MMGA20VT1 查看數據表（PDF） - Motorola => Freescale
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MMGA20VT1
Motorola => Freescale
MMGA20VT1 Datasheet PDF : 8 Pages
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Typical Characteristics
300
275
250
225
200
175
150
125
100
75
50
25
0
0
0.5
MMQA5V6T1
UNIDIRECTIONAL
1
1.5
2
2.5
3
REVERSE VOLTAGE (V)
Figure 5. Typical Capacitance versus
Reverse Voltage
300
250
ALUMINA SUBSTRATE
200
150
100
FR-5 BOARD
50
0
0
25
50
75
100 125
150 175
TA, AMBIENT TEMPERATURE (°C)
Figure 6. Steady State Power Derating Curve
PULSE WIDTH (tP) IS DEFINED
tr
AS THAT POINT WHERE THE
PEAK CURRENT DECAYS TO 50%
100
PEAK VALUE — IRSM
OF IRSM.
tr ≤ 10 µs
HALF VALUE —
IRSM
2
50
tP
0
0
1
2
3
4
t, TIME (ms)
Figure 7. Pulse Waveform
100
90
80
70
60
50
40
30
20
10
00
25 50 75 100 125 150 175 200
TA, AMBIENT TEMPERATURE (°C)
Figure 8. Pulse Derating Curve
100
RECTANGULAR
WAVEFORM, TA = 25°C
10
UNIDIRECTIONAL
MMQA5V6T1 MMQA20VT1
1.0
0.1
1.0
10
100
1000
PW, PULSE WIDTH (ms)
Figure 9. Maximum Non-repetitive Surge
Power, Ppk versus PW
Power is defined as VRSM x IZ(pk) where VRSM
is the clamping voltage at IZ(pk).
MOTOROLA
3
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