RATING AND CHARACTERISTIC CURVES ( SMAJ5.0A - SMAJ188CA )

FIG.1 - PULSE DERATING CURVE

FIG.2 - TYPICAL JUNCTION CAPACITANCE

0

25

50

75

100

125

150

175

Ta, AMBIENT TEMPERATURE, (

FIG.3 - PULSE WAVEFORM

FIG.4 - PEAK PULSE POWER RATING CURVE

FIG.5 - MAXIMUM NON-REPETITIVE PEAK FORWARD

SURGE CURRENT

Page 3 of 3

Rev.02 : February 3, 2004

80

60

40

20

120

100

10

0

0.1

1.0

td, PULSE WIDTH, SEC

100

0.1

µs

1.0

µs

10

µs

100

µs

10ms

1.0ms

NON-REPETITIVE

PULSE WAVEFORM

SHOW IN FIG. 3 ,Ta=25

°C

6,000

100

1,000

10

10

20

100

1

2

200

Measured at

Stand-off Voltage

f = 1.0 MHz

t, TIME(ms)

50

100

0

tr = 10

µs

Peak Value

2

td

0

1.0

2.0

3.0

4.0

Ta=25

°C

Pulse Width (td) is defined

as that point where the peak

current decays to 50%

50

40

30

0

1

5

10

50

100

NUMBER OF CYCLES AT 60 Hz

8.3 ms Single half sine-wave

JEDEC Method

20

10

10/1000

µs. Waveform as

defined by R.E.A.

SMAJ5.0 -

SMAJ78A

SMAJ85 -

SMAJ188A