The EY86/87 from Mullard is a high voltage half wave rectifier. It was designed as an EHT rectifier in television receivers and instruments.
The reverse of the envelope showing the anode bell and heater connections and cathode support.
The oxide coated cathode tube can be seen in the centre of the anode.The thin glass tube envelope is 21 mm in diameter, and excluding the base pins is 61 mm tall.References: data-sheet Type EY86/87 was first introduced in 1956. See also 1956 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | tc |  h,k,s | h | nc | k,h,s | h | h,k,s | nc | h | h,k,s | a |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | mAa | 
| 6.3 | 0.09 | 22,000 | 0.8 |
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Updated January 05, 2022.
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