The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-185-4262, 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 Littelfuse, Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-185-4262 |
| Primary Part Number | 1.5KE43A |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 36.8 MAXIMUM REVERSE VOLTAGE, DC |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS AMBIENT AIR DEGC |
| Overall Diameter | 0.200 INCHES NOMINAL IN |
| Terminal Length | 1.100 INCHES NOMINAL IN |
| Mounting Method | TERMINAL |
| Current Rating Per Characteristic | 25.00 AMPERES MAXIMUM PEAK PULSE CURRENT |
| Material | SILICON SEMICONDUCTOR |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| Power Rating Per Characteristic | 1500.0 WATTS MAXIMUM TOTAL 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 |
| Part Number | Manufacturer |
|---|---|
| 1.5KE43A | Littelfuse, Inc. (USA) |
| 1.5KE43A | Raytheon Australia Pty Ltd 1 Technology Place (AUS) |
| Reference | Meaning |
|---|---|
| 1.5KE43A | 3/9 Design control — primary reference Protek Devices Lp Dba Protek Devices |
| 1.5KE43A | 5/9 Secondary reference General Semiconductor Industries Inc |
| 1.5KE43A | 5/9 Secondary reference Freescale Semiconductor, Inc. |
NSN 5961-01-185-4262 is a Semiconductor Device,diode, manufactured by Littelfuse, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-185-4262 has 2 manufacturer part numbers on file: 1.5KE43A (Littelfuse, Inc.), 1.5KE43A (Raytheon Australia Pty Ltd 1 Technology Place).
Key specifications for 1.5KE43A: Voltage Rating in Volts Per Characteristic: 36.8 MAXIMUM REVERSE VOLTAGE, DC; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC; Overall Diameter: 0.200 INCHES NOMINAL IN; Terminal Length: 1.100 INCHES NOMINAL IN. 10 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.