Description
IBM 25F7206 DC Cooling Fan Assembly for 3174 Controller ECA78235B
The IBM 25F7206 is an OEM DC cooling fan assembly designed for use in the IBM 3174 Establishment Controller (DC Type). It consists of a chassis-mounted axial fan enclosed in a wire guard cage, with a 4-pin red power connector and mounting tabs for integration into the 3174 system chassis. The part is date-stamped October 1989 and carries the ECO/revision code ECA78235B.
Specifications & What's Included
- Manufacturer Part Number: 25F7206
- ECO / Revision Code: ECA78235B
- Designed For: IBM 3174 Establishment Controller (DC Type)
- Fan Type: Axial DC cooling fan
- Power Connector: 4-pin red connector (visible on bottom edge of chassis)
- Enclosure: Metal chassis with wire guard cage
- Date Code: T OCT 18 89 (October 18, 1989)
- Mounting: Chassis-mount with integrated mounting tabs
Applications
The IBM 3174 Establishment Controller was IBM's primary cluster controller for connecting 3270-family terminals and workstations to IBM mainframe systems during the late 1980s and early 1990s. It served as the communication hub between dumb terminals and the mainframe host, supporting both local and remote configurations via SNA (Systems Network Architecture). The DC-type 3174 required dedicated internal cooling to maintain reliable operation across its card cage and power subsystems. Replacement cooling fans like the 25F7206 are sought today by organizations still operating legacy 3174-based mainframe terminal networks, as well as collectors and technicians restoring or maintaining vintage IBM SNA infrastructure. The 3174 family also saw use in IBM AS/400 and S/370 environments as a downstream cluster controller.
This IBM 25F7206 DC cooling fan assembly for the IBM 3174 Controller has been inspected and shows surface rust on the wire guard cage, which is visible in the photos. The fan motor and chassis appear intact. The 4-pin red power connector is present and shows no obvious damage. This part was manufactured in October 1989 per the date stamp on the chassis. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
Warranty Information
Additional Information
Brand: |
IBM |
Model: |
25F7206 |
MPN: |
25F7206 |
Secondary Model: |
ECA78235B |
Type: |
DC Cooling Fan Assembly |
SKU: |
14286 |
Compatible With: |
IBM 3174 Establishment Controller (DC Type) |
Connector Type: |
4-Pin Red Connector |
Form Factor: |
Module / Chassis-Mount |
Country/Region of Manufacture: |
United States |
Seller Notes: |
Fan assembly only. Surface rust on wire guard cage. |
Condition: |
Used – Inspected |
Condition Notes: |
IBM 25F7206 DC fan assembly for IBM 3174. Inspected; surface rust on wire guard cage. Fan motor and chassis intact. 4-pin red connector present. Manufactured Oct 1989. |
California Prop 65 Warning: |
WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov |