1.5SMC SERIES
P
PPM
,PEAK PULSE FORWARD,KW
100
Non-Repetitve
Pulse Wavefom
Shown in Figure.3
O
T
A
= 25 C
100
PEAK PULSE FORWARD (P
PP
) OR CURRENT (I
PP
)
DERATING IN PERCENTAGE %
75
10
50
1.0
25
0.1
0.1
0
1.0
10
100
1000
10000
0
25
50
75
100
125
150
175
200
td,PULSE WIDTH,usec
Fig.1 PEAK PULSE POWER RATING VERSUS
PULSE TIME CURVE
T
A
,AMBIENT TEMPERATURE, C
O
Fig.2 PULSE DERATING CURVE
I
PPM
,PEAK PULSE CURRENT,%
150
tf= 10u se c
Pe a k Va lue
Ip p m
10
4
T
A
= 25 C
Pulse Wid th (td ) is De fine d
a s the Po int Whe re t he Pe a k
Curre nt De c a ys to 5 0% o f Ip p
Tj= 25 C
f= 1.0MHZ
Vsig = 50mVp -p
Me a sure d a t
Ze ro Bia s
100
CJ,CAPACIT
ANCE,p F
1,000
Ha lf Va lue -Ip p
2
50
10/1000u se c Wa ve fo rm
a s De fine d b ye R.E.A.
100
Me a sure d a t
Sta nd -Off
Vo lta ge (V
RWM
)
e -kt
td
10
1.0
2.0
3.0
4.0
0
5.0
10
20
50
100
200
500
0
T,TIME,ms
V
(BR)
, BREAKDOWN VOLTAGE, VOLTS
Fig.4 TYPICAL JUNCTION CAPACITANCE
Fig.3 PULSE WAVEFORM
T
OWER DISSIPATION, WATTS
Pm(AV)STEADY S ATE P
I
FSM
, PEAK FORWARD SURGE CURRENT
AMPERES
5.00
200
Tj= Tj m a x
INGLE HALF sinc e -WAVE
8.3m s S
JEDEC M ETHOD
3.75
100
50
2.50
= 375"(9.5m m )
1.25
20m m 2 0m m 1 m m
Co p p e r He a t Sinks
(0.8 " 0 .8" 0 .40")
+
+
UNIDIRECTIONAL ONLY
0
+
+
0
25
50
75
100
125
150
175
200
10
1
5
10
50
100
T
L
, LEAD TEMPERATURE,
O
C
T
NUMBER OF CYCLES A 60 Hz
Fig.5 STEADY STATE POWER DERATING
Fig.6 MAXIMUN NON-REPETITEVE PEAK FORWARD
SURGE CURRENT UNIDIRECTIONAL
PLEASE REFER THE TVS APPLICATION NOTE IN PANJIT WEBSITE
http://www.panjit.com/protection-transient-voltage-suppressors.html
STAD-MAY.25.2007
PAGE . 4
WEITRON [ WEITRON TECHNOLOGY ]
