What is the Samsung KLMDG4UCTB-B041?

It is a 128GB eMMC 5.1 managed NAND flash device from Samsung in a 153-ball FBGA package. It combines NAND flash memory with an integrated controller that handles wear leveling, ECC, and bad block management, presenting itself to the host as a simple block storage device.

What is the storage capacity and package of the KLMDG4UCTB-B041?

It provides 128GB of storage in a 153-ball FBGA package measuring 11.5 x 13 mm.

What eMMC version and interface speed does it support?

It is compliant with the JEDEC eMMC 5.1 standard and supports the HS400 interface, with sequential read speeds up to 320 MB/s and sequential write speeds up to 200 MB/s.

What are the operating voltage and temperature ranges?

The device operates with a NAND core voltage of 3.3V/1.8V and a controller (VCCQ) voltage of 1.7V to 1.95V, over an operating temperature range of -25 C to +85 C.

Is the KLMDG4UCTB-B041 hard to find?

Yes. This eMMC part has limited authorized-distributor availability. Pacific Component Xchange stocks hard-to-find memory like this and offers it on a request-for-quote (RFQ) basis with worldwide shipping and authenticity assurance.

How do I get pricing for the KLMDG4UCTB-B041?

Pricing is provided by quote. Submit an RFQ to Pacific Component Xchange and our team will respond with current availability, lead time, and pricing.

KLMDG4UCTB-B041 – eMMC 5.1 – Samsung

The Samsung KLMDG4UCTB-B041 is a 128GB eMMC 5.1 managed NAND flash device in a 153-ball FBGA package, combining NAND flash and an integrated controller for embedded and mobile storage applications.

Brand:Samsung

SKU: KLMDG4UCTB-B041 Categories: Electronic Parts, RFQ

Please contact us or add to quote for current pricing and availability.

The Samsung KLMDG4UCTB-B041 is a 128GB embedded MultiMediaCard (eMMC) device built to the JEDEC eMMC 5.1 standard. It integrates Samsung NAND flash memory together with an on-die managed controller in a single 153-ball FBGA package, handling wear leveling, bad block management, and ECC internally so the host system can address it as a simple block storage device. This makes it a popular embedded storage choice for space-constrained mobile and consumer designs.

Key Features

Density: 128GB (128 gigabytes) managed NAND
Interface: eMMC 5.1 (JEDEC compliant), HS400 supported
Package: 153-ball FBGA, 11.5 x 13 mm footprint
Dual voltage: NAND core 3.3V / 1.8V, controller (VCCQ) 1.7V to 1.95V
Operating temperature range: -25 C to +85 C
Sequential read up to 320 MB/s; sequential write up to 200 MB/s
Integrated wear leveling, bad block management, ECC, hardware reset, and secure write protection

Applications

Smartphones, tablets, and other mobile intelligent terminals
Consumer electronics and portable media devices
IoT and smart home devices
Industrial and embedded control systems
Automotive infotainment and connected systems
Networking and set-top box equipment

Why Source KLMDG4UCTB-B041 from Pacific Component Xchange

The KLMDG4UCTB-B041 is a hard-to-find managed NAND device with limited authorized-distributor availability. As an independent distributor specializing in hard-to-find and obsolete memory, Pacific Component Xchange maintains stock of scarce eMMC parts like this one to keep your production and service lines running. Every order is backed by our authenticity and quality-assurance process, and we ship worldwide to support both production builds and end-of-life sustainment needs. Request a quote (RFQ) for KLMDG4UCTB-B041 today and our team will respond with current availability, lead time, and pricing.

Additional Information

Manufacturer	Samsung
Component Type	eMMC 5.1 (Managed NAND)
Density	128GB
Organization	Managed NAND + integrated controller (block storage)
Package	153-ball FBGA, 11.5 x 13 mm
Interface / Speed	eMMC 5.1, HS400; up to 320 MB/s read, 200 MB/s write
Supply Voltage	VCC 3.3V/1.8V (NAND), VCCQ 1.7V-1.95V (controller)
Temp Range	-25 C to +85 C
Part Status	Active
Availability	Available