Datasheet

1N53 Series
http://onsemi.com
5
0.5
Figure 4. Typical Thermal Response
L, Lead Length = 3/8 Inch
Figure 5. Maximum Non-Repetitive Surge Current
versus Nominal Zener Voltage
(See Note 4)
θ
JL
(t, D), TRANSIENT THERMAL RESISTANCE
JUNCTION‐TO‐LEAD (
°
C/W)
0.01
0.0000001
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
q
JL
(t,D) = D * q
JL
(∞)+(1−D) * q
JL
(t)
[where q
JL
(t) is D = 0 curve]
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 Width
(See Note 4)
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
0.000001 0.00001 0.0001 0.001 0.01 0.1 1 10 100
0.1
1
10
100
D = 0
0.2
0.1
0.05
0.02
0.01