The Transistor, cataloged under National Stock Number 5961-01-143-2529, 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 Varian Associates Inc Communications Transistor Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-143-2529 |
| Primary Part Number | C1-12 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | Varian Associates Inc Communications Transistor Div |
| Status | ACTIVE |
| Power Rating Per Characteristic | 5.0 WATTS MAXIMUM TOTAL POWER DISSIPATION |
| Overall Diameter | 0.300 INCHES NOMINAL IN |
| Internal Configuration | JUNCTION CONTACT-DOUBLE EMITTER |
| Current Rating Per Characteristic | 0.25 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Terminal Circle Diameter | 1.000 INCHES NOMINAL IN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Mounting Method | TERMINAL |
| Voltage Rating in Volts Per Characteristic | 36.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH BASE SHORT-CIRCUITED TO EMITTER |
| Material | CERAMIC ENCLOSURE |
| Terminal Type and Quantity | 4 RIBBON |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C1-12 PRIMARY | Varian Associates Inc Communications Transistor Div (USA) |
NSN 5961-01-143-2529 is a Transistor, manufactured by Varian Associates Inc Communications Transistor Div, classified under FSC 5961 (No Item Name Available). Status: active.
NSN 5961-01-143-2529 has 1 cross-referenced part number: C1-12 (Varian Associates Inc Communications Transistor Div).
There are 10 known substitutes for 5961-01-143-2529: 3455-00-254-8463, 2910-00-360-8028, 2940-00-505-6709 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for C1-12: Power Rating Per Characteristic: 5.0 WATTS MAXIMUM TOTAL POWER DISSIPATION; Overall Diameter: 0.300 INCHES NOMINAL IN; Internal Configuration: JUNCTION CONTACT-DOUBLE EMITTER; Current Rating Per Characteristic: 0.25 AMPERES MAXIMUM COLLECTOR CURRENT, DC. 11 total characteristics are documented in the Federal Logistics Information System.