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CompactFlash Series 300/300 Pro


The Cactus Technologies 303/303 Pro Series Industrial Grade Compact Flash Memory Card
is a SLC NAND based solid-state flash memory device that complies with the CompactFlash
Association ATA standard in the CF Type I form factor. It is available in capacities from
128MBytes to 32GBytes and intended for OEM applications needing a high endurance part
with very good performance or requiring the optional full extended temperature range
of -45C to +90C and/or the Pro features: Special Write Protect, ATA Security, DoD and
Military Purge, Physical Write Protect Switch and Lock Features.

For low power applications, a 303 Series Compact Flash can be configured to have the same power as the 203 Series.

The 303/303 Pro Series Compact Flash comes with full BOM Control, Long Life Cycles
and is built with Stringent Quality Processes. As with our other Industrial Grade products, Cactus Technologies incorporates Industrial Grade ECC, Wear Leveling, Write Abort Protection Circuitry and Defect Management into the 303/303 Pro Series CF, making it the most reliable device available. Custom Labeling, Custom ID and Preloaded Content are available based on customer requirements (see Custom Features).


Specifications   Features


Memory Type

Endurance Cycles

MTBF (Hours)


Standard Temperature

Extended Temperature

Sequential Read

Sequential Write

Shock / Vibration


Pro Feature Set

SMART Features


128MB - 32GB


>2 Million

4 Million

5 Years

0°C to +70°C

-45°C to +90°C



3000G / 30G

Up to Mode 4



  • Industry standard CF Type 1 Form Factor
  • Card capacities 128MB - 32GB
  • Supports True IDE Mode
  • Supports ATA PIO Mode 0-6
  • Support multiword DMA Mode 0-4
  • Supports UDMA Mode 0-4
  • Dual voltage support: 3.3V or 5.0V
  • Unique electronic serial card ID
  • Supports traceability barcode
  • Solid state design with no moving parts
  • Fast data transfer rates
  • High Data Reliability
  • High shock & vibration tolerances
  • Wide operating temperature range


Ordering Info

Industrial Grade CompactFlash series 303: KCxyz-30ab

x = Capacity y = Flag z = Temp. range a = DMA mode b = Revision

128M = 128MB

256M = 256MB

512M = 512MB

1G = 1GB

2G = 2GB

4G = 4GB

8G = 8GB

16G = 16GB

32G = 32GB

F = Fixed

R = Removable

blank = 0°C to +70°C

I = -45°C to +90°C

3 = DMA

4 = Non-DMA 

Blank = Standard Revision

P = Pro Revision

WP = Pro Revision with write protect swich