| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | Molex |
| Manufacturer Part Number: | Molex 43650-0421 |
| Color: | Black |
| Series: | 43650 |
| Amperage: | 8.5 A |
| Connector Type: | Micro-Fit 3.0 |
| Number of Contacts: | 4 |
| Number of Rows: | 1 |
| Termination Method: | Surface Mount |
| Contact Material: | Brass |
| Body Orientation: | Straight |
| Pitch: | 3 mm |
| Voltage: | 600 V |
| Material: | High Temperature Thermoplastic |
| Orientation: | Vertical |
| Operating Temperature Range: | -40 - 105 °C |
| Contact Mating Area Plating: | Tin |
| Contact Mating Area Plating Thickness: | 2.54 µm |
| Number of Contacts Loaded: | 4 |
| Mating Cycles: | 30 |
| PCB Locator: | Yes |
| PCB Retention: | Yes |
| Polarized to PCB: | Yes |
| Contact Termination Plating Thickness: | 2.540 µm |
| PCB Thickness (Recommended): | 1.6 mm |
| Connector System: | Wire to Board |
| Contact Termination Plating: | Tin |
| Maximum Solder Process Temperature: | 260 °C |
| Lead Free Process Capability: | REFLOW |
| Duration at Max. Process Temperature (seconds): | 030 |
| Max. Cycles at Max. Process Temperature: | 003 |
| Glow Wire Capable: | Yes |
| Mated Height: | 17.27 mm |
| Stackable: | No |
| Breakaway: | No |
| Shroud Type: | Fully |
| Product Name: | Micro-Fit 3.0 |
| Material Flammability Standard: | 94V-0 |
| Part Aliases: | 0436500421 |
| SKU: | MOL43650-0421 |
43650-0421
Specifications
Detailed Description
Enhance your PCB assembly with our Micro-Fit 3.0 Vertical Header. Featuring a 3.00mm pitch, single row design with 4 circuits, this connector ensures secure and efficient connections. The inclusion of a PCB press-fit metal retention clip, along with a tin finish and glow wire capability, guarantees reliability in demanding environments. With an amperage rating of 8.5A and a voltage capacity of 600V, this header is suitable for a wide range of applications. Its high temperature thermoplastic construction, operating temperature range of -40 to 105°C, and compliance with RoHS standards further underline its quality and durability. Whether for wire-to-board connections or PCB pin headers, the Micro-Fit 3.0 is a versatile and essential component.
Product Change Notice
| Effective Date | Description of Change | Download | |||
|---|---|---|---|---|---|
| 04/30/2026 | 517467 - Change Supplier. Due to business decisions, Molex has acquired two new packaging suppliers for two of the most popular packaging options. Change 1 - Tape and reel option: The carrier tape supplier has been updated. Change 2 – Packaging in Tray option: The Tray supplier has been updated. | Download | |||
| 08/05/2025 | 516255 - Change Supplier. Due to existing resin supplier capacity constraint issue we must qualify second resin source to avoid production line down. | Download | |||
| 11/22/2024 | 515106 - Equipment transfer, production transfer rearrangement. Move the tooling molds from Lincoln to Nogales. | Download | |||
| 03/31/2023 | 513478 - Retraction of PCN 512489. This notification is to advise you of a Cancellation to a previously issued PCN. the previous issued PCN 512489 will not be implemented due to disagreement by impacted customers. | Download | |||
| 10/18/2022 | 512326 - Capacity change or tool replacement. This notification is to inform you about set of tooling is being added to meet the current and future demands of this product referenced below. There will be no changes in fit, form or function from additional tooling when compared to the existing tooling | Download | |||
| 10/10/2022 | 512489 - 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 change LCP resin supplier but the resin LCP black is not changed before: Celanese LCP After: Kingfa LCP | Download | |||
| 05/06/2015 | GCM 10664055 - Manufacturing Process Change. | Download | |||

