FBT, its bleeder resistor, and device for coupling bleeder resis

Details FBT, its bleeder resistor, and device for coupling bleeder resis FBT, its bleeder resistor, and device for coupling bleeder resis

1999-03-22

2000-08-15

Donovan, Lincoln

Electrical resistors

Zigzag or sinuous resistance element

Planar

338283, H01C 312

Patent

active

061042765

ABSTRACT:
An FBT (fly-back transformer), its bleeder resistor (installed on the top of the FBT), and a device for coupling the bleeder resistor are disclosed. The bleeder resistor 100 is accommodated within a resistor case 180, and the resistor case 180 is installed on the top of an FBT case 110. A resistor pattern 140 is printed on the substrate 130 of the bleeder resistor 100. Openings 150 are formed within the wavy portions of the resistor pattern 140, and the resistor case 180 has a plurality of isolating sheets 160 within its interior 170, so that the isolating sheets 160 can be inserted into the openings 150. When manufacturing the bleeder resistor, the glass coating, the baking, the epoxy resin dipping are eliminated, but the voltage breakdown resisting property is improved. Further, the manufacturing cost is lowered owing to the simplification of the process.

REFERENCES:
patent: 2878357 (1959-03-01), Thomson et al.
patent: 4220893 (1980-09-01), Miller et al.
patent: 4450347 (1984-05-01), Courvoisier et al.
patent: 5204655 (1993-04-01), Yajima et al.

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