The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-00-428-2971, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Acme Electric Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-428-2971 |
| Primary Part Number | A2-61770 |
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | Acme Electric Corp |
| Status | ACTIVE |
| Thread Series Designator | UNF |
| Semiconductor Material | SILICON |
| Mounting Method | THREADED STUD(S) |
| Features Provided | HERMETICALLY SEALED CASE |
| Nominal Thread Size | 0.500 INCHES IN |
| Power Rating Per Characteristic | 500.0 MILLIWATTS MAXIMUM PEAK GATE POWER DISSIPATION |
| Current Rating Per Characteristic | 1000.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE |
| Maximum Operating Temp Per Measurement Point | 125.0 CELSIUS AMBIENT AIR DEGC |
| Terminal Type and Quantity | 1 THREADED STUD AND 2 TAB, SOLDER LUG |
| Overall Width Across Flats | 1.062 INCHES NOMINAL IN |
| Internal Configuration | JUNCTION CONTACT |
| Voltage Rating in Volts Per Characteristic | 50.0 MAXIMUM BREAKOVER VOLTAGE, DC |
| Mounting Facility Quantity | 1 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5961-00-428-2971 is a Semiconductor Device,thyristor, manufactured by Acme Electric Corp, classified under FSC 5961 (No Item Name Available). Status: active.
NSN 5961-00-428-2971 has 3 cross-referenced part numbers: A2-61770 (Acme Electric Corp), 2N1792 (Westinghouse Electric Corp Semiconductor Div), 2N1792 (General Electric Co Semi-Conductor Products Dept Power Components Opn).
There are 2 known substitutes for 5961-00-428-2971: 5961-00-324-3211, 5961-01-031-7279. Verify interchangeability with system specifications before substitution.
Key specifications for A2-61770: Thread Series Designator: UNF; Semiconductor Material: SILICON; Mounting Method: THREADED STUD(S); Features Provided: HERMETICALLY SEALED CASE. 15 total characteristics are documented in the Federal Logistics Information System.