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The 4B3L is a half wave power rectifier.
The base has ceramic insulation between the pins and inside the envelope the insulation is also ceramic. The anode connects to the top cap and is pressed from two pieces of sheet that have subsequently been coated. The anode cavity is 9 mm x 46 mm and has rounded ends, the flat side fins are the fixing points. Within the anode cavity are two separate oxide covered cathodes.
The wide glass tube envelope is 60 mm in diameter and, excluding the four base pins, is 150 mm tall.
This exhibit was last updated on 28 May 2002
The base has ceramic insulation between the pins and inside the envelope the insulation is also ceramic. The anode connects to the top cap and is pressed from two pieces of sheet that have subsequently been coated. The anode cavity is 9 mm x 46 mm and has rounded ends, the flat side fins are the fixing points. Within the anode cavity are two separate oxide covered cathodes.
The wide glass tube envelope is 60 mm in diameter and, excluding the four base pins, is 150 mm tall.
This exhibit was last updated on 28 May 2002
This exhibit was last updated on 28 May 2002
This exhibit was last updated on 28 May 2002 |