The Transistor, cataloged under National Stock Number 5961-01-043-7550, 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 Plath Gmbh & Co. Kg. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-043-7550 |
| Primary Part Number | 505-212 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Plath Gmbh & Co. Kg |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 80.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 3.00 AMPERES MAXIMUM COLLECTOR CURRENT, INSTANTANEOUS AND 6.00 AMPERES MAXIMUM COLLECTOR CURRENT, INSTANTANEOUS |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Power Rating Per Characteristic | 12.5 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 |
|---|---|
| 505-212 | Plath Gmbh & Co. Kg (DEU) |
| Reference | Meaning |
|---|---|
| MJE181 | 3/9 Design control — primary reference Freescale Semiconductor, Inc. |
NSN 5961-01-043-7550 is a Transistor, manufactured by Plath Gmbh & Co. Kg, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-043-7550 has 1 manufacturer part number on file: 505-212 (Plath Gmbh & Co. Kg).
3 possible matches (shared part number, not a government interchangeability claim): 6515-01-139-7721, 2990-01-255-7836, 5306-01-656-9305. Verify interchangeability with system specifications before substitution.
Key specifications for 505-212: Overall Height: 0.105 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 80.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC; Semiconductor Material: SILICON; Overall Length: 0.435 INCHES MAXIMUM IN. 6 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.