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CV1170

Sensibly equivalent to:
CV1691 D41 DD4 DDL4 NR46
    
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The CV1170 was the new name in 1941 for the NR46 pair of signal diodes.
The diodes share a common cathode and the use was in superhet receivers for both signal detection and AGC rectification.
The Z identifies the maker as MO Valve Company, Hammersmith.
The classic envelope is 36 mm in diameter and, excluding the B5 base pins, is 79 mm tall.
References: Data-sheet

 

Pin Connections
B5
1
2
3
4
5
a(d1)
a(d2)
h
h
k

 

Absolute Maximum Operating Conditions
Diode
Vh
Ah
4.0
0.3
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated March 15, 2025.
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