What are the key features of Molex 71661-2540?

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 71661-2540?

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 71661-2540 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 71661-2540?

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 71661-2540?

The global Board to Board & Mezzanine Connectors market is growing at ~6-8% CAGR, with particularly strong demand in power management. Molex 71661-2540 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 71661-2540?

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.

71661-2540 Board to Board & Mezzanine Connectors 1.27mm Pit. EBBI 50D Plug, R/A, Blind Mate, 40 Pos., 2.79mm PC Tail Lg. by Molex

71661-2540 | Molex Board to Board & Mezzanine Connectors 1.27mm Pit. EBBI 50D Plug, R/A, Blind Mate, 40 Pos., 2.79mm PC Tail Lg.

Category: Board to Board & Mezzanine Connectors

Brand: Molex

Board to Board & Mezzanine Connectors 1.27mm Pit. EBBI 50D Plug, R/A, Blind Mate, 40 Pos., 2.79mm PC Tail Lg.

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: Board to Board & Mezzanine Connectors 1.27mm Pit. EBBI 50D Plug, R/A, Blind Mate, 40 Pos., 2.79mm PC Tail Lg.

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 1.27mm Pit. EBBI 50D Plug, R/A, Blind Mate, 40 Pos., 2.79mm PC Tail Lg.
Flammability Rating	UL94V-0
Insulation Material	Thermoplastic / Nylon
Manufacturer	Molex
Mounting Type	Through Hole / SMD
Operating Temperature	-40 to +105 C
Packaging	Tray
Product Type	Wire-to-Board / Board-to-Board Connector
RoHS	Compliant
Series	Molex Connector
Standard Pack Qty	384

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

71661-2540 Application and Selection Guide

71661-2540 Model and Manufacturer Information

71661-2540, a Board to Board & Mezzanine Connectors manufactured by Molex: 71661-2540 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 71661-2540 meets your requirements, then check whether Molex matches your expectations, and then refer to Board to Board & Mezzanine Connectors 1.27mm Pit. EBBI 50D Plug, R/A, Blind Mate, 40 Pos., 2.79mm PC Tail Lg. for further evaluation.

71661-2540 Product Parameters and Description

The main parameters of Molex's Board to Board & Mezzanine Connectors product 71661-2540 include Board to Board & Mezzanine Connectors 1.27mm Pit. EBBI 50D Plug, R/A, Blind Mate, 40 Pos., 2.79mm PC Tail Lg.. 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.

71661-2540 Application and Selection Reference

Molex's Board to Board & Mezzanine Connectors product 71661-2540 has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, 71661-2540 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 71661-2540

Designers looking for 71661-2540 recommended parts can evaluate the following options. 71661-2540 selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
505433-1671	Molex	Headers & Wire Housings MicroLockPlus 1.25MM VRT HDR DR 16CKT BLK RoHS: Compliant
503480-1400	molex	Card Edge Connector, 14 Contact(s), 1 Row(s), Right Angle, 0.02 inch Pitch, Surface Mount Terminal, Locking, White Insulator
2002411113	Molex	Rectangular Power Connector, 3 Contact(s), Male, Solder Terminal,

EZKEY can provide 71661-2540 recommended part comparison data and engineering samples for evaluation.