RATING AND CHARACTERISTIC CURVES 1N5333B THRU 1N5388B
TEMPERATURE COEFFICIENTS
Figure 2. Power Temperature Derating
Figure 1. Temperature Coefficient-Range
Curve
for Units 3 to 10 Volts
8
L=LEAD LENGTH
TO HEAT SINK
(SEE FIGURE 5)
10
L=1/8”
8
6
6
4
L=3/8”
4
2
0
RANGE
L=1”
2
0
-2
0
30
60
90
120
150
3
4
5
6
7
8
9
10
VZ, ZENER VOLTAGE ＠IZT (VOLTS)
TL, LEAD TEMPERATUE (℃)
Figure 3. Typical Thermal Response
L, Lead Length=3/8 Inch
20
10
5
D=0.5
PPK
t1
D=0.2
D=0.1
D=0.05
t2
2
1
D=0.01
DUTY CYCLE, D=t1/t2
NOTE: BELOW 0.1 SECOND, THERMAL
RESPONSE CURVE IS APPLICABLE
TO ANY LEAD LENGTH (L).
SINGLE PULSE △ TJL=θ JL(t)PPK
0.5
0.2
D=0
REPETITIVE PULSES △ TJL=θ JL(t,D)PPK
0.001
0.005 0.01
0.05 0.1
0.5
1
5
10
20
50 100
t, TIME (SECONDS)
Figure 4. Temperature Coefficient-Range
for Units 10 to 220 Volts
Figure 5. Typical Thermal Resistance
40
30
20
10
0
300
200
100
50
RANGE
L
L
30
20
PRIMARY PATH OF
CONDUCTION THROUGH
THE CATHODE LEAD
10
5
0
0.2
0.4
0.6
0.8
1
0
20 40 60 80 100 120 140 160 180 200 220
LEAD LENGTH TO HEAT SINK (INCHES)
VZ, ZENER VOLTAGE ＠IZT (VOLTS)
1N5333B THRU 1N5388B
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FRONTIER [ Frontier Electronics ]
