| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | Molex |
| Manufacturer Part Number: | Molex 39-28-1143 |
| Gender: | Male |
| Number of Contacts: | 14 |
| Number of Rows: | 2 |
| Contact Material: | Brass |
| Contact Plating: | Tin |
| Pitch: | 4.2 mm |
| Shrouded: | Yes |
| Flammability Rating: | UL 94V-2 |
| Current Rating: | 9 A |
| Voltage Rating: | 600 V |
| Operating Temperature: | -40 to 105 °C |
| Mounting Angle: | Straight |
| Mounting Type: | Through Hole |
| PCB Connector Type: | PCB Mount Header |
| SKU: | MOL39-28-1143 |
39-28-1143
Specifications
Detailed Description
The Mini-Fit Jr. Vertical Header, part number 39-28-1143, offers a reliable connectivity solution with 14 circuits arranged in a dual row configuration and a 4.20mm pitch. Featuring a straight body orientation and through-hole termination method, this header ensures secure and durable connections on your PCB. With a current rating of 9 A and a voltage tolerance of 600 V, it is suitable for a wide range of applications. Constructed with brass contacts and a nylon housing, it guarantees robust performance even in harsh environments. This header is RoHS compliant and lead-free process capable, making it a sustainable choice for your projects.
Frequently Bought Together
| Product | Part # | Description | Stock |
|---|---|---|---|
| Molex 22-03-2021 | KK 254 Wire-to-Board Header, Single Row, Vertical, 2 Circuits, PA Polyamide Nylon, Tin (Sn) Plating | ![]() |
| Molex 22-28-4060 | KK 254 Breakaway Header, Vertical, 6 Circuits, Tin (Sn) Plating, Mating Pin Length 6.09mm | ![]() |
| Molex 39-01-2020 | Mini-Fit Jr. Receptacle Housing, Dual Row, 2 Circuits, UL 94V-2, Natural | ![]() |
| Molex 39-01-2040 | Mini-Fit Jr. Receptacle Housing, Dual Row, 4 Circuits, UL 94V-2, Natural | ![]() |
| Molex 39-01-4030 | Mini-Fit Jr. Receptacle Housing, Single Row, 3 Circuits, UL 94V-2, Natural | ![]() |
| Molex 39-28-1023 | Mini-Fit Jr. Vertical Header, 4.20mm Pitch, Dual Row, 2 Circuits, without Snap-in Plastic Peg PCB Lock, Tin, Natural | ![]() |
| Molex 39-28-1043 | Mini-Fit Jr. Vertical Header, 4.20mm Pitch, Dual Row, 4 Circuits, without Snap-in Plastic Peg PCB Lock, Tin, Natural | ![]() |
| Molex 39-28-1063 | Mini-Fit Jr. Vertical Header, 4.20mm Pitch, Dual Row, 6 Circuits, without Snap-in Plastic Peg PCB Lock, Tin, Natural | ![]() |
| Molex 39-28-1083 | Mini-Fit Jr. Vertical Header, 4.20mm Pitch, Dual Row, 8 Circuits, without Snap-in Plastic Peg PCB Lock, Tin, Natural | ![]() |
| Molex 39-28-1103 | Mini-Fit Jr. Vertical Header, 4.20mm Pitch, Dual Row, 10 Circuits, without Snap-in Plastic Peg PCB Lock, Tin, Natural | ![]() |
| Molex 39-28-1123 | Mini-Fit Jr. Vertical Header, 4.20mm Pitch, Dual Row, 12 Circuits, without Snap-in Plastic Peg PCB Lock, Tin, Natural | ![]() |
| Molex 39-30-1049 | Mini-Fit Jr. Vertical Header, 4.20mm Pitch, Single Row, 4 Circuits, with Snap-in Plastic Peg PCB Lock, Tin, Natural | ![]() |
| Molex 39-30-1080 | Mini-Fit Jr. Header, Dual Row, Right-Angle, with Snap-in Plastic Peg PCB Lock, 8 Circuits, Nylon 6/6 94V-2, 2.54µm Matte Tin (Sn) Plating, Natural | ![]() |
| Molex 39-30-1120 | Mini-Fit Jr. Header, Dual Row, Right-Angle, with Snap-in Plastic Peg PCB Lock, 12 Circuits, Nylon 6/6 94V-2, 2.54µm Matte Tin (Sn) Plating, Natural | ![]() |
| Molex 43160-1102 | Sabre Right-Angle Header, 7.50mm Pitch, 2 Circuits, Glow-Wire Capable, 3.81mm Tail Length, for 1.60mm PCB, without Board Lock | ![]() |
| Molex 43160-3106 | Sabre Right-Angle Header, 7.50mm Pitch, 6 Circuits, Glow-Wire Capable, 3.81mm Tail Length, for 1.60mm PCB, with Board Lock | ![]() |
| Molex 43255-0137 | 6.35mm Pitch MLX Power Connector Header, 2.13mm Contact Diameter, Vertical, with Plastic Polarizing Peg, 6 Circuits, Polyester 94V-2, Tin Plating, Natural (Translucent), Lead-Free, Natural | ![]() |
| Molex 43650-0315 | Micro-Fit 3.0 Vertical Header, 3.00mm Pitch, Single Row, 3 Circuits, with PCB Polarizing Peg, 1.52µm Matte Tin Plating, Glow-Wire Capable, Black | ![]() |
Product Change Notice
| Effective Date | Description of Change | Download | |||
|---|---|---|---|---|---|
| 11/11/2026 | 518318 - Retraction of PCN 517994. retraction for the original PCN 517994 which omitted certain affected part numbers. To ensure complete transparency and traceability across all impacted products, PCN 517994 has been canceled in its entirety. Implementation will proceed under the schedule specified in PCN 518269. | Download | |||
| 10/26/2026 | 517994 - Equipment/Production Transfer or Rearrangement. PSBU is transferring all Hetero molding ( molds & presses) from Lincoln 3104 to Nogales 3105 over the next 18 months. | Download | |||
| 01/17/2023 | 512182 - Capacity change or tool replacement. Parts listed on this PCN can be assembled and shipped to all customers from Nogales or Shanghai. | Download | |||
| 08/31/2022 | 512388 - Change Supplier. This notification is to inform you about change of supplier impacting the part(s) attached as per list, No changes will be made to product as part of this change. | 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 | |||
| 09/17/2019 | 507327 - Supplier Change. This letter is to inform you that Molex is adding a new supplier or the supplier is making a change affecting the part(s) identified in this notice. There will be no negative impact to product performance as a result of this change. | 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 | |||
| 09/19/2016 | 500695 - 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 | |||
| 01/19/2015 | GCM 10653987 - Supplier Change. | Download | |||


