Datasheet

1N5333B Series
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6
Figure 4. Typical Thermal Response
L, Lead Length = 3/8 Inch
Figure 5. Maximum Non-Repetitive Surge Current
versus Nominal Zener Voltage
(See Note 3)
θ
JL
(t, D), TRANSIENT THERMAL RESISTAN
C
JUNCTION-TO-LEAD (
°
C/W)
20
10
5
2
1
0.5
0.2
0.00
1
0.00
5
0.01 0.05 0.1 0.5 1 5 10 20 50 100
D = 0.5
D = 0.2
D = 0.1
D = 0.05
D = 0.01
D = 0
NOTE: BELOW 0.1 SECOND, THERMAL
NOTE: RESPONSE CURVE IS APPLICABLE
NOTE: TO ANY LEAD LENGTH (L).
DUTY CYCLE, D = t
1
/t
2
SINGLE PULSE D T
JL
= q
JL
(t)P
PK
REPETITIVE PULSES D T
JL
= q
JL
(t, D)P
PK
P
PK
t
1
t
2
t, TIME (SECONDS)
I
r
, PEAK SURGE CURRENT (AMPS)
40
20
10
4
2
1
0.1
0.2
0.4
34 6810
20 30 40 60 80 100 200
*SQUARE WAVE
PW=100ms*
PW=1000ms*
PW=1ms*
PW=8.3ms*
NOMINAL V
Z
(V)
30
20
10
0.1
0.2
0.5
1
2
5
1 10 100 1000
1000
100
10
1
0.1
1 234 5678 910
I
Z
, ZENER CURRENT (mA)
PW, PULSE WIDTH (ms)
V
Z
, ZENER VOLTAGE (VOLTS)
Figure 6. Peak Surge Current versus Pulse Wid
th
(See Note 3)
Figure 7. Zener Voltage versus Zener Current
V
Z
= 3.3 thru 10 Volts
V
Z
=200V
V
Z
=3.3V
PLOTTED FROM INFORMATION
GIVEN IN FIGURE 5
T
C
=25°C
T=25°C
I
r
, PEAK SURGE CURRENT (AMPS)
I
Z
, ZENER CURRENT (mA)
V
Z
, ZENER VOLTAGE (VOLTS)
1000
100
10
1
0.1
10 20 30 40 50 60 70 80
T=25°C
Figure 8. Zener Voltage versus Zener Current
V
Z
= 11 thru 75 Volts