The Transformer,pulse, cataloged under National Stock Number 5950-01-339-5085, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-339-5085 |
| Primary Part Number | 35188-1 |
| Item Name | Transformer,pulse |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 0.115 MILLIHENRIES MINIMUM AND 0.138 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Inductance Rating | 0.18 MILLIHENRIES MINIMUM AND 0.216 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Body Height | 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Maximum Operating Temp | 60.0 CELSIUS DEGC |
| Winding Operating Current | 0.2 AMPERES DC NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Current | 0.3 AMPERES DC NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| DC Resistance Rating in Ohms | 0.146 SINGLE COMPONENT SINGLE PRIMARY |
| DC Resistance Rating in Ohms | 0.322 SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 KILOHERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Winding Operating Voltage | 20.00 DC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 25.00 DC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 5 PIN |
| Hazardous Locations/environmental Protection | HUMIDITY RESISTANT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5950-01-339-5085 is a Transformer,pulse, manufactured by Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-339-5085 has 2 manufacturer part numbers on file: FTC 3454 (Transistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division), 35188-1 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit).
1 possible match (shared part number, not a government interchangeability claim): 4940-01-530-1278. Verify interchangeability with system specifications before substitution.
Key specifications for 35188-1: Inclosure Type: FULLY INCLOSED; Mounting Method: TERMINAL SINGLE GROUP; Inductance Rating: 0.115 MILLIHENRIES MINIMUM AND 0.138 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE PRIMARY; Inductance Rating: 0.18 MILLIHENRIES MINIMUM AND 0.216 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE SECONDARY. 18 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.