--- type: product schema_version: 1 stock_number: "50550-3" canonical_url: "https://www.artisantg.com/50550-3/Infinite-Electronics-90-50203" json_url: "https://www.artisantg.com/50550-3/Infinite-Electronics-90-50203.json" generated_at: "2026-11-07T11:23:35.565Z" last_updated: "2026-11-04T17:00:45.557-06:00" --- # Infinite Electronics / MilesTek 90-50203 MIL-STD-1553B 3-Stub Bus Coupler _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: Infinite Electronics - Model: 90-50203 - Condition: Used and in Excellent Condition - Price: $370.00 USD - Availability: In stock, 8 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 1 lb, estimated - Shipping dimensions: 8X8X3 in, estimated ## Categories - Military and Embedded Equipment > Couplers / Terminators (primary) - Military and Embedded Equipment > ARINC & 1553 ## Details ** Configuration: ** - Transformer Ratio: 1.41:1 - R1-R6 Stub Resistor Value: 59 Ohm, 2W, 1% - Termination: Non-Terminated ## Function Provides electrical coupling interface for MIL-STD-1553B data bus systems with 1.41:1 transformer isolation ratio and integrated 59-ohm stub resistors. Enables connection of up to three remote terminal devices to main data bus while maintaining proper impedance matching and signal integrity. Features non-terminated configuration requiring external termination resistors. Supports bidirectional digital data transmission in military avionics and aerospace applications with electromagnetic isolation between bus segments. ## Images - - - -