The Transistor, cataloged under National Stock Number 5961-01-272-8945, 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 Naval Sea Systems Command. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-272-8945 |
| Primary Part Number | 5537958-1 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 65.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 2 |
| Precious Material | GOLD |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HIGH FREQUENCY AND GOLD PLATED LEADS |
| Current Rating Per Characteristic | 3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Precious Material and Location | PLATED LEADS. GOLD |
| Test Data Document | 53711-5538013 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 | 3 RIBBON AND 1 CASE |
| Electrode Internally-Electrically Connected to Case | EMITTER |
| Power Rating Per Characteristic | 44.0 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 |
|---|---|
| 5537958-1 | Raytheon Company (USA) |
| SD1453-05H | Naval Sea Systems Command (USA) |
| 5537958-1 PRIMARY | Naval Sea Systems Command (USA) |
| 5537958-1 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| CD4028 | 5/1 Secondary reference Varian Associates Inc Communications Transistor Div |
| 5538013-1 | 5/1 Secondary reference Naval Sea Systems Command |
| 5537958-1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5961-01-272-8945 is a Transistor, manufactured by Naval Sea Systems Command, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-272-8945 has 4 manufacturer part numbers on file: 5537958-1 (Raytheon Company), SD1453-05H (Naval Sea Systems Command), 5537958-1 (Naval Sea Systems Command), 5537958-1 (Raytheon Company Dba Raytheon Co).
Key specifications for 5537958-1: Overall Height: 0.140 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 65.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 2. 14 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.