The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-448-3255, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Darrah Electric Company. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-448-3255 |
| Primary Part Number | ACR44U10LG7002A |
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Darrah Electric Company |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 650.0 MAXIMUM FORWARD VOLTAGE, PEAK AND 50.0 MAXIMUM EMITTER SUPPLY VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 115.0 CELSIUS CASE DEGC |
| Mounting Facility Quantity | 1 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-48 |
| Overall Diameter | 0.650 INCHES MAXIMUM IN |
| Mounting Method | THREADED STUD(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Overall Width Across Flats | 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Current Rating Per Characteristic | 250.00 AMPERES MAXIMUM FORWARD CURRENT, REPETITIVE, MAXIMUM PEAK TOTAL VALUE |
| Test Data Document | 29357-43033-212-00481 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG AND 1 THREADED STUD |
| Power Rating Per Characteristic | 40.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION AND 0.5 WATTS MAXIMUM AVERAGE GATE POWER DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ACR44U10LG7002A PRIMARY | Darrah Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 43033-212-00481 | 5/9 Secondary reference Naval Air Warfare Ctr Aircraft Div |
| ACR25U10LG-56 | 5/9 Secondary reference Gec Plessey Semiconductors Inc |
| 43033-212-00481 | 5/9 Secondary reference Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic |
| SM-A-728997-3 | 5/9 Secondary reference U.S. Government activity |
| ACR44U10LG7002A | 5/9 Secondary reference Dynex Power Inc |
NSN 5961-01-448-3255 is a Semiconductor Device,thyristor, manufactured by Darrah Electric Company, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-448-3255 has 1 manufacturer part number on file: ACR44U10LG7002A (Darrah Electric Company).
Key specifications for ACR44U10LG7002A: Voltage Rating in Volts Per Characteristic: 650.0 MAXIMUM FORWARD VOLTAGE, PEAK AND 50.0 MAXIMUM EMITTER SUPPLY VOLTAGE; Maximum Operating Temp Per Measurement Point: 115.0 CELSIUS CASE DEGC; Mounting Facility Quantity: 1; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-48. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.