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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.![](../pics/abi0044a.jpg)
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 | ![](../static/key.gif) a(1) | h | h | k,m | a(2) |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | mAa | ![](../static/pdflogo.gif)
| 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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