The Transistor, cataloged under National Stock Number 5961-00-420-2873, 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 Texas Instruments Incorporated. Government technical data includes 16 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 | 5961-00-420-2873 |
| Primary Part Number | 2N657A |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | Texas Instruments Incorporated |
| Status | ACTIVE |
| Mounting Method | TERMINAL |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 10.00 MICROAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS JUNCTION DEGC |
| Power Rating Per Characteristic | 1.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION |
| Terminal Length | 1.500 INCHES MINIMUM IN |
| Terminal Circle Diameter | 0.200 INCHES NOMINAL IN |
| Voltage Rating in Volts Per Characteristic | 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN |
| Overall Diameter | 0.352 INCHES NOMINAL IN |
| Internal Junction Configuration | NPN |
| Transfer Ratio | 30.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER AND 90.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER |
| Semiconductor Material | SILICON |
| Features Provided | HERMETICALLY SEALED CASE |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-5 |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 124-201-5035 | Moog Inc. Dba Moog Components Group (USA) |
| 124-201-5035 | Moog Inc. (USA) |
| ST8415 | Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA) |
| 2N657A | General Electric Co Semi-Conductor Products Dept (USA) |
| 2N657A PRIMARY | Texas Instruments Incorporated (USA) |
NSN 5961-00-420-2873 is a Transistor, manufactured by Texas Instruments Incorporated, classified under FSC 5961 (No Item Name Available). Status: active.
NSN 5961-00-420-2873 has 5 cross-referenced part numbers: 124-201-5035 (Moog Inc. Dba Moog Components Group), 124-201-5035 (Moog Inc.), ST8415 (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp), 2N657A (General Electric Co Semi-Conductor Products Dept), 2N657A (Texas Instruments Incorporated).
There is 1 known substitute for 5961-00-420-2873: 5961-00-806-8309. Verify interchangeability with system specifications before substitution.
Key specifications for 2N657A: Overall Length: 0.250 INCHES NOMINAL IN; Mounting Method: TERMINAL; Electrode Internally-Electrically Connected to Case: COLLECTOR; Internal Configuration: JUNCTION CONTACT. 17 total characteristics are documented in the Federal Logistics Information System.