The Transistor, cataloged under National Stock Number 5961-00-528-9858, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-00-528-9858 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 15.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS AMBIENT AIR DEGC |
| Mounting Facility Quantity | 1 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-111 |
| Overall Diameter | 0.380 INCHES MAXIMUM IN |
| Mounting Method | THREADED STUD(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT-DARLINGTON CONNECTED |
| Overall Width Across Flats | 0.437 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.190 INCHES IN |
| Current Rating Per Characteristic | 3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Test Data Document | 82577-928399 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 | 4 TAB, SOLDER LUG |
| Thread Series Designator | UNF |
| Power Rating Per Characteristic | 12.5 WATTS MAXIMUM COLLECTOR 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 |
| Reference | Meaning |
|---|---|
| 928399-3 | 3/2 Design control — primary reference U.S. Government activity |
| 87AA108S | 5/9 Secondary reference Solitron Devices, Inc. |
NSN 5961-00-528-9858 is a Transistor, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5865-01-167-2481. Verify interchangeability with system specifications before substitution.
Key specifications for 5961-00-528-9858: Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 15.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC; Mounting Facility Quantity: 1; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-111. 15 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.