The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-170-1955, 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 Crystalonics, Inc.. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-170-1955 |
| Primary Part Number | TD4811B |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Crystalonics, Inc. |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 55.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | DO-14 |
| Overall Diameter | 0.140 INCHES MAXIMUM IN |
| Terminal Length | 1.000 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 100.00 MICROAMPERES MAXIMUM REVERSE CURRENT, DC |
| Material | SILICON SEMICONDUCTOR |
| Material | GLASS ENCLOSURE |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| 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 |
|---|---|
| TD4811B PRIMARY | Crystalonics, Inc. (USA) |
NSN 5961-01-170-1955 is a Semiconductor Device,diode, manufactured by Crystalonics, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-170-1955 has 1 manufacturer part number on file: TD4811B (Crystalonics, Inc.).
Key specifications for TD4811B: Voltage Rating in Volts Per Characteristic: 55.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS; Joint Electronic Device Engineering Council/jedec/case Outline Designation: DO-14; Overall Diameter: 0.140 INCHES MAXIMUM IN; Terminal Length: 1.000 INCHES MINIMUM 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.