EDCOR Electronics Corporation
IMT200/600 - 5W, 200 Ohms to 600 Ohms Tube Driver - Interstage Matching Transformer
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Design
The IMT series was designed as interstage matching transformer. These transformers are precision gapped to adjust for unbalanced DC current.
Primary (Input)
The input is designed for a 200 Ohms impedance source.
Secondary (Output)
The output is designed for a 600 Ohms impedance source.
Magnet Wire
All units are wound with the finest virgin copper magnet wire. All windings use heavy insulated wire to provide excellent manufacturing yield, lower customer cost and superior life.
The Core
EDCOR uses the finest M6 line grain oriented steel cores. Each unit is hand stacked to assure at least 92% stack and gapped for the DC current.
The Bobbin
Injection molded Nylon 6/6 with the addition of 30%-35% glass fibers. The addition of glass fibers allows a higher heat deflection temperature and it brings the material to a class HB UL temperature classification.
Termination
The terminations are UL1015 18 ga. color coded lead wire around 15 inches (38cm) long.
Mounting
This unit comes with steel end bells for mounting with the use of four screws. See dimensional drawing.
Specifications
| Wattage | 5W |
| Maximum Current | 17mA |
| Primary (input) Impedance | 200 Ω |
| Secondary (output) Impedance | 600 Ω |
| Turns Ratio | 1:1.73 |
| Winding Configuration | Interleave Winding |
| Frequency Response | 20~20K Hz., <1dBu |
| THD+Noise | <0.1% @ 1K Hz. |
| Bobbin Material | Nylon 6/6 GF-30 |
| Flammability Rating | Class HB |
| Coil Finish Wrapping | Polyester Film Electrical Insulating Tape |
| Core Size |
EI87 (7/8" x 1") |
| Core Material | M-6 29 ga. grain oriented lamination steel |
| Secondary Insulation | Clear air dry polyester varnish |
| Termination | 15" (38cm) UL1015, 18 ga. lead wire |
| Mounting | Steel end bell covers |
| Mounting Orientation | Horizontal |
| Weight | 1.75 lbs. |
| Compliance | RoHS & REACH |
| Dimensional Drawing | 15000-EI087-100-HX |
*Some specification values care calculated, and actual values may vary.*