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D1300Sensibly equivalent¶ to:
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The D1300 is an indirectly heated double signal diode. Triotron give equivalents as the Mullard 2D13 and the Mazda DD620. However the 2D13 has a top cap and it is the 2D13A that is physically and electrically identical. Thrower gives the D1300 as having a B5 base, this is clearly a Ct5 base and Triotron made the D1300 with both base types. The 2D4A with a 4.0 Volt heater is an example of the bulb shape with the B5 base.
The reverse is plain gold coloured zinc paint metallising.The classic envelope is 28 mm in diameter, and excluding the Ct5 base pins is 78 mm tall.References: Data-sheet, 1046 & 1043. Type D1300 was first introduced in 1935. See also 1935 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 |  a(1) | h | h | k,m | a(2) |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | mAa | 
| 13.0 | 0.2 | 200 | 0.8 |
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PDF scanned from an original document held by the museum |
Updated March 19, 2014.
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