The Transistor, cataloged under National Stock Number 5961-00-058-4171, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 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 | 5961-00-058-4171 |
| Primary Part Number | 578R138H01 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD |
| Features Provided | HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE |
| Power Rating Per Characteristic | 3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION |
| Voltage Rating in Volts Per Characteristic | 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN |
| Internal Configuration | JUNCTION CONTACTJUNCTION CONTACT |
| Semiconductor Material | SILICONSILICON |
| Terminal Circle Diameter | 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN |
| Electrode Internally-Electrically Connected to Case | COLLECTORCOLLECTOR |
| Terminal Length | 1.500 INCHES MINIMUM1.500 INCHES MINIMUM IN |
| Mounting Method | TERMINALTERMINAL |
| Overall Diameter | 0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM IN |
| Current Rating Per Characteristic | 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION200.0 CELSIUS JUNCTION DEGC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2W1973 | Raytheon Company Dba Raytheon (USA) |
| 2W1973 | Texas Instruments Incorporated (USA) |
| SM2994 | Raytheon Company Dba Raytheon (USA) |
| S5949 | Fairchild Semiconductor Corp (USA) |
| A1187 | Teledyne Technologies Incorporated Dba Teledyne Microelectronic Technologies Div Teledyne Microelectronics (USA) |
| SM2994 | Texas Instruments Incorporated (USA) |
| 578R138H01 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 5961-00-058-4171 is a Transistor, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5961 (No Item Name Available). Status: active.
NSN 5961-00-058-4171 has 7 cross-referenced part numbers: 2W1973 (Raytheon Company Dba Raytheon), 2W1973 (Texas Instruments Incorporated), SM2994 (Raytheon Company Dba Raytheon), S5949 (Fairchild Semiconductor Corp), A1187 (Teledyne Technologies Incorporated Dba Teledyne Microelectronic Technologies Div Teledyne Microelectronics) and 2 more.
There are 3 known substitutes for 5961-00-058-4171: 5950-00-645-8544, 3110-00-686-1116, 8105-01-709-0515. Verify interchangeability with system specifications before substitution.
Key specifications for 578R138H01: Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD; Features Provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE; Overall Length: 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN; Power Rating Per Characteristic: 3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION. 15 total characteristics are documented in the Federal Logistics Information System.