3.0SMCJ5.0 Datasheet, PDF (4/4 Pages) Diotech Company. – SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

RATINGS AND CHARACTERISTIC CURVES 3.0SMCJ5.0 THRU 3.0SMCJ170A
FIG. 1 - PEAK PULSE POWER RATING CURVE
100
10
1.0
NON-REPETITIVE
PULSE WAVEFORM
SHOWN in FIG. 3
T_A=25℃
0.1
0.1_US
1.0_US
10_US
100_US
1.0_MS
td, PULSE WIDTH, sec.
10_MS
FIG. 3 - PULSE WAVEFORM
10 / 1000 μ A
150
tr=10usec.
PULSE WIDTH ?(td) is DEFINED
as the POINT WHERE the PEAK
CURRENT DECAYS to 50% of Ipp
PEAK VALUE
100
Ippm
HALF VALUE ^Ipp
2
50
10/1000usec. WAVEFORM
as DEFINED by R.E.A.
td
0
0
1.0
2.0
3.0
4.0
t, TIME, ms
FIG.5 – PULSE WAVEFORM
8 / 20μ s
tr
100
TEST WAVEFORM
PARAMETERS
tr = 8μ sec
td = 20μ sec
Peak Value - Ipp
50
Ipp
Half Value – ^_____ @ td
2
00
10
20
30
t – Time - usec
3.0SMCJ5.0 THRU 3.0SMCJ170A
FIG. 2 – PULSE DERATING CURVE
100
75
50
25
0
0 25 50 75 100 125 150 175 200
T_A, AMBIENT TEMPERATURE,℃
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
100,000
T_J=25℃
f=1 MH_Z
Vsig=50mVp-p
10,000
MEASURED at
ZERO BIAS
1,000
MEASURED at
STAND-OFF
VOLTAGE, V_WM
Unidirectional - - - - - -
Bidirectional ______
100
5.0
10
20 50 100 200 500
V_(BR), BREAKDOWN VOLTAGE, VOLTS
FIG.6 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
250
100
50
10
1
5
10
50 100
NUMBER OF CYCLES AT 60H_Z
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