SMAJ51A 查看數據表（PDF） - General Semiconductor
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SMAJ51A Datasheet PDF : 4 Pages
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MAXIMUM RATINGS AND CHARACTERISTIC CURVES SMAJ5.0 THRU SMAJ170CA
FIG. 1 - PEAK PULSE POWER RATING CURVE
100
NON-REPETITIVE
PULSE WAVEFORM
SHOWN in FIG. 3
TA=25°C
10
1.0
0.2 x 0.2” (5.0 x 5.0mm)
COPPER PAD AREAS
0.1
0.1ms
1.0ms
10ms
100ms
td, PULSE WIDTH, sec.
1.0ms
10ms
FIG. 2 - PULSE DERATING CURVE
100
75
50
25
0.2 x 0.2” (5.0 x 5.0mm)
COPPER PAD AREAS
0
0 25 50 75 100 125 150 175
TA, AMBIENT TEMPERATURE, °C
150
100
50
FIG. 3 - PULSE WAVEFORM
tr=10µsec.
PULSE WIDTH (td) is DEFINED
as the POINT WHERE the PEAK
CURRENT DECAYS
to 50% of IPPM
PEAK VALUE
IPPM
HALF VALUE - IPPM
2
10/1000µsec. WAVEFORM
as DEFINED by R.E.A.
td
0
0
1.0
2.0
3.0
4.0
t, TIME, ms
10,000
1,000
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
TJ=25°C
f=1.0 MHZ
Vsig=50mVp-p
Measured at
Stand-off
Voltage, VWM
UNI-DIRECTIONAL
100
BI-DIRECTIONAL
10
1
10
100 200
V(BR), BREAKDOWN VOLTAGE, VOLTS
FIG. 5- Typical Response to 8KV Positive Going ESD Pulse
Per IEC1000 - 4-2 (IEC801-2)
105
84
63
42
21
0V
-21
Device Used:
-42
SMAJ15C
-63
-84
-105
0
10
20 30
40
50
60 70
t, TIME, nsec
FIG. 6 - MAXIMUM NON-REPETITIVE FORWARD SURGE
CURRENT UNIDIRECTIONAL ONLY
50
TJ=TJ max.
8.3ms SINGLE HALF SINE-WAVE
40
(JEDEC Method)
30
20
10
0
1
10
100
NUMBER OF CYCLES AT 60 HZ
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