FIG.1A- Range for Units to 12 Volts
FIG.1B- Range for Units to 12 to 100 Volts
θ
V
Z
, TEMPERATURE COEFFICIENT
+10
+8
( mV/ºC)
+6
+4
+2
0
-2
-4
2
3
4
5
6
7
8
9
10
11 12
V
Z
, ZENER VOLTAGE (VOLTS)
RANGE
V
Z
@I
ZT
θ
V
Z
, TEMPERATURE COEFFICIENT
+12
100
70
50
30
20
( mV/ºC)
10
7
5
3
2
1
10
20
30
50
V
Z
, ZENER VOLTAGE (VOLTS)
70
100
RANGE
V
Z
@I
ZT
Figure 2. Temperature Coefficients (-55ºC to+150ºC temperature change; 90% of the units are in the ranges indicated.)
175
+6
θ
JL,
JUNCTION TO LEAD THERMAL
θ
V
Z
, TEMPERATURE COEFFICIENT
150
RESISTANCE (mV/ºC/W)
125
100
75
50
25
0
0
0.1 0.2
0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
L, LEAD LENGTH TO HEAT SINK (INCHES)
+4
+2
0
V
Z@
I
Z
T
A
=25ºC
20mA
( mV/ºC)
0.01mA
1mA
-2
-4
NOTE: BELOW 3 VOLTS AND ABOVE 8 VOLTS
CHANGES IN ZENER CURRENT DO NOT
EFFECT TEMPERATURE COEFFICIENTS
3
4
5
6
7
8
V
Z
, ZENER VOLTAGE (VOLTS)
Figure 3. Typical Thermal Resistance versus Lead Length
1000
700
500
200
100
70
50
20
10
7
5
2
1
1
2 3
5
7
10
20 30
50 70 100
V
Z,
ZENER CURRENT (mA)
Figure. 7 - Power Temperature Derating Curve
P
D
,MAXIMUM DISSIPATION
(WATTS)
1.25
1.0
0.75
0.5
0.25
I
z
=1mA
Figure 4. Effect of Zener Current
400
300
200
0VBIAS
Z
Z
DYNAMIC IMPEDANCE (OHNS)
T
j
=25ºC
I
z
(ms)=0.1I
z
(do)
f=60h
z
C, CAPACITANCE (
P
F)
100
0VBIAS
5mA
50
20
10
8
4
1
2
5
10
20
50
100
V
Z
, NOMINAL V
Z
(VOLTS)
20mA
50%OF BREAKDOWN BIAS
0
20
40
60
80 100 120 140 160
T
L
, LEAD TEMPERATURE (
O
C)
180 200
1N4736A THRU 1N4764A
Page: 1
FRONTIER [ FRONTIER ELECTRONICS. ]
