Rating and Characteristic Curves (CZRC5348 Thru CZRC5388)

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COMCHIP

COMCHIP

MDS021101

3A

Page 3

Surface Mount Zener Diode

8

6

4

2

0

0

20

40

60

80

100

120

140

160

L = LEAD LENGTH TO

HEAT SINK

(SEE FIGURE 5)

TL, LEAD TEMPERATURE (°C))

300

200

100

50

30

20

10

5

0 20 40 60 80 100 120 140 160 180 200 220

RANGE

VZ, ZENER VOLTAGE @IZT (VOLTS)

Fig. 1-POWER TEMPERATURE DERATING CURVE

Fig. 2-TEMPERATURE COEFFICIENT-RANGE FOR UNITS

6 TO 220 VOLTS

30

20

10

7

5

3

2

1

0.7

0.5

0.3

0.0001 0.0002

0.0005 0.001

0.002

0.005

0.01

0.02

0.05

0.1

0.2

0.5

1

2

5

10

D=0.5

0.2

0.1

0.05

0.02

0.01

D=0

NOTE BELOW 0.1 SECOND,

THERMAL RESPONSE

CURVE IS APPLICABLE TO

ANY LEAD LENGTH (L)

DUTY CYCLE, D=t1 / t2

SINGLE PULSE

TJL =

JL(t)PPK

REPETITIVE PULSES

TJL = JL(t,D)PPK

TIME (SECONDS)

Fig. 3-TYPICAL THERMAL RESPONSE

40

30

20

10

0

00.2

0.40.6

0.8

1

COPPER PADS TO

EACH TERMINAL

L, LEAD LENGTH TO HEAT SINK (INCH)

40

20

10

4

2

1

0.4

0.2

0.1

3

4

6

8 10

20

30 40

60 80 100

200

PW = 1ms*

PW = 8.3ms*

PW = 1000ms*

SINE / SQUARE WAVE PW = 100ms*

NOMINAL VZ(V)

Fig. 4-TYPICAL THERMAL RESISTANCE

Fig. 5-MAXIMUM NON-REPETITIVE SURGE

CURRENT VERSUS NOMINAL ZENER

VOLTAGE (SEE NOTE 3)