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R18Sensibly equivalent¶ to:
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The R18 is a high performance single rectifier with an anode voltage of 625 Volts. At these voltages a full wave rectifier configuration is easier to implement with two valves rather than a pair of valves in a single envelope.The rated reservoir capacitor is 24 µF and to limit surges the circuit series resistance needs to be at least 250 Ohms.See also The Mullard EY84 which is very similar.The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 74 mm tall.References: Data-sheet & 1040. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | tc | ic | ic | k | h | h | ic | ic | ic | ic | a |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | mAa |
| 6.3 | 1.15 | 625 | 125 |
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Updated January 18, 2013.
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