--- type: product schema_version: 1 stock_number: "48498-1" canonical_url: "https://www.artisantg.com/48498-1/Tektronix-389-3775-00D" json_url: "https://www.artisantg.com/48498-1/Tektronix-389-3775-00D.json" generated_at: "2026-11-07T12:19:15.846Z" last_updated: "2026-10-14T13:00:51.160-05:00" --- # Tektronix 389-3775-00D Power Board _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: Tektronix - Model: 389-3775-00D - Condition: Used and in Excellent Condition - Price: $340.00 USD - Availability: In stock, 1 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 3 lb, estimated - Shipping dimensions: 12X9X6 in, estimated ## Categories - Test Equipment > Electrical Test > Electrical Parts (primary) ## Details Part Number: 389-3775-00D ## Function Provides regulated DC power distribution and conversion for oscilloscope mainframe operation. Incorporates multiple voltage regulators, filtering capacitors, and power management circuitry to generate stable supply rails from AC mains input. Features overvoltage protection, current limiting, and thermal monitoring. Interfaces with mainframe backplane via multi-pin power connectors delivering +5V, ±15V, and other required voltages. Includes power-on sequencing logic and fault detection circuits. Commonly used in Tektronix TDS/CSA series digital oscilloscopes for primary power supply functions. ## Images - - - -