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CV261Sensibly equivalent¶ to:2T/270K E1956 HR2 R10 SU44 V.1928
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This EHT rectifier is a low power device, suitable for the CRT's used in indicating instruments such as oscilloscopes.The number of equivalents suggests that this was a standard device of its time.The series resistance to be used with the valve has to be above 62,000 Ohms and the maximum reservoir capacitor value us 0.25µF.The anode is a cylindrical bell with the cathode assembly held vertically within it. The heather/cathode is always separated from the anode by a 3.5 mm gap.The thin glass tube envelope is 17 mm in diameter and, excluding the B7G base pins, is 48 mm tall.Reference: Datasheet. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | tc |  k | k | h | h | k | k | k | a |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | mAa | 
| 4.0 | 0.5 | 3500 | 5.0 |
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Updated October 05, 2013. shape:thin.glass.tube construction:all.glass type:rectifier.hw age:1940.1950 base:b7g heater:4.0v pins:7 pin:1.k pin:2.k pin:3.h pin:4.h pin:5.k pin:6.k pin:7.k pin:tc.a
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