What are the key features of Molex 55091-0474?

This product belongs to the Board to Board & Mezzanine Connectors category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by Molex with full traceability.

What are the main application scenarios for 55091-0474?

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

How does 55091-0474 work?

This device follows established Board to Board & Mezzanine Connectors design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

What is the technical performance of 55091-0474?

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

What is the current market demand for 55091-0474?

The global Board to Board & Mezzanine Connectors market is growing at ~6-8% CAGR, with particularly strong demand in power management. Molex 55091-0474 is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

What are the technical characteristics of 55091-0474?

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, Molex provides full technical support and reference designs.

55091-0474 Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 6.00 or 12mm Mated Ht., 6.4mm Mated Width, 40 Pos. by Molex

55091-0474 | Molex Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 6.00 or 12mm Mated Ht., 6.4mm Mated Width, 40 Pos.

Category: Board to Board & Mezzanine Connectors

Brand: Molex

Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 6.00 or 12mm Mated Ht., 6.4mm Mated Width, 40 Pos.

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 6.00 or 12mm Mated Ht., 6.4mm Mated Width, 40 Pos.

Technical Parameters

Category	Board to Board & Mezzanine Connectors
Contact Finish	Tin / Gold
Contact Material	Copper Alloy
Data Tier	Family Level
Description	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 6.00 or 12mm Mated Ht., 6.4mm Mated Width, 40 Pos.
Flammability Rating	UL94V-0
Insulation Material	Thermoplastic / Nylon
Manufacturer	Molex
Mounting Type	Through Hole / SMD
Operating Temperature	-40 to +105 C
Packaging	Reel
Product Type	Wire-to-Board / Board-to-Board Connector
RoHS	Compliant
Series	Molex Connector
Standard Pack Qty	1000

Standard Packaging: Standard packaging refers to the minimum packaging quantity obtained from the manufacturer/distributor. Therefore, the minimum order quantity may be less than the manufacturer's standard packaging quantity. When products are broken down into smaller quantities, the packaging type (i.e., reel, tube, tray) may change, subject to actual packaging delivery.

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PCB Footprint (.pcb)

3D Model (.stp)

Schematic Symbol (.sch)

DXF Drawing

55091-0474 Application and Selection Guide

55091-0474 Model and Manufacturer Information

55091-0474, a Board to Board & Mezzanine Connectors manufactured by Molex: 55091-0474 helps you confirm the specific model, while Molex helps you confirm the product source. If you are selecting a part, you can first check whether 55091-0474 meets your requirements, then check whether Molex matches your expectations, and then refer to Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 6.00 or 12mm Mated Ht., 6.4mm Mated Width, 40 Pos. for further evaluation.

55091-0474 Product Parameters and Description

The main parameters of Molex's Board to Board & Mezzanine Connectors product 55091-0474 include Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 6.00 or 12mm Mated Ht., 6.4mm Mated Width, 40 Pos.. This is a Board to Board & Mezzanine Connectors produced by Molex, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

55091-0474 Application and Selection Reference

Molex's Board to Board & Mezzanine Connectors product 55091-0474 has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, 55091-0474 is a Board to Board & Mezzanine Connectors solution worth considering, and manufacturer Molex provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for 55091-0474

Designers looking for 55091-0474 recommended parts can evaluate the following options. 55091-0474 selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
501951-0530	Molex	FFC/FPC Connector,
34825-0160	Molex	Automotive Connectors MINI50 VHDR 16CKT BLK POL A
348302002	Molex

EZKEY can provide 55091-0474 recommended part comparison data and engineering samples for evaluation.