The Transistor, cataloged under National Stock Number 5961-00-139-1952, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Keysight Technologies Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-139-1952 |
| Primary Part Number | 1854-0241 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Terminal Length | 0.400 INCHES MINIMUM IN |
| Power Rating Per Characteristic | 310.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| Voltage Rating in Volts Per Characteristic | -20.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN |
| Material | PLASTIC ENCLOSURE |
| Internal Configuration | JUNCTION CONTACT |
| Overall Diameter | 0.330 INCHES MAXIMUM IN |
| Current Rating Per Characteristic | 100.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SPS4657 | Freescale Semiconductor, Inc. (USA) |
| 1854-0241 PRIMARY | Keysight Technologies Inc (USA) |
| S21031 | Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd (USA) |
| 1854-0241 | Keysight Technologies, Inc. (USA) |
| 1854-0241 | Hewlett-Packard Company Dba HP (USA) |
NSN 5961-00-139-1952 is a Transistor, manufactured by Keysight Technologies Inc, classified under FSC 5961 (No Item Name Available). Status: active.
NSN 5961-00-139-1952 has 5 cross-referenced part numbers: SPS4657 (Freescale Semiconductor, Inc.), 1854-0241 (Keysight Technologies Inc), S21031 (Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd), 1854-0241 (Keysight Technologies, Inc.), 1854-0241 (Hewlett-Packard Company Dba HP).
There is 1 known substitute for 5961-00-139-1952: 3030-00-858-3625. Verify interchangeability with system specifications before substitution.
Key specifications for 1854-0241: Mounting Method: TERMINAL; Semiconductor Material: SILICON; Terminal Length: 0.400 INCHES MINIMUM IN; Special Features: JUNCTION PATTERN ARRANGEMENT: NPN. 12 total characteristics are documented in the Federal Logistics Information System.