RATINGS AND CHARACTERISTIC CURVES 3.0SMCJ5.0 THRU 3.0SMCJ170A
FIG. 1 - PEAK PULSE POWER RATING CURVE
P
PPM,
PEAK PULSE POWER, KW
100
FIG. 2 – PULSE DERATING CURVE
PEAK PULSE POWER (P
PP
) or CURRENT (I
PP
)
DERATING IN PERCENTAGE,%
100
75
10
50
1.0
NON-REPETITIVE
PULSE WAVEFORM
SHOWN in FIG. 3
T
A
=25℃
25
0.1
0.1
US
1.0
US
10
US
100
US
1.0
MS
10
MS
0
0
25
50
75
100
125
150
175
200
td, PULSE WIDTH, sec.
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
T
A,
AMBIENT TEMPERATURE,℃
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
100,000
T
J
=25℃
f=1 MH
Z
Vsig=50mVp-p
MEASURED at
ZERO BIAS
I
PPM,
PEAK PULSE CURRENT,%
100
PEAK VALUE
Ippm
HALF VALUE
Ipp
2
C
J,
JUNCTION CAPACITANCE,
P
F
10,000
50
10/1000usec. WAVEFORM
as DEFINED by R.E.A.
0
0
td
1,000
MEASURED at
STAND-OFF
VOLTAGE, V
WM
1.0
2.0
t, TIME, ms
3.0
4.0
Unidirectional
Bidirectional
100
5.0
10
------
______
20
50
100
200
500
FIG.5 – PULSE WAVEFORM
8 / 20μ s
V
(BR),
BREAKDOWN VOLTAGE, VOLTS
FIG.6 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
250
100
50
Ipp – Pack Pulse Current - % Ipp
100
t
r = 8μ sec
t
d
= 20μ sec
Peak Value - Ipp
50
Half Value –
_____
Ipp
2
@ td
I
FSM,
PEAK FORWARD SURGE CURRENT
(AMPS)
t
r
TEST WAVEFORM
PARAMETERS
0
0
10
20
30
10
1
5
10
50
100
t – Time - usec
NUMBER OF CYCLES AT 60H
Z
3.0SMCJ5.0 THRU 3.0SMCJ170A
Page: 4
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