M C C
TM
RATING AND CHARACTERISTICS CURVES
Micro Commercial Components
1N5348BE THRU 1N5388BE
TEMPERATURE COEFFICIENTS
300
200
100
8
6
4
2
0
RANGE
L = LEAD LENGTH TO
HEAT SINK
(SEE FIGURE 5)
50
30
20
10
5
0
20 40 60 80 100 120 140 160 180 200 220
VZ, ZENER VOLTAGE @IZT (VOLTS)
0
20
40
60
80
100
120
TL, LEAD TEMPERATURE
Fig. 1-POWER TEMPERATURE DERATING CURVE
Fig. 2-TEMPERATURE COEFFICIENT-RANGE FOR UNITS
6 TO 220 VOLTS
30
D = 0.5
20
10
7
5
0.2
0.1
3
2
0.05
0.02
NOTE BELOW 0.1 SECOND,
1
0.7
0.5
THERMAL RESPONSE
CURVE IS APPLICABLE TO
ANY LEAD LENGTH (L)
DUTY CYCLE, D = t1 / t2
SINGLE PULSE TJL = JL(t)PPK
0.01
REPETITIVE PULSES TJL =
JL(t,D)PPK
D = 0
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
TIME (SECONDS)
Fig. 3-TYPICAL THERMAL RESPONSE
40
20
10
PW = 1ms*
40
30
PW = 8.3ms*
4
2
1
20
10
2
MCUNTE ON 8.0mm
COPPER PADS TO
EACH TERMINAL
PW = 1000ms*
SINE / SQUARE WAVE PW = 100ms*
0.4
0.2
0
0.1
3
0
0.2
0.4
0.6
0.8
1
4
6
8
10
20
30 40 60 80 100
200
L, LEAD LENGTH TO HEAT SINK (INCH)
NOMINAL VZ(V)
Fig. 4-TYPICAL THERMAL RESISTANCE
Fig. 5-MAXIMUM NON-REPETITIVE SURGE
CURRENT VERSUS NOMINAL ZENER
VOLTAGE (SEE NOTE 3)
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Revision: 6
2006/05/28
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