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參數(shù)資料
| 型號： | BY278 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 參考電壓二極管 |
| 英文描述： | Damper diode |
| 中文描述： | 1700 V, SILICON, RECTIFIER DIODE |
| 封裝： | HERMETIC SEALED, GLASS PACKAGE-2 |
| 文件頁數(shù)： | 6/7頁 |
| 文件大?。?/td> | 52K |
| 代理商： | BY278 |
1996 Sep 26
6
Philips Semiconductors
Product specification
Damper diode
BY278
APPLICATION INFORMATION
For horizontal deflection circuits, two basic applications are shown in Figs 8 and 9.
The maximum allowable total power dissipation for the diode can be calculated from the thermal resistance R
th j-a
and
the difference between T
j max
and T
amb max
in the application. The maximum I
FWM
can then be taken from Fig.2.
The basic application waveforms in Fig.10 relate to the circuit in Fig.8. In the circuit in Fig.9 the forward conduction time
of the diode is shorter, allowing a higher I
FWM
(see Fig.2).
Fig.8
Application in basic high-voltage E/W
modulator circuit.
D1 = BY278.
handbook, halfpage
MBE935
LY
D1
+
(E-W)
deflection
transistor
Fig.9
Application in basic horizontal deflection
circuit.
D1 = BY278.
handbook, halfpage
Cf
Cs
LY
D1
MBE934
deflection
transistor
Fig.10 Basic application waveforms.
handbook, full pagewidth
T
IF
VR
tp
IFRM
IFWM
VRRM
time
time
MCD430 - 1
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