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USB Flash Drives

Image Part Number Description / PDF Quantity Rfq
CS0357BM

CS0357BM

USB

0
APHA002GAG0EG-2T

APHA002GAG0EG-2T

Apacer

USB FLASH DRV 2GB SLC USB2.0/3.0

0
CY7C68013A-100AXIKJ

CY7C68013A-100AXIKJ

USB

857
FUUP032G-U3F

FUUP032G-U3F

Flexxon

USB PEN DRIVE 3.0 32GB

0
SFU22048E3BP2TO-C-MS-121-STD

SFU22048E3BP2TO-C-MS-121-STD

Swissbit

USB FLASH DRIVE 2GB SLC USB 2.0

0
SFU3008GC2AE1TO-I-GE-1AP-STD

SFU3008GC2AE1TO-I-GE-1AP-STD

Swissbit

INDUSTRIAL USB FLASH DRIVE, U-56

0
APHA512MAG0EG-2T

APHA512MAG0EG-2T

Apacer

USB FLASH DRV 512MB SLC 2.0/3.0

0
CS6157AT

CS6157AT

USB

0
AF8GUFNDNC(I)-OEM

AF8GUFNDNC(I)-OEM

ATP Electronics, Inc.

USB FLASH DRIVE 8GB SLC USB 2.0

0
APHA256MAG0CG-2T

APHA256MAG0CG-2T

Apacer

USB FLASH DRV 256MB SLC 2.0/3.0

0
USB3FTVKEY6A16GAPA

USB3FTVKEY6A16GAPA

Socapex (Amphenol Pcd)

USB FLASH DRIVE 16GB MLC 2.0/3.0

0
APHA032GR23CG-CM

APHA032GR23CG-CM

Apacer

USB FLASH DRIVE 32GB MLC USB 2.0

0
APHA016GR23CG-CM

APHA016GR23CG-CM

Apacer

USB FLASH DRIVE 16GB MLC USB 2.0

97
APHA016GAG0CG-2T

APHA016GAG0CG-2T

Apacer

USB FLASH DRIVE 16GB SLC 2.0/3.0

0
APHA004GAG0EG-2T

APHA004GAG0EG-2T

Apacer

USB FLASH DRV 4GB SLC USB2.0/3.0

0
CY7C68014A-100AXCKJ

CY7C68014A-100AXCKJ

USB

664
CP3228AM

CP3228AM

USB

0
FUUP016GBC-1300

FUUP016GBC-1300

Flexxon

AES SECURE USB PEN DRIVE 3.0 16G

0
APHA032GAG0CG-2T

APHA032GAG0CG-2T

Apacer

USB FLASH DRIVE 32GB SLC 2.0/3.0

0
U408TQJGR-XN000-D

U408TQJGR-XN000-D

8GB SLC USB 3.1 DRIVE STANDARD 6

0

USB Flash Drives

1. Overview

Memory cards and USB flash drives are portable semiconductor storage devices utilizing NAND flash memory technology. Memory cards (SD, microSD, CF, etc.) serve as removable storage for compact electronics, while USB flash drives combine flash memory with USB interfaces for plug-and-play data transfer. These devices have become critical components in digital data management, enabling rapid information exchange across consumer electronics, industrial equipment, and enterprise systems.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
SD Card (Secure Digital)Standard size, 4-bit parallel interface, SDXC support up to 2TBDigital cameras, laptops, game consoles
microSD CardSmallest form factor, supports UHS-II with 312MB/s speedsSmartphones, drones, action cameras
CF Card (CompactFlash)IDE/CFast 2.0 interface, durable mechanical designProfessional DSLR cameras, industrial PCs
USB 3.2 Flash DriveBackward compatible, theoretical speeds up to 20GbpsComputer data transfer, OS boot drives
USB-C Flash DriveReversible connector, supports USB Power DeliveryModern smartphones, tablets, MacBooks

3. Structure and Components

Typical components include:

  • Controller Chip: Manages data storage/retrieval, wear leveling, and error correction
  • NAND Flash Memory: Storage medium with MLC/TLC/3D NAND architectures
  • Interface Contacts: Gold-plated USB Type-A/Type-C or SD card connectors
  • Protective Housing: Plastic/metal casing with ESD protection
  • Write Protection Switch: Mechanical lock on SD cards to prevent data modification

4. Key Technical Specifications

ParameterDescriptionImportance
Storage Capacity128MB - 1TB (varies by type)Determines data volume handling capability
Read/Write Speeds10MB/s - 1000MB/s (varies by interface)Affects file transfer efficiency
Interface StandardUSB 3.2 Gen 2x2, UHS-II SD, PCIe NVMeDefines compatibility and bandwidth limits
Durability10,000+ insertion cycles, 10-year data retentionImpacts long-term reliability
Operating Temperature-25 C to +85 C (industrial grade)Critical for harsh environment applications

5. Application Fields

  • Consumer Electronics: Smartphones (microSD), digital cameras (SD), gaming devices
  • Industrial Equipment: CNC machines (CFast), embedded systems (industrial USB drives)
  • Medical Devices: Diagnostic equipment data logging (ruggedized SD cards)
  • Automotive: Dashcams (A1-rated microSD), infotainment systems
  • Enterprise IT: Encrypted USB drives for secure data transport

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
SanDiskExtreme Pro microSDXC170MB/s write speed, 4K video recording
KingstonCanvas React Plus SDXC100MB/s minimum write speed for DSLRs
SamsungBAR Plus USB Flash Drive420MB/s read speed, IP66 waterproof rating
LexarProfessional 1066x CFastCFast 2.0 interface with 533MB/s speed
PNYElite-X Pro USB-C420MB/s transfer rates with USB 3.2 Gen 1

7. Selection Recommendations

Key selection criteria:

  • Match interface type (USB-C/Type-A, SD/microSD) with target device
  • Select speed class (UHS Speed Class 1/3, Video Speed Class) based on usage
  • Consider environmental factors (temperature, shock resistance)
  • Choose appropriate capacity with 20% overhead for system files
  • Verify endurance rating (P/E cycles) for frequent write operations

8. Industry Trend Analysis

Current development trends include:

  • Transition to 3D NAND architecture for higher density (1TB+ microSD)
  • Adoption of NVMe protocol in USB drives (PCIe Gen 4x2 interface)
  • Integration of biometric security features (fingerprint encryption)
  • Emergence of USB4 compatibility with 40Gbps speeds
  • Development of industrial-grade modules with extended temperature ranges (-40 C to +85 C)
  • Growing use of eco-friendly manufacturing processes and recyclable materials
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