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진공관 (KT 88 BLUE) | | |
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- A. F. BEAM PENTODE Base: OCTAL
- Typical characteristic
- Ua = 250 V
- Ug2 = 250 V
- Ia = 140 mA
- Ig2 = max. 7 mA
- -Ug1 = 15 V
- S = 11,5 mA/V
- Ri = 12 kΩ
- μ-g1-g2 = 8
- Triode Conncected
- Ua, g2 = 250 V
- Ia+g2 = 147 mA
- -Ug1 = 15 V
- S = 12 mA/V
- Ri = 670 Ω
- μ = 8
- Limiting values
- Ua = 800 V
- Ug2 = 600 V
- Ua, g2 = 600 V
- -Ug1 = 200 V
- Wa = 42 W
- Wg2 = 8 W
- Wa-g2 = 46 W
- Ik = 230 mA
- Uk/f = 250 V
- Rg1-k (catode bias)
Wa+g2≤35 W 470 kΩ
Wa+g2>35 W 270 kΩ
- Rg1-k (fixed bias)
Wa-g2≤35 W 220 kΩ
Wa+g2>35 W 100 kΩ
- Capacitances
- cg1 = 16,5 pF
- ca = 10 pF
- cg1-a = 2,3 pF
- Red/Blue versions available
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