The Transistor, cataloged under National Stock Number 5961-00-491-7277, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-491-7277 |
| Primary Part Number | 2N1890 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.200 INCHES NOMINAL IN |
| Semiconductor Material | SILICON |
| Overall Diameter | 0.370 INCHES MAXIMUM IN |
| Transfer Ratio | 50.0 MAXIMUM SMALL-SIGNAL SHORT-CIRCUIT FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-5 |
| Mounting Method | TERMINAL |
| Power Rating Per Characteristic | 800.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION |
| Terminal Length | 1.500 INCHES MINIMUM IN |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5961-00-491-7277 is a Transistor, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5961 (No Item Name Available). Status: active.
NSN 5961-00-491-7277 has 4 cross-referenced part numbers: 2N1890 (Raytheon Company Div Corp), 2N1890 (Raytheon Company Dba Raytheon Co), 475426 (Raytheon Company Dba Raytheon Co), 475426 (Raytheon Company Div Corp).
There are 3 known substitutes for 5961-00-491-7277: 2840-00-066-9898, 5961-00-583-8734, 5961-00-959-8546. Verify interchangeability with system specifications before substitution.
Key specifications for 2N1890: Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Special Features: JUNCTION PATTERN ARRANGEMENT: NPN. 16 total characteristics are documented in the Federal Logistics Information System.