The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-181-1200, 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 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-181-1200 |
| Primary Part Number | 20218 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Smiths Aerospace, Inc., Electronic Systems-Grand Rapids |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 100.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS JUNCTION DEGC |
| Overall Diameter | 0.405 INCHES MAXIMUM IN |
| Special Test Features | TESTED PER BASE TEN SYSTEMS DWG 20218 |
| Terminal Length | 1.010 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL |
| Current Rating Per Characteristic | 400.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT |
| Material | SILICON SEMICONDUCTOR |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.053 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 20218 | Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA) |
| Reference | Meaning |
|---|---|
| MR751 | 3/9 Design control — primary reference Freescale Semiconductor, Inc. |
NSN 5961-01-181-1200 is a Semiconductor Device,diode, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-181-1200 has 1 manufacturer part number on file: 20218 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-248-5851. Verify interchangeability with system specifications before substitution.
Key specifications for 20218: Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS JUNCTION DEGC; Overall Diameter: 0.405 INCHES MAXIMUM IN; Special Test Features: TESTED PER BASE TEN SYSTEMS DWG 20218. 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.