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參數(shù)資料
| 型號： | MBS4991 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 晶閘管 |
| 英文描述： | Silicon Bidirectional Switches(Diode Thyristors) |
| 中文描述： | 10 V, SILICON BILATERAL SWITCH, TO-226AA |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 114K |
| 代理商： | MBS4991 |
4
Motorola Thyristor Device Data
EQUIVALENT CIRCUIT
FIGURE 10 – DEVICE EQUIVALENT CIRCUIT, CHARACTERISTICS AND SYMBOLS
MT1
MT2
G
MT1
MT2
CIRCUIT SYMBOL
G
CHARACTERISTICS
–I
VF2
VS2
IH2
+V
–V
IS1
IH1
IS1
VS1
VF1
+I
IS2
IB1
Mercury
Relay
(N.O.)
–
+
5.0 V
MT2
D.U.T.
MT1
C
500
100
FIGURE 9 – TURN-OFF TIME TEST CIRCUIT
VF + 0.1 (VS–VF)
+
VF
ton
VS
–
+
12 V
Anode
Voltage
D.U.T.
0.01
μ
F
1.0 k
1.0 k
Mercury Relay
FIGURE 8 – TURN-ON TIME TEST CIRCUIT
CHARACTERISTICS
–I
VF2
VS2
IH2
+V
–V
IS1
IH1
IS1
VS1
VF1
+I
IS2
IB1
With the SBS in conduction and the relay contacts open, close the contacts to cause anode A2 to be driven negative. Decrease C until the SBS just
remains off when anode A2 becomes positive. The turn off time, toff, is the time from initial contact closure and until anode A2 voltage reaches
zero volts.
Turn-on time is measured from the time VS is achieved to the time when the anode voltage drops to within 90% of the difference between VS
and VF.
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