PAGE . 4

STAD-MAY.25.2007

1.5SMC SERIES

Fig.1 PEAK PULSE POWER RATING VERSUS

PULSE TIME CURVE

Fig.2 PULSE DERATING CURVE

Fig.3 PULSE WAVEFORM

Fig.5 STEADY STATE POWER DERATING

Fig.6 MAXIMUN NON-REPETITEVE PEAK FORWARD

SURGE CURRENT UNIDIRECTIONAL

Fig.4 TYPICAL JUNCTION CAPACITANCE

td,PULSE WIDTH,usec

T,TIME,ms

T , LEAD TEMPERATURE, C

L

O

T ,AMBIENT TEMPERATURE, C

A

O

0.1

0.1

1.0

1.0

10

10

100

100

1000

10000

100

75

50

25

0

125

150

175

200

25

50

75

100

0

Non-Repetitve

Pulse Wavefom

Shown in Figure.3

T= 25 C

A

O

0

1.0

2.0

3.0

4.0

0

50

100

150

Pulse Wid th (td ) is De fine d

a s the Point Where t he Pea k

Curre ntDe c a ysto5 0%o fIp p

tf= 10 u se c

10/1000 u se c Wa ve fo rm

as De fine d b ye R.E.A.

Pe a k Va lue

Ip p m

Ha lf Va lue -Ip p

2

e-kt

td

10

1,000

100

10

5.0

10

20

50

100

200

500

Tj= 25 C

f= 1.0MHZ

Vsig = 50mVp -p

Me a sure d a t

Ze ro Bia s

Me a sure d a t

Sta nd -Off

Vo lta ge (V

)

RWM

4

125

150

175

200

25

50

75

100

0

0

5.00

3.75

2.50

1.25

= 375"(9.5m m )

20mm 2 0mm 1 mm

Co p p e r He a t Sinks

(0.8 " 0 .8" 0 .40")

1

Tj= Tj m a x

8.3m s SINGLE HALF sinc e -WAVE

JEDEC M ETHOD

10

50

100

200

10

5

50

100

UNIDIREC TIONAL ONLY

NUMBER OF CYC LES AT 60 Hz

PLEASE REFER THE TVS APPLICATION NOTE IN PANJIT WEBSITE

http://www.panjit.com/protection-transient-voltage-suppressors.html