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E283CC

 
See also:
ECC83
    
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The E283CC is a special quality audio double triode. It is a development of the ECC83 but with a different pin layout. The amplification factor (mu) is, like the ECC83, 100. The data sheet makes it clear that for maximum life the heater voltage should remain within 5% of the 6.3 nominal value.
The transposition of the letters and numbers was the Mullard way of designating a special quality product.
The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 46 mm tall.
References: Datasheet & 3002. Type E283CC was first introduced in 1959.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
k(2)
g1(2)
a(2)
h
h
k(1)
s
a(1)
g1(1)

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
gm
6.3
0.3
250
-1
1.25
1.6
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 31, 2013.
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