

The 1784-CF128 is a robust industrial CompactFlash memory card from the Allen-Bradley family, engineered to deliver reliable data storage in demanding automation environments. With 128 MB of non-volatile flash memory, this module supports critical functions such as recipe management, alarm logging, and firmware storage for PLCs, HMIs, and motion controllers. Its industrial-grade design ensures consistent performance under extreme temperatures, vibration, and electrical noise, making it a trusted component for continuous process operations. The 1784-CF128 is a drop-in replacement for original equipment, offering seamless integration without additional software or hardware modifications.
| Parameter | Specification |
|---|---|
| Part Number | 1784-CF128 |
| Product Type | Industrial CompactFlash Memory Card |
| Storage Capacity | 128 MB |
| Form Factor | CompactFlash Type I (CF I) |
| Interface | IDE / PATA (Parallel ATA) – 50-pin male connector |
| Data Transfer Rate | Read: Up to 6 MB/s, Write: Up to 4 MB/s (typical) |
| Operating Temperature Range | -40°C to +85°C (-40°F to +185°F) |
| Storage Temperature Range | -55°C to +95°C (-67°F to +203°F) |
| Shock Resistance | 1,000 G / 0.5 ms half-sine (operational) |
| Vibration Resistance | 20 G RMS (20 Hz to 2,000 Hz, operational) |
| Relative Humidity | 5% to 95% non-condensing |
| Endurance | Up to 2,000,000 write/erase cycles per block |
| Mean Time Between Failures (MTBF) | >1,000,000 hours at 25°C |
| Compatibility | Allen-Bradley 1784-series memory modules, ControlLogix, CompactLogix, and other A-B controllers supporting CF cards |
| Certifications | CE, UL, RoHS compliant |
| Weight | Approx. 10 grams (0.35 oz) |
| Dimensions | 36.4 mm x 42.8 mm x 3.3 mm (CF Type I standard) |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22