1.5SMC Datasheet, PDF (4/5 Pages) Vishay Siliconix – Surface Mount TRANSZORB Transient Voltage Suppressors

1.5SMC SERIES
100
10
Non-Repetitve
Pulse Wavefom
Shown in Figure.3
TA = 25 ^OC
1.0
0.1
0.1
1.0
10
100
1000
td,PULSE WIDTH,usec
10000
Fig.1 PEAK PULSE POWER RATING VERSUS
PULSE TIME CURVE
150
100
tf= 10 se c
Pe a k Va lue
Ip p m
TA = 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
Ha lf Va lue -Ip p
2
50
10/1000 se c Wa ve fo rm
a s De fine d b ye R.E.A.
e -kt
td
0
0
1.0
2.0
3.0
4.0
T,TIME,ms
Fig.3 PULSE WAVEFORM
5.00
3.75
2.50
= 375"(9.5m m )
1.25
0
0
20m m +2 0m m +1 m m
Co p p e r He a t Sinks
(0.8 " +0 .8" +0 .40")
25 50 75 100
125
150
175
200
TL, LEAD TEMPERATURE,^OC
Fig.5 STEADY STATE POWER DERATING
10 0
75
50
25
0
0
25 50 75 100 125 150 175 200
TA,AMBIENT TEMPERATURE,^OC
Fig.2 PULSE DERATING CURVE
10⁴
1,000
Tj= 25 C
f= 1.0MHZ
Vsig = 50mVp -p
Me a sure d a t
Ze ro Bia s
100
Me a sure d a t
Sta nd -Off
Vo lta ge (V RWM )
10
5.0 10
20
50
100
200
500
V(BR), BREAKDOWN VOLTAGE, VOLTS
Fig.4 TYPICAL JUNCTION CAPACITANCE
200
100
50
Tj= Tj m a x
8.3m s SINGLE HALF sinc e -WAVE
JEDEC M ETHOD
10
1
UNIDIRECTIONAL ONLY
5
10
50 100
NUMBER OF CYCLES AT 60 Hz
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