The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-520-5122, 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 Semiconductor Components Industries, Llc Dba Semiconductor Components Industries Llc Div Corporate Headquarters. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-520-5122 |
| Primary Part Number | 1.5KE56CA |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Semiconductor Components Industries, Llc Dba Semiconductor Components Industries Llc Div Corporate Headquarters |
| Status | ACTIVE |
| Mounting Method | TERMINAL |
| Criticality Code Justification | FEAT |
| Material | SILICON SEMICONDUCTOR |
| Material | PLASTIC ENCLOSURE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 1.5KE56CA PRIMARY | Semiconductor Components Industries, Llc Dba Semiconductor Components Industries Llc Div Corporate Headquarters (USA) |
| 1.5KE56CA PRIMARY | General Semiconductor Inc (USA) |
| Reference | Meaning |
|---|---|
| 356A1351P48 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5961-01-520-5122 is a Semiconductor Device,diode, manufactured by Semiconductor Components Industries, Llc Dba Semiconductor Components Industries Llc Div Corporate Headquarters, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-520-5122 has 2 manufacturer part numbers on file: 1.5KE56CA (Semiconductor Components Industries, Llc Dba Semiconductor Components Industries Llc Div Corporate Headquarters), 1.5KE56CA (General Semiconductor Inc).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-564-8537. Verify interchangeability with system specifications before substitution.
Key specifications for 1.5KE56CA: Mounting Method: TERMINAL; Criticality Code Justification: FEAT; Special Features: ELECTROSTATIC DISCHARGE SENSITIVE,53.2/58.8 VBR,1.5KW,BI,TVS,PACKAGE STYL;CASE 41A OR 1.5KE A; End Item Identification: C-17A AIRCRAFT A. 4 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.