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17Z3

Sensibly equivalent to:
PY81 U153 U329
See also:
Valves and their Habits
    
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The 17Z3 is an efficiency diode for television line scan and the design dates to the early 1950s. This was a popular design and was made by many companies under various Type designations. Pinnacle have shown this by marking the envelope PY81, U153 as well as 17Z3.
The rectifier is specified as having a peak inverse voltage rating of 4,500 Volts, and a peak current rating of 450 mA.
The anode plates are carbonised on the outside but bright on the working face.
The two anode sheets are stitched together. The overall width is 15 mm.
The thin glass tube envelope is 21 mm in diameter and, excluding the B9A base pins, is 74 mm tall.
References: Datasheet, 3002 & 1040.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
tc
ic
ic
ic
h
h
ic
ic
ic
a
k

 

Absolute Maximum Operating Conditions
Rectifier
Vh
Ah
Vg
mAa
17
0.3
-1
150
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated December11, 2013.
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