The Transistor, cataloged under National Stock Number 5961-01-185-9481, 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 Microsemi Corp. - Rf Power Products. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-185-9481 |
| Primary Part Number | MS2584 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Microsemi Corp. - Rf Power Products |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 32.0 MAXIMUM COLLECTOR-TO-EMITTER, RESISTANCE BETWEEN BASE AND EMITTER AND 3.5 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Precious Material | GOLD |
| Mounting Method | PRESS FIT |
| Transfer Ratio | 120.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Precious Material and Location | EXTERNAL SURFACES GOLD |
| Terminal Type and Quantity | 2 FLANGE AND 2 RIBBON |
| Power Rating Per Characteristic | 4.3 WATTS MAXIMUM TOTAL DEVICE 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 |
|---|---|
| MS2584 | Microsemi Corp. - Rf Power Products (USA) |
| Reference | Meaning |
|---|---|
| 806145 | 5/9 Secondary reference U.S. Government activity |
| 80615 | 5/9 Secondary reference Microwave Semiconductor Corp |
| 911374-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5961-01-185-9481 is a Transistor, manufactured by Microsemi Corp. - Rf Power Products, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-185-9481 has 1 manufacturer part number on file: MS2584 (Microsemi Corp. - Rf Power Products).
1 possible match (shared part number, not a government interchangeability claim): 4140-01-448-8366. Verify interchangeability with system specifications before substitution.
Key specifications for MS2584: Overall Height: 0.210 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 32.0 MAXIMUM COLLECTOR-TO-EMITTER, RESISTANCE BETWEEN BASE AND EMITTER AND 3.5 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Precious Material: GOLD. 11 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.