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1B2_1S5

Information - Aide 
ID = 27521
       
Pays:
Japon
Fabricant: Common type Japan tube/semicond.
Type:  Diode-Pentode   RF/IF-Stage 
Identique à 1B2_1S5 = DAF91 = 1S5 = ZD17

Culot Miniatur-7-Pin-Base B7G, USA 1940
Chauffage
Description 1B2 is the name for an "Urdox-FeH-Resitor from the USA. Therefore we distinguish this 1B2 Diode Pentode with a special suffix. Sometimes the 1B2 is also written as 1B-2 or 1 B 2. 
Dimensions
(l x h x p)
incl.pins/tip
19 x 55 x 19 mm / 0.75 x 2.17 x 0.75 inch

daf91~~1.png
1B2_1S5: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

530_1~~1.png 1B2_1S5: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
 

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