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GU50

Sensibly equivalent to:
2V/301A AU6 CV1072 CV1626 CV2738 DCG1.5-250 ESU101 NU16 RG1-240A RG250/1000 VU72
    
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The GU50 mercury vapour half wave rectifier sits on a B4 base.
The maximum reservoir capacitor is 4 µF. The filament is a twin horseshoe of corrugated tape. The anode is a short dustbin lid connected to, and supported by the top cap.
The classic envelope is 47 mm in diameter and, excluding the B4 base pins, is 123 mm tall.
References: Data-sheet & 1040. Type GU50 was first introduced in 1940. See also 1940 adverts.

 

Pin Connections
B4
1
2
3
tc
nc
nc
f
a

 

Absolute Maximum Operating Conditions
Rectifier
Vh
Ah
Va
mAa
4.0
3.0
1,750
250
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 07, 2022.
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