About this part

0678408001 – 9-Position SD Card Connector with Ejector – Molex

This Molex 0678408001 SD card header provides reliable, high-density memory expansion for embedded systems. Designed for surface-mount assembly, this right-angle connector features an integrated ejector mechanism and gold-plated contacts to ensure durable, low-resistance connections for secure digital (SD) cards. PCX offers guaranteed stock of this specialized interconnect solution, backed by fast shipping and dedicated technical support.

Key Features

• Card Compatibility: Secure Digital (SD) card interface
• Contact Configuration: 11 positions (9 signal + 2 switch)
• Mounting Style: Surface mount, right-angle (0.181″ height)
• Durability: Gold contact finish (31.5µin thickness)
• Operation: Push-in/push-out insertion with ejector
• Current Rating: 0.5A per contact

Technical Specifications

Part of Molex’s 67840 series, this connector integrates a switch for card detection and utilizes an embossed tape design for automated assembly. The solder-tail termination ensures robust PCB mounting, while the compact 4.60mm profile suits space-constrained applications. Note: This part is marked obsolete by the manufacturer but remains available through PCX for legacy designs and repairs.

Typical Applications

• Industrial control systems
• Medical monitoring devices
• Digital cameras and portable recorders
• Embedded computing modules
• Test and measurement equipment

About Molex

Molex is a globally recognized leader in electronic connectivity solutions, with over 80 years of innovation in high-performance interconnects. Their expertise spans automotive, industrial, and consumer markets, renowned for rigorous quality standards and engineering-driven designs that withstand demanding environments.

The company’s commitment to reliability is demonstrated through extensive testing protocols and material science advancements. Molex connectors are trusted by top-tier manufacturers worldwide for critical applications, ensuring consistent signal integrity and long-term durability across diverse operating conditions.

About SD Card Connectors

SD card connectors enable removable storage in compact electronic devices, providing essential data transfer capabilities for firmware updates, media storage, and configuration backups. Their standardized form factor ensures compatibility across millions of consumer and industrial products while offering plug-and-play convenience.

High-quality connectors like this Molex solution feature precision contacts and mechanical retention systems to prevent disconnection during vibration or movement. Surface-mount variants streamline PCB assembly, while gold plating minimizes oxidation for stable electrical performance over thousands of insertion cycles—critical for mission-critical systems.

Packaging Options

Available in Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® formats for prototyping or volume production. Specify your preference when ordering.

FAQs

Q: Is this connector compatible with microSD cards?
A: No, this is designed for standard SD cards only. MicroSD requires an adapter or dedicated socket.

Q: Can PCX provide alternatives since this part is obsolete?
A: Yes! Contact our support team for recommended cross-references or functionally equivalent solutions.

Q: What’s the operating temperature range?
A: Refer to the datasheet for full specifications. (Note: Image shows representative product)

Q: Does it support hot-swapping?
A: Yes, the push-in/push-out mechanism allows safe card insertion/removal during operation.

Q: Are sample quantities available?
A: PCX provides any quantity—from single units to bulk orders—with no minimum purchase.

Q: How does the integrated switch function?
A: It detects card insertion/removal, triggering system notifications or power management functions.

Secure Your Supply Today

Obsolete parts can be challenging to source—order now from PCX for guaranteed authentic Molex connectors with same-day shipping. Ensure production continuity: add to cart or contact our specialists!