The Transistor, cataloged under National Stock Number 5961-00-102-0366, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Osi Optoelectronics, Inc Dba Semicoa. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-102-0366 |
| Primary Part Number | 2N4305 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Osi Optoelectronics, Inc Dba Semicoa |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION200.0 CELSIUS JUNCTION DEGC |
| Overall Diameter | 0.335 INCHES MINIMUM AND 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM IN |
| Terminal Length | 1.500 INCHES MINIMUM1.500 INCHES MINIMUM IN |
| Mounting Method | TERMINALTERMINAL |
| Semiconductor Material | SILICONSILICON |
| Internal Configuration | JUNCTION CONTACTJUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 2.50 AMPERES MAXIMUM BASE CURRENT, DC2.50 AMPERES MAXIMUM BASE CURRENT, DC |
| Nondefinitive Spec/std Data | NO. 2N4305 TYPENO. 2N4305 TYPE |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN |
| Electrode Internally-Electrically Connected to Case | COLLECTORCOLLECTOR |
| Power Rating Per Characteristic | 1.5 WATTS MAXIMUM COLLECTOR POWER DISSIPATION1.5 WATTS MAXIMUM COLLECTOR POWER DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2N4305 | Solid State Devices, Inc (USA) |
| 2N4305 PRIMARY | Osi Optoelectronics, Inc Dba Semicoa (USA) |
| 2N4305 | Microsemi Ppc Inc (USA) |
| Reference | Meaning |
|---|---|
| 2N4305 | 5/9 Secondary reference Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp |
| SMD663729 | 5/2 Secondary reference U.S. Government activity |
| RELEASE5296 | 5/9 Secondary reference U.S. Government activity |
| 2N4305 | 5/9 Secondary reference U.S. Government activity |
NSN 5961-00-102-0366 is a Transistor, manufactured by Osi Optoelectronics, Inc Dba Semicoa, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-102-0366 has 3 manufacturer part numbers on file: 2N4305 (Solid State Devices, Inc), 2N4305 (Osi Optoelectronics, Inc Dba Semicoa), 2N4305 (Microsemi Ppc Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5961-00-177-6026, 5961-00-231-5638, 5961-01-093-2579. Verify interchangeability with system specifications before substitution.
Key specifications for 2N4305: Voltage Rating in Volts Per Characteristic: 120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION200.0 CELSIUS JUNCTION DEGC; Overall Diameter: 0.335 INCHES MINIMUM AND 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM IN; Terminal Length: 1.500 INCHES MINIMUM1.500 INCHES MINIMUM IN. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.