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KT88
max 52,0
max 110,0 max 125,0
Base: OCTAL Uf = 6,3 V If = 1,6 A
Typical Characteristics:
Ua = 250
U = 250 g2
I = 140 a
I = max. 7 g2
Ug1 =
-15
S = 11,5
V V mA mA V mA/V
Ri = µ=
-g1-g2
12 kΩ 8
Triode Connected
U = a, g2
250
I= a+g2
147
Ug1 =
-15
S = 12
Ri = 670
µ=
8
V mA V mA/V Ω
Limiting Values:
Ua = 800 V
U = 600 V g2
U = 600 V a, g2
U = -200 V g1
Wa = 42 W
Wg2 =
8W
W = a+g2 46 W
I = 230 mA k
U = 250 V k/f
Rg1-k (cathode bias)
W ≤35 W 470 kΩ a+g2
W >35 W 270 kΩ a+g2
Rg1-k (fixed bias)
W ≤35 W 220 kΩ a+g2
Wa+g2>35 W 100 kΩ
Capacitances: cg1 = 16,5 pF ca = 10 pF
cg1-a = 2,3 pF
Red/Blue versions available www.jj-electronic.com
a. f. beam pentode
a. f.
KT88 Datasheet
