SMF Datasheet, PDF (2/4 Pages) PACELEADER INDUSTRIAL – SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

RATING AND CHARACTERISTIC CURVES (SMF SERIES)
FIG.1-PEAK PULSE POWER DERATING CURVE
10
Non-Repetitive
Pulse Waveform
Shown in Fig. 3
TA=25 C
1.0
FIG.2-PULSE DERATING CURVE
100
75
50
25
0.1
0.1 s
1.0 s
10 s
100 s
td, PULSE WIDTH, sec.
1.0ms
10ms
FIG.3-PULSE WAVE FORM
150
Tf=10 s
Peak Value
IPPM
100
TA=25 C
Pulse Width (td) is defined
as the point where the Peak
Current Deacys to 50% of Ipp
Half Value-IPPM
2
50
10/1000 sec Waveform
as Defined by R.E.A.
td
e-kt
0
0
1.0
2.0
3.0
4.0
t, TIME, ms
0
0
25
50
75
100 125
150
175
TA, AMBIENT TEMPERATURE ( C)
10,000
5,000
FIG.4-TYPICAL JUNCTION CAPACITANCE
TJ=25 C
f=1.0MHz
Vsig=50mVp-p
1,000
500
Measued at
Zero Bias
100
50
10
1.0
Measured at
Stand-Off
Voltage(VMW)
2.0
5.0
10
30 50 100 200
V(BR), BREAKDOWN VOLTAGE, VOLTS
FIG.5-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
50
TJ=TJmax
8.3ms Single Half Sine-wave
JEDEC Method
40
30
20
10
0
1
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
FIG.6-STEADY STATE POWER DERATING CURVE
0.5
0.4
0.3
0.2
0.1
0
0
25
50
75
100 125
150
175
TL, LEAD TEMPERATURE ( C)
369