| Item Name | Transistor |
| Federal Supply Group (FSG) | Electrical and Electronic Equipment Components |
| Federal Supply Class (FSC) | 5961 Semiconductor Devices and Associated Hardware |
| National Item Identification Number (NIIN) | 00-156-5747 (001565747) |
| NCB Code | USA (00) |
| Manufacturer | Adelco Elektronik Gmbh, Military Specifications, Lockheed Martin Corporation, Lacon Electronic Gmbh, Elettronica Aster Spa, Raytheon Company, Freescale Semiconductor Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 2N4957A | adelco elektronik gmbh | transistor | c7191 | RFQ |
| 2N4957 | military specifications | transistor | 81349 | RFQ |
| 2387369 | lockheed martin corporation | transistor | 49671 | RFQ |
| 2N4957 | lacon electronic gmbh | transistor | d6528 | RFQ |
| 539781-1 | elettronica aster spa | transistor | a0267 | RFQ |
| 539781-1 | raytheon company | transistor | 96214 | RFQ |
| 2N4957 | adelco elektronik gmbh | transistor | c7191 | RFQ |
| 2N4957 | freescale semiconductor inc | transistor | 04713 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABBH | INCLOSURE MATERIAL | METAL |
| ABHP | OVERALL LENGTH | 0.178 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM |
| ADAV | OVERALL DIAMETER | 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
| ALAS | INTERNAL CONFIGURATION | JUNCTION CONTACT |
| ASCQ | INTERNAL JUNCTION CONFIGURATION | PNP |
| AXGY | MOUNTING METHOD | TERMINAL |
| CBBL | FEATURES PROVIDED | HERMETICALLY SEALED CASE |
| CTMZ | SEMICONDUCTOR MATERIAL | SILICON |
| CTQN | VOLTAGE RATING IN VOLTS PER CHARACTERISTIC | 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE,DC |
| CTQX | CURRENT RATING PER CHARACTERISTIC | 50.0 AMPERES MAXIMUM COLLECTOR CURRENT,DC |
| CTRD | POWER RATING PER CHARACTERISTIC | 300.0 WATTS MAXIMUM TOTAL POWER DISSIPATION |
| TTQY | TERMINAL TYPE AND QUANTITY | 4 UNINSULATED WIRE LEAD |
| Relevant Components for NSN - 5961-00-156-5747, 5961001565747 | ||||
| 5930-01-201-0344 (5930012010344) | 5935-00-733-6624 (5935007336624) | 5935-01-670-0032 (5935016700032) | 5935-01-238-8280 (5935012388280) | |
| 5945-00-772-0597 (5945007720597) | 5998-01-470-7299 (5998014707299) | 5998-01-450-1035 (5998014501035) | 5995-01-305-0350 (5995013050350) | |
| 5935-01-438-9012 (5935014389012) | 5998-01-080-8351 (5998010808351) | 5998-01-518-1172 (5998015181172) | 5935-01-141-2602 (5935011412602) | |
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