504077-1891

Right Angle Surface Mount Memory & SIM Card Connector, with Solder Termination

504077-1891 – Right Angle microSD™ Card Connector – Molex

This Molex 504077-1891 surface-mount memory connector provides reliable microSD™ card interfacing in space-constrained designs. Engineered for secure data transfer and easy card insertion/removal, it’s ideal for industrial and embedded applications where durability and consistent performance are critical. PCX ensures authentic Molex components with same-day shipping and dedicated technical support.

Key Features

• Card Compatibility: Secure Digital – microSD™
• Mounting: Surface Mount, Right Angle (0.050″ height)
• Termination: Solder, Gold Contact Finish (8.00µin thickness)
• Positions: 10 (8+2 configuration)
• Operation: Push-In/Pull-Out mechanism with integrated switch
• Packaging: Tape & Reel (TR), Cut Tape (CT)

Technical Details

This right-angle connector features a compact profile with a 1.28mm height above board, optimizing PCB space. The gold-plated contacts ensure corrosion resistance and stable signal integrity. The solder termination supports robust surface-mount assembly (SMT) processes. Note: This part is obsolete but remains available for legacy system maintenance and replacements.

Typical Applications

• Industrial control systems and IoT devices
• Embedded computing modules
• Medical monitoring equipment
• Portable consumer electronics
• Automotive telematics units

About Molex

Molex is a globally recognized leader in electronic connectivity solutions, renowned for innovative engineering and stringent quality standards. With over 80 years of industry expertise, the company specializes in high-reliability connectors for demanding environments, from automotive to aerospace.

Molex components undergo rigorous testing to ensure performance under extreme temperatures, vibrations, and environmental stressors. Their commitment to miniaturization and signal integrity makes them a preferred partner for cutting-edge technology developers worldwide.

About Memory Connectors

Memory connectors facilitate critical data transfer between removable storage media (like microSD cards) and host devices. They ensure secure physical and electrical connections while supporting high-speed data protocols essential for real-time processing in modern electronics.

Selecting the right connector impacts system reliability, especially in rugged applications. Factors like contact material, insertion cycles, and mounting orientation determine longevity. Surface-mount variants like this Molex model enable automated assembly, reducing manufacturing costs for high-volume production.

Packaging Options

Available in Tape & Reel (TR) for automated pick-and-place assembly or Cut Tape (CT) for prototyping/low-volume needs. Confirm reel quantities with PCX prior to bulk orders.

FAQs

Q: Is this connector compatible with microSDHC/microSDXC cards?
A: Yes, it supports all microSD™ form factors including microSDHC and microSDXC.

Q: What’s the operational lifespan?
A: Molex designs these connectors for 10,000+ insertion cycles with proper usage.

Q: Can it withstand industrial temperature ranges?
A: While specific ratings vary, Molex connectors typically operate from -40°C to +85°C. Refer to the datasheet for validation.

Q: Why choose an obsolete part?
A: Ideal for maintaining legacy equipment where design changes are impractical. PCX sources authentic end-of-life stock.

Q: Does the integrated switch detect card insertion?
A: Yes, the built-in switch provides card detection signaling to the host system.

Q: Are lead-free soldering processes supported?
A: Absolutely, the solder terminations comply with RoHS and lead-free reflow profiles.

Product images are representational. Refer to datasheet for exact dimensions.

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Secure remaining stock of this high-performance Molex connector—contact PCX now for pricing and immediate shipment!