| Manufacturer Number: | 31387-2002 |
| Datasheet: | Product Specification |
| ECAD Model: |
Description:
2.54mm Pitch, MX123 Header, 73 Circuits Shrouded Assembly, (72) 0.64mm Square Signal Pins + (1) 2.8mm Power Blade, Harness Side Key Code B, Gray (Au Mate Side Finish)
More >>Specifications
Detailed Description
Easily connect wires on your PCB with our MX123 series vertical pin header. With a straight body orientation, 73 contacts loaded in 4 rows, and a 2.54mm pitch, this connector ensures reliable performance. Made with durable nylon alloy and copper alloy contact material, it can handle up to 11A and 500V. Featuring gold plating on the contact mating area, it guarantees excellent conductivity. Polarized for easy mating, with keying and locking mechanisms for added security, this connector is ideal for various industrial applications. RoHS compliant and suitable for operating temperatures ranging from -40 to 125°C, it offers both performance and environmental responsibility. Whether for prototyping or production, this connector is a dependable choice for your PCB assembly needs.
Product Change Notice
| Effective Date | Description of Change | Download | |||
|---|---|---|---|---|---|
| 06/30/2025 | 516260 - Capacity change or tool replacement. Material supplier to Molex Lincoln Nebraska will be adding tooling impacting the product in the attached list. This tooling will be used on material that produces sub components - square pins. There will be no impact to the square pins, or any finished goods produced using the square pins based on the addition of the tooling. | Download | |||
| 12/19/2024 | 516385 - Retraction of 516260. retraction for previously released pcn 516260 communicated on 12/12/24 for "material supplier to molex Lincoln nebraska is qualifying an additional rolling mill tool" retraction due to project listed above not moving forward at this time tool not going to be needed for demand | Download | |||
| 11/11/2022 | 512815 - Change Supplier. This notification is to inform you that one of Molex’s long standing North American supplier of Trays and Lids is filing for bankruptcy causing Molex to have to change our supplier source in order to continue to provide product to our customers. This will be a packaging supplier change only. There will be no change to the Production Process, Fit, Form or Function of the product packaged in these trays and lids. | Download | |||
| 09/09/2022 | 512124 - Change Supplier. This notification is to inform you that a Supplier to Molex Lincoln Nebraska is adding an additional supplier source that will impact the part(s) attached as per list. No changes will be made to product as part of this change. Supplier source to Molex Lincoln Nebraska will be unchanged. | Download | |||
| 08/03/2022 | 512438 - Partial retraction of PCN 512124. reason for partial retraction is that material 80010815 & 80010818 should not have been part of PCN 512124 the other material numbers for 512124 are not affected by this partial retraction | Download | |||
| 07/12/2022 | 512379 - Retraction of PCN 510147. Cancellation of Resin Supplier Change due to constraints. | Download | |||
| 08/01/2014 | GCM 10627818 - Supplier Change. | Download | |||
| 03/14/2014 | GCM 10632966 - To improve the quality of the parts after shipment new tray packaging has been implemented on the MX123 Female Headers series 31386 & 31387. The change in packaging also changes the quantities per shipping box. See table for quantity changes. | Download | |||

