| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | Molex |
| Manufacturer Part Number: | Molex 55909-0274 |
| Color: | Black |
| Series: | 55909 |
| Amperage: | .3 A |
| Connector Type: | SlimStack |
| Number of Contacts: | 20 |
| Number of Rows: | 2 |
| Termination Method: | Surface Mount |
| Contact Material: | Brass |
| Body Orientation: | Straight |
| Pitch: | 4 mm |
| Voltage: | 50 V AC/DC |
| Orientation: | Vertical |
| Keying: | No |
| Operating Temperature Range: | -25 - 85 °C |
| Contact Mating Area Plating: | Gold |
| Number of Contacts Loaded: | 20 |
| Mating Cycles: | 30 |
| PCB Locator: | No |
| PCB Retention: | Yes |
| Connector System: | Board to Board |
| Contact Termination Plating: | Gold |
| Glow Wire Capable: | No |
| Lock to Mating Part: | Yes |
| Mated Height: | 1.5 mm, 1.8 mm |
| Mated Width: | 3.4 mm, 4.2 mm |
| Breakaway: | No |
| Make First / Break Last: | No |
| Product Name: | SlimStack |
| Part Aliases: | 0559090274 |
| SKU: | MOL55909-0274 |
55909-0274
Specifications
Detailed Description
Enhance your PCB connectivity with our SlimStack Board to Board Connector. Designed for seamless integration, this connector boasts a sleek black finish and a straight body orientation, ideal for surface mount applications. With 20 gold-plated contacts, it ensures reliable signal transmission at a voltage of 50 V AC/DC, even in challenging environments with an operating temperature range of -25 to 85°C. The slim .4mm pitch and vertical orientation offer versatility in PCB layout, while the secure PCB retention and mated height of 1.5mm provide stability during assembly. RoHS compliant and featuring brass contact material, this connector guarantees both performance and environmental responsibility, making it a standout choice for your electronic projects.
Product Change Notice
| Effective Date | Description of Change | Download | |||
|---|---|---|---|---|---|
| 06/15/2026 | 517485 - Production Transfer. Production location change of 55909 series from Korea to Vietnam. No change in product design and process. | Download | |||
| 11/30/2025 | 517506 - Retraction of PCN 512320. This PCN is issued to retract the previously issued PCN512320 - production location change of 51338 series ,then replace by new PCN 517485. | Download | |||
| 02/01/2023 | 512323 - Equipment Transfer, Production Transfer or Rearrangement. Production plant location change - Current : Molex Korea - After : Molex Vietnam * Change reason : To better serve our customers and to leverage our global manufacturing footprint, Molex will relocate production of the 0.4BTB J-Bend Plug lines from Japan to Molex Vietnam production facility. The transfer will started in Q3 2022 and target to complete in Q1 2023. Buffer stock and capacity tooling will be built as need to ensure a seamless transfer. | Download | |||
| 10/31/2016 | 501415 - Equipment Transfer, Production Transfer or Rearrangement. This letter is to inform you that production of the part(s) identified in this notice is being moved to a different location. No changes will be made to the product as a result of this move. | Download | |||
Availability
In Stock:
Call
Stock Location:
In Stock
Factory Stock:
Call for Stock
Factory Lead:
Call
Unit Of Measure:
Each
Minimum/Multiple:
1/1
Invalid quantity value
Documents & Media
Environmental & Export Classifications
| Attribute | Value |
|---|---|
| RoHS Compliant: | Unkown |
Additional Resources
| Attribute | Value |
|---|---|
| Molex: | 55909-0274 |
| Other Names: | 0559090274 |