▸ Product Specifications:
Manufacturer: FANUC
Part Number: A20B-3900-0161
Type: Memory Expansion PCB
Memory: 16MB FROM / 2MB SRAM
Voltage: 5V DC
Compatibility: FANUC 16i / 18i / 21i
Mounting: Plug-in Module
Condition: USED
▸ Key Features:
• High-speed SRAM for rapid data access
• Large FROM capacity for CNC program storage
• Reliable performance in industrial environments
▸ Applications:
• CNC machine upgrades
• Industrial automation systems
• OEM robotic controllers
▸ Alternative Model Numbers:
A20B39000161
A20B-3900-0161/01A
FANUC FROM SRAM Module
▸ Common Misspellings or Phrasing:
A20B39000161
FANUC Memory Card
FANUC Expansion PCB
A20B-3900-161
Last Updated: 09/24/2025 11:27.00 EST
